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[Search a list of Patent Appplications for class 548]  Class   548ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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This Class 548 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)
                Subclass indent level is 1 HETEROCYCLIC CARBON COMPOUNDS CONTAINING A HETERO RING HAVING CHALCOGEN (I.E., OXYGEN, SULFUR, SELENIUM, OR TELLURIUM) OR NITROGEN AS THE ONLY RING HETERO ATOMS (Class 540, subclass 1)
   [List of Patents for class 548 subclass 100]  100           Subclass 100 indent level is 2 Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.)
   [List of Patents for class 548 subclass 101]  101           Subclass 101 indent level is 3 Heavy metal or aluminum containing
    [List of Patents for class 548 subclass 110]  110           Subclass 110 indent level is 3 Boron or silicon containing
    [List of Patents for class 548 subclass 111]  111           Subclass 111 indent level is 3 Phosphorus attached directly to the five-membered hetero ring by nonionic bonding
   [List of Patents for class 548 subclass 112]  112           Subclass 112 indent level is 3 Phosphorus attached indirectly to the five-membered hetero ring by nonionic bonding
   [List of Patents for class 548 subclass 120]  120           Subclass 120 indent level is 3 The five-membered hetero ring contains ring selenium and is one of the cyclos in a polycyclo ring system
    [List of Patents for class 548 subclass 122]  122           Subclass 122 indent level is 3 The five-membered hetero ring consists of sulfur, oxygen, nitrogen, and carbon
    [List of Patents for class 548 subclass 123]  123           Subclass 123 indent level is 3 Plural ring sulfurs in the five-membered hetero ring
    [List of Patents for class 548 subclass 124]  124           Subclass 124 indent level is 3 Plural ring oxygens in the five-membered hetero ring
   [List of Patents for class 548 subclass 125]  125           Subclass 125 indent level is 3 The five-membered hetero ring consists of chalcogen, plural nitrogens, and carbon
    [List of Patents for class 548 subclass 126]  126           Subclass 126 indent level is 4 Polycyclo ring system having the five-membered hetero ring as one of the cyclos
    [List of Patents for class 548 subclass 127]  127           Subclass 127 indent level is 4 1,2,3-thiadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 128]  128           Subclass 128 indent level is 4 1,2,4-thiadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 131]  131           Subclass 131 indent level is 4 1,2,4-oxadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 134]  134           Subclass 134 indent level is 4 1,2,5-thiadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 136]  136           Subclass 136 indent level is 4 1,3,4-thiadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 143]  143           Subclass 143 indent level is 4 1,3,4-oxadiazoles (including hydrogenated)
   [List of Patents for class 548 subclass 146]  146           Subclass 146 indent level is 3 1,3-thiazoles (including hydrogenated)
    [List of Patents for class 548 subclass 147]  147           Subclass 147 indent level is 4 Spiro
   [List of Patents for class 548 subclass 148]  148           Subclass 148 indent level is 4 Polycyclo ring system having the thiazole ring as one of the cyclos
    [List of Patents for class 548 subclass 149]  149           Subclass 149 indent level is 5 Tetracyclo ring system having the thiazole ring as one of the cyclos
   [List of Patents for class 548 subclass 150]  150           Subclass 150 indent level is 5 Tricyclo ring system having the thiazole ring as one of the cyclos
   [List of Patents for class 548 subclass 152]  152           Subclass 152 indent level is 5 Bicyclo ring system having the thiazole ring as one of the cyclos
   [List of Patents for class 548 subclass 153]  153           Subclass 153 indent level is 6 At least three ring hetero atoms in the bicyclo ring system
   [List of Patents for class 548 subclass 156]  156           Subclass 156 indent level is 6 Plural benzothiazoles (including hydrogenated)
    [List of Patents for class 548 subclass 159]  159           Subclass 159 indent level is 6 Additional polycyclo heterocyclic ring system containing
    [List of Patents for class 548 subclass 160]  160           Subclass 160 indent level is 6 Polycyclo-carbocyclic ring system having at least three cyclos
   [List of Patents for class 548 subclass 161]  161           Subclass 161 indent level is 6 Nitrogen attached directly to the thiazole ring by nonionic bonding
   [List of Patents for class 548 subclass 165]  165           Subclass 165 indent level is 6 Chalcogen bonded directly to ring carbon of the thiazole ring
    [List of Patents for class 548 subclass 178]  178           Subclass 178 indent level is 6 Chalcogen or nitrogen attached directly to the other cyclo of the bicyclo ring system by nonionic bonding
   [List of Patents for class 548 subclass 179]  179           Subclass 179 indent level is 6 Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding
    [List of Patents for class 548 subclass 181]  181           Subclass 181 indent level is 4 Polycyclo heterocyclic ring system containing ring nitrogen
   [List of Patents for class 548 subclass 182]  182           Subclass 182 indent level is 4 Chalcogen bonded directly to ring carbon of the thiazole ring
   [List of Patents for class 548 subclass 190]  190           Subclass 190 indent level is 4 Nitrogen attached directly to the thiazole ring by nonionic bonding