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Class   562ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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This Class 562 is considered to be an integral part of Class 260 (see the Class 260 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 260.
     ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)
 [List of Pre Grant Publications for class 562 subclass 1][List of Patents for class 562 subclass 1]1 Subclass 1 indent level is 1 Persulphonic acids or salts thereof (i.e., compounds having the -S(=O)(=O) O-OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 2][List of Patents for class 562 subclass 2]2 Subclass 2 indent level is 1 Percarboxylic acids or salts thereof (i.e., compounds having the -C(=O)-O OH group, wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
 [List of Pre Grant Publications for class 562 subclass 7][List of Patents for class 562 subclass 7]7 Subclass 7 indent level is 1 Boron acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to boron by nonionic bonding and wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 8][List of Patents for class 562 subclass 8]8 Subclass 8 indent level is 1 Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal)
[List of Pre Grant Publications for class 562 subclass 26][List of Patents for class 562 subclass 26]26 Subclass 26 indent level is 1 Thiocarboxylic acids or salts thereof (i.e., compounds having the group -C(=X)XH, wherein the X's are the same or diverse chalcogens and at least one X is sulfur, and hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
 [List of Pre Grant Publications for class 562 subclass 29][List of Patents for class 562 subclass 29]29 Subclass 29 indent level is 1 Thiosulfonic acids or salts thereof (i.e., compounds containing the thiosulfonate group, -S(=O)(=O)-S-, wherein the divalent sulfur is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 30][List of Patents for class 562 subclass 30]30 Subclass 30 indent level is 1 Sulfonic acids or salts thereof (i.e., compounds containing the sulfonate group, -S(=O)(=O)-O- wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or IIA light metal or to substituted or unsubstituted ammonium)
 [List of Pre Grant Publications for class 562 subclass 31][List of Patents for class 562 subclass 31]31 Subclass 31 indent level is 2 Hydrophenanthrene ring system containing
 [List of Pre Grant Publications for class 562 subclass 32][List of Patents for class 562 subclass 32]32 Subclass 32 indent level is 2 Processes of sulfonating lignites, leonardites, coal, humic acids, bark or pitch, and the reaction products thereof
[List of Pre Grant Publications for class 562 subclass 33][List of Patents for class 562 subclass 33]33 Subclass 33 indent level is 2 Petroleum sulfonic acids
 [List of Pre Grant Publications for class 562 subclass 35][List of Patents for class 562 subclass 35]35 Subclass 35 indent level is 2 Boron or phosphorus attached indirectly to the sulfonate group by nonionic bonding (e.g., phosphonium salts, etc.)
 [List of Pre Grant Publications for class 562 subclass 36][List of Patents for class 562 subclass 36]36 Subclass 36 indent level is 2 Chalcogen or -C(=X)-, wherein X is chalcogen, attached directly to the sulfonate sulfur by nonionic bonding
[List of Pre Grant Publications for class 562 subclass 37][List of Patents for class 562 subclass 37]37 Subclass 37 indent level is 2 Nitrogen attached directly to the sulfonate sulfur by nonionic bonding (e.g., sulfamic acids, etc.)
[List of Pre Grant Publications for class 562 subclass 41][List of Patents for class 562 subclass 41]41 Subclass 41 indent level is 2 Benzene ring attached indirectly to the sulfonate group by acyclic nonionic bonding
[List of Pre Grant Publications for class 562 subclass 45][List of Patents for class 562 subclass 45]45 Subclass 45 indent level is 2 Benzene ring bonded directly to the sulfonate sulfur (e.g., purification and neutralization of benzene sulfonic acids, etc.)
[List of Pre Grant Publications for class 562 subclass 46][List of Patents for class 562 subclass 46]46 Subclass 46 indent level is 3 Having -C(=X)-, wherein X is chalcogen, attached indirectly to the sulfonate group by nonionic bonding (e.g., aldehydes, etc.)
[List of Pre Grant Publications for class 562 subclass 58][List of Patents for class 562 subclass 58]58 Subclass 58 indent level is 3 Nitrogen attached indirectly to the sulfonate group by nonionic bonding
[List of Pre Grant Publications for class 562 subclass 74][List of Patents for class 562 subclass 74]74 Subclass 74 indent level is 3 Nonsulfonate chalcogen attached indirectly to the sulfonate group by nonionic bonding
 [List of Pre Grant Publications for class 562 subclass 83][List of Patents for class 562 subclass 83]83 Subclass 83 indent level is 3 Halogen attached indirectly to the sulfonate group by nonionic bonding
[List of Pre Grant Publications for class 562 subclass 84][List of Patents for class 562 subclass 84]84 Subclass 84 indent level is 3 Addition salts having organic nitrogen containing cation
 [List of Pre Grant Publications for class 562 subclass 87][List of Patents for class 562 subclass 87]87 Subclass 87 indent level is 3 Acyclic carbon to carbon unsaturation containing
 [List of Pre Grant Publications for class 562 subclass 88][List of Patents for class 562 subclass 88]88 Subclass 88 indent level is 3 Plural benzene rings bonded directly to each other, or to the same acyclic carbon or acyclic carbon chain
[List of Pre Grant Publications for class 562 subclass 89][List of Patents for class 562 subclass 89]89 Subclass 89 indent level is 3 Polycyclo ring system consisting of benzene rings bonded directly to the sulfonate group
[List of Pre Grant Publications for class 562 subclass 91][List of Patents for class 562 subclass 91]91 Subclass 91 indent level is 3 Sulfonate group and alkyl group of at least four carbons bonded directly to the same benzene ring
 [List of Pre Grant Publications for class 562 subclass 98][List of Patents for class 562 subclass 98]98 Subclass 98 indent level is 3 Sulfonation utilizing sulfur trioxide or oleum (e.g., sulfonation of benzene or toluene with oleum, etc.)
 [List of Pre Grant Publications for class 562 subclass 99][List of Patents for class 562 subclass 99]99 Subclass 99 indent level is 3 Sulfonation utilizing sulfuric acid (e.g., sulfonation of benzene or toluene with sulfuric acid, etc.)
 [List of Pre Grant Publications for class 562 subclass 100][List of Patents for class 562 subclass 100]100 Subclass 100 indent level is 2 Polycyclo alicyclic ring system attached directly or indirectly to the sulfonate group by nonionic bonding
[List of Pre Grant Publications for class 562 subclass 101][List of Patents for class 562 subclass 101]101 Subclass 101 indent level is 2 Plural sulfonate groups attached indirectly to each other by acyclic nonionic bonding
[List of Pre Grant Publications for class 562 subclass 104][List of Patents for class 562 subclass 104]104 Subclass 104 indent level is 2 Nitrogen attached indirectly to the sulfonate group by acyclic nonionic bonding
[List of Pre Grant Publications for class 562 subclass 108][List of Patents for class 562 subclass 108]108 Subclass 108 indent level is 2 Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding
 [List of Pre Grant Publications for class 562 subclass 113][List of Patents for class 562 subclass 113]113 Subclass 113 indent level is 2 Halogen attached indirectly to the sulfonate group by acyclic nonionic bonding
 [List of Pre Grant Publications for class 562 subclass 114][List of Patents for class 562 subclass 114]114 Subclass 114 indent level is 2 Addition salts having organic nitrogen containing cation
[List of Pre Grant Publications for class 562 subclass 115][List of Patents for class 562 subclass 115]115 Subclass 115 indent level is 2 Processes (e.g., neutralization, stabilization, etc.)
[List of Pre Grant Publications for class 562 subclass 125][List of Patents for class 562 subclass 125]125 Subclass 125 indent level is 1 Sulfinic or sulfenic acids or salts thereof (i.e., compounds containing the sulfinate group, -S(=O)O-, or the sulfenate group, -S-O-, wherein the single bonded oxygen is bonded directly to hydrogen, or to a group IA or group IIA light metal or to substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 400][List of Patents for class 562 subclass 400]400 Subclass 400 indent level is 1 Carboxylic acids and salts thereof
[List of Pre Grant Publications for class 562 subclass 401][List of Patents for class 562 subclass 401]401 Subclass 401 indent level is 2 Racemization or separation of optical isomers
[List of Pre Grant Publications for class 562 subclass 403][List of Patents for class 562 subclass 403]403 Subclass 403 indent level is 2 Hydrophenanthrene nucleus
[List of Pre Grant Publications for class 562 subclass 405][List of Patents for class 562 subclass 405]405 Subclass 405 indent level is 2 Aromatic
 [List of Pre Grant Publications for class 562 subclass 406][List of Patents for class 562 subclass 406]406 Subclass 406 indent level is 3 Preparation by carbonylation
[List of Pre Grant Publications for class 562 subclass 407][List of Patents for class 562 subclass 407]407 Subclass 407 indent level is 3 Formation of carboxyl group by oxidation
[List of Pre Grant Publications for class 562 subclass 423][List of Patents for class 562 subclass 423]423 Subclass 423 indent level is 3 Preparation by carbonation
[List of Pre Grant Publications for class 562 subclass 426][List of Patents for class 562 subclass 426]426 Subclass 426 indent level is 3 Sulfur
[List of Pre Grant Publications for class 562 subclass 433][List of Patents for class 562 subclass 433]433 Subclass 433 indent level is 3 Nitrogen bonded directly to carbon of organic radical (e.g., amino acids, etc.)
[List of Pre Grant Publications for class 562 subclass 459][List of Patents for class 562 subclass 459]459 Subclass 459 indent level is 3 Aldehyde or ketone
[List of Pre Grant Publications for class 562 subclass 465][List of Patents for class 562 subclass 465]465 Subclass 465 indent level is 3 Oxy
 [List of Pre Grant Publications for class 562 subclass 479][List of Patents for class 562 subclass 479]479 Subclass 479 indent level is 3 Decarboxylation of polycarboxylic acid or salt
[List of Pre Grant Publications for class 562 subclass 480][List of Patents for class 562 subclass 480]480 Subclass 480 indent level is 3 Polycarboxylic acids or salts thereof
 [List of Pre Grant Publications for class 562 subclass 490][List of Patents for class 562 subclass 490]490 Subclass 490 indent level is 3 Naphthyl group
 [List of Pre Grant Publications for class 562 subclass 491][List of Patents for class 562 subclass 491]491 Subclass 491 indent level is 3 Plural rings bonded directly to the same carbon
 [List of Pre Grant Publications for class 562 subclass 492][List of Patents for class 562 subclass 492]492 Subclass 492 indent level is 3 Rings bonded directly to each other
[List of Pre Grant Publications for class 562 subclass 493][List of Patents for class 562 subclass 493]493 Subclass 493 indent level is 3 Monocyclic
 [List of Pre Grant Publications for class 562 subclass 497][List of Patents for class 562 subclass 497]497 Subclass 497 indent level is 2 Preparing alicyclic acids by carbonylation
[List of Pre Grant Publications for class 562 subclass 498][List of Patents for class 562 subclass 498]498 Subclass 498 indent level is 2 Plural alicyclic rings
[List of Pre Grant Publications for class 562 subclass 503][List of Patents for class 562 subclass 503]503 Subclass 503 indent level is 2 Cyclopentyl (e.g., prostoglandins, etc.)
 [List of Pre Grant Publications for class 562 subclass 505][List of Patents for class 562 subclass 505]505 Subclass 505 indent level is 2 Cyclobutyl
 [List of Pre Grant Publications for class 562 subclass 506][List of Patents for class 562 subclass 506]506 Subclass 506 indent level is 2 Cyclopropyl
 [List of Pre Grant Publications for class 562 subclass 507][List of Patents for class 562 subclass 507]507 Subclass 507 indent level is 2 Alicyclic acids having an element other than oxygen, carbon, or hydrogen
 [List of Pre Grant Publications for class 562 subclass 508][List of Patents for class 562 subclass 508]508 Subclass 508 indent level is 2 Alicyclic acids having an oxy, aldehyde, or ketone group
 [List of Pre Grant Publications for class 562 subclass 509][List of Patents for class 562 subclass 509]509 Subclass 509 indent level is 2 Alicyclic polycarboxylic acids
 [List of Pre Grant Publications for class 562 subclass 510][List of Patents for class 562 subclass 510]510 Subclass 510 indent level is 2 Alicyclic acids having unsaturation
 [List of Pre Grant Publications for class 562 subclass 511][List of Patents for class 562 subclass 511]511 Subclass 511 indent level is 2 Naphthenic acids or salts thereof
[List of Pre Grant Publications for class 562 subclass 512][List of Patents for class 562 subclass 512]512 Subclass 512 indent level is 2 Acyclic
[List of Pre Grant Publications for class 562 subclass 512.2][List of Patents for class 562 subclass 512.2]512.2 Subclass 512.2 indent level is 3 Preparing by oxidation of hydrocarbon mixtures
[List of Pre Grant Publications for class 562 subclass 513][List of Patents for class 562 subclass 513]513 Subclass 513 indent level is 3 Preparation from source of undetermined composition (e.g., industrial waste, etc.)
 [List of Pre Grant Publications for class 562 subclass 515][List of Patents for class 562 subclass 515]515 Subclass 515 indent level is 3 Preparation by degradation of carbohydrates
 [List of Pre Grant Publications for class 562 subclass 516][List of Patents for class 562 subclass 516]516 Subclass 516 indent level is 3 Preparation by hydrolysis of proteins
[List of Pre Grant Publications for class 562 subclass 517][List of Patents for class 562 subclass 517]517 Subclass 517 indent level is 3 Preparation by carbonylation
[List of Pre Grant Publications for class 562 subclass 523][List of Patents for class 562 subclass 523]523 Subclass 523 indent level is 3 Formation of carboxyl group by oxidation
[List of Pre Grant Publications for class 562 subclass 550][List of Patents for class 562 subclass 550]550 Subclass 550 indent level is 3 Formation of carboxyl group by carbonation
[List of Pre Grant Publications for class 562 subclass 553][List of Patents for class 562 subclass 553]553 Subclass 553 indent level is 3 Nitrogen bonded to carbon of organic radical (e.g., amino acids, etc.)
[List of Pre Grant Publications for class 562 subclass 577][List of Patents for class 562 subclass 577]577 Subclass 577 indent level is 3 Aldehyde or ketone
[List of Pre Grant Publications for class 562 subclass 579][List of Patents for class 562 subclass 579]579 Subclass 579 indent level is 3 Oxy
[List of Pre Grant Publications for class 562 subclass 590][List of Patents for class 562 subclass 590]590 Subclass 590 indent level is 3 Polycarboxylic
[List of Pre Grant Publications for class 562 subclass 598][List of Patents for class 562 subclass 598]598 Subclass 598 indent level is 3 Unsaturated
[List of Pre Grant Publications for class 562 subclass 602][List of Patents for class 562 subclass 602]602 Subclass 602 indent level is 3 Halogen
[List of Pre Grant Publications for class 562 subclass 606][List of Patents for class 562 subclass 606]606 Subclass 606 indent level is 3 Saturated lower fatty acids
 [List of Pre Grant Publications for class 562 subclass 620][List of Patents for class 562 subclass 620]620 Subclass 620 indent level is 1 Nitrolic acids or salts thereof (i.e., compounds having the group -C(=NOH)-N(=O) (=O), wherein the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 621][List of Patents for class 562 subclass 621]621 Subclass 621 indent level is 1 Hydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -C(=X)-N(R)-XH group or the -C(XH)=NXR group, wherein R may be hydrogen or substitution for hydrogen, the X's in each group may be the same or diverse chalcogens, and H of -XH in each group may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
 [List of Pre Grant Publications for class 562 subclass 624][List of Patents for class 562 subclass 624]624 Subclass 624 indent level is 1 Imidic acids, chalcogen analogs or salts thereof (i.e., compounds having the group -N-C(XH)-, wherein X is chalcogen and the hydrogen may be replaced by a group IA or IIA light metal, or by substituted or unsubstituted ammonium)
 [List of Pre Grant Publications for class 562 subclass 625][List of Patents for class 562 subclass 625]625 Subclass 625 indent level is 1 Sulfohydroxamic acids, chalcogen analogs or salts thereof (i.e., compounds having the -S(=O)(=O)-N(R)-XH group, wherein R may be hydrogen or substitution for hydrogen, X is chalcogen, and H of -XH may be replaced by a group IA or IIA light metal,or by substituted or unsubstituted ammonium)
[List of Pre Grant Publications for class 562 subclass 800][List of Patents for class 562 subclass 800]800 Subclass 800 indent level is 1 Hydroxamic acid halides or chalcogen analogs therof (i.e., compounds having the -C(=X)NH-halo group, wherein X is chalcogen and substitution may be made for hydrogen only)
[List of Pre Grant Publications for class 562 subclass 802][List of Patents for class 562 subclass 802]802 Subclass 802 indent level is 1 Imidic acid halides (i.e., compounds having the -N=CH-halo group, wherein substitution may be made for hydrogen only)
[List of Pre Grant Publications for class 562 subclass 806][List of Patents for class 562 subclass 806]806 Subclass 806 indent level is 1 Boron halides (i.e., compounds having halogen attached directly to boron by nonionic bonding
[List of Pre Grant Publications for class 562 subclass 808][List of Patents for class 562 subclass 808]808 Subclass 808 indent level is 1 Phosphorus halides (i.e., compounds having halogen attached directly to phosphorus by nonionic bonding)
[List of Pre Grant Publications for class 562 subclass 821][List of Patents for class 562 subclass 821]821 Subclass 821 indent level is 1 Sulfur halides (i.e., compounds having halogen attached directly to sulfur by nonionic bonding)
 [List of Pre Grant Publications for class 562 subclass 837][List of Patents for class 562 subclass 837]837 Subclass 837 indent level is 1 Compounds having the -(O=)S(=O)-NH-halo group (i.e., N-halo sulfonamides, wherein substitution may be made for hydrogen only)
[List of Pre Grant Publications for class 562 subclass 838][List of Patents for class 562 subclass 838]838 Subclass 838 indent level is 1 Thiocarboxylic halides (i.e., compounds having the -C(=S)-halo group)
[List of Pre Grant Publications for class 562 subclass 840][List of Patents for class 562 subclass 840]840 Subclass 840 indent level is 1 Carboxylic halides (i.e., compounds having the -C(=O)-halo group)
 [List of Pre Grant Publications for class 562 subclass 869][List of Patents for class 562 subclass 869]869 Subclass 869 indent level is 1 Containing -C(=X)-CN, wherein X is chalcogen (e.g., carbonyl cyanides, etc.)
 [List of Pre Grant Publications for class 562 subclass 870][List of Patents for class 562 subclass 870]870 Subclass 870 indent level is 1 Sulfonyl isocyanates or sulfonyl isothiocyanates, (i.e., compounds having the -S(=O)(=O)-N=C=X group, wherein X is oxygen or sulfur)
 [List of Pre Grant Publications for class 562 subclass 871][List of Patents for class 562 subclass 871]871 Subclass 871 indent level is 1 Containing -C(=X)-N=C=X or -C(=X)-X-N=N-X-, wherein the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 872][List of Patents for class 562 subclass 872]872 Subclass 872 indent level is 1 Sulfonic anhydrides (i.e., compounds having the -S(=O)(=O)-O-S(=O)(O=) group
 [List of Pre Grant Publications for class 562 subclass 873][List of Patents for class 562 subclass 873]873 Subclass 873 indent level is 1 Containing -S(=O)(=O)-CN or -S(=O)(=O)-N=S=O
 [List of Pre Grant Publications for class 562 subclass 874][List of Patents for class 562 subclass 874]874 Subclass 874 indent level is 1 Containing -C(=X)-NH-X-C(=X)- or -C(=X)-NH-X-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 875][List of Patents for class 562 subclass 875]875 Subclass 875 indent level is 1 Containing -C(=NH)-X-C(=X)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 876][List of Patents for class 562 subclass 876]876 Subclass 876 indent level is 1 Phosphorus bonded directly to the single bonded X of a -C(=X)-X-group, wherein the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 877][List of Patents for class 562 subclass 877]877 Subclass 877 indent level is 1 Phosphorus bonded directly to cyano or to -N=C=X, wherein X is chalcogen
 [List of Pre Grant Publications for class 562 subclass 878][List of Patents for class 562 subclass 878]878 Subclass 878 indent level is 1 Two phosphori bonded directly to the same divalent chalcogen atom (e.g., pyrophosphorus compounds, etc.)
 [List of Pre Grant Publications for class 562 subclass 879][List of Patents for class 562 subclass 879]879 Subclass 879 indent level is 1 Containing -C(=X)-X-N(=O) or -C(=X)-X-S(=O)(=O)-, wherein the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 880][List of Patents for class 562 subclass 880]880 Subclass 880 indent level is 1 Containing -C(=X)-NH-X-NH-C(=X)- or -C(=X)-X-NH-S(=O)(=O)-, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 881][List of Patents for class 562 subclass 881]881 Subclass 881 indent level is 1 Containing -C(=X)-NH-X-halo, wherein substitution may be made for hydrogen only, and the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 882][List of Patents for class 562 subclass 882]882 Subclass 882 indent level is 1 Boron bonded directly to the single bonded X of a -C(=X)-X- group, wherein the X's may be the same or diverse chalcogens
 [List of Pre Grant Publications for class 562 subclass 883][List of Patents for class 562 subclass 883]883 Subclass 883 indent level is 1 Two borons bonded directly to the same divalent chalcogen atom (e.g., boroxoles, etc.)
 [List of Pre Grant Publications for class 562 subclass 884][List of Patents for class 562 subclass 884]884 Subclass 884 indent level is 1 Boron bonded directly to the single bonded oxygen of a -S(=O)(=O)-O- group
 [List of Pre Grant Publications for class 562 subclass 885][List of Patents for class 562 subclass 885]885 Subclass 885 indent level is 1 Compounds having the -S-SCN group bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon
 [List of Pre Grant Publications for class 562 subclass 886][List of Patents for class 562 subclass 886]886 Subclass 886 indent level is 1 Thiocarboxylic acid anhydrides (i.e., compounds having the -C(=X)-X C(=X)- group, wherein the X's may be the same or diverse chalcogens and at least one X is sulfur)
[List of Pre Grant Publications for class 562 subclass 887][List of Patents for class 562 subclass 887]887 Subclass 887 indent level is 1 Carboxylic acid anhydrides (i.e., compounds having the -C(=O)-O-C(=O)- group)
 [List of Pre Grant Publications for class 562 subclass 899][List of Patents for class 562 subclass 899]899 Subclass 899 indent level is 1 Selenium or tellurium containing
 
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