Class 501: COMPOSITIONS: CERAMIC ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
501
COMPOSITIONS: CERAMIC

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Subclass		Title
ClassTitle		===> COMPOSITIONS: CERAMIC

1		CERAMIC COMPOSITIONS
2		. Devitrified glass-ceramics
3		. . Halogen containing crystalline phase (e.g., fluormica, etc.)
4		. . Silica containing crystalline phase (e.g., stuffed quartz, crystobalite, etc.)
5		. . Binary, ternary, quaternary, etc., metal silicate crystalline phase (e.g., mullite, diopside, sphene, plagioclase, slagcerams free of alumina, etc.)
6		. . . Alkali metal aluminosilicate crystalline phase
7		. . . . Lithium aluminosilicate (e.g., spodumeme, eucryptite, petalite, etc.)
8		. . . Divalent metal oxide aluminosilicate crystalline phase (e.g., anorthite, slagcerams, etc.)
9		. . . . Magnesium aluminosilicate (e.g., cordierite, etc.)
10		. . Nonsilica and nonsilicate crystalline phase (e.g., spinel, barium titanate, etc.)
11		. Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions
12		. . Made by gel route
13		. . Radiation color change responsive
14		. . Enamels, glazes, or fusion seals (e.g., raw, fritted, or calcined ingredients)
15		. . . Fusion seals (frit plus material other than glass)
16		. . . Plural diverse frits
17		. . . Frit plus material other than glass (e.g., color, opacifier, mill additions, etc.)
18		. . . . Titanium or zirconium compound as other material
19		. . . . Free metal as other material
20		. . . . With vehicle or suspending agent (i.e., slip)
21		. . . Chemically specified frit compositions
22		. . . . Lead containing
23		. . . . . And titanium or zirconium
24		. . . . Phosphorous containing
25		. . . . Halogen containing
26		. . . . Zinc containing
27		. . Glass batch forming compositions (i.e., glass batch compositions)
28		. . . Slag containing
29		. . . Pellet or agglomerate containing
30		. . . Halogen containing
31		. . . Uncombined silica containing (e.g., sand)
32		. . Glass and material other than glass (e.g., crystal glass, opal glass, etc.)
33		. . Beads
34		. . . Reflective
35		. . Fibers
36		. . . Mineral fibers (e.g., slag wool, rock wool, mineral wool, etc.)
37		. . . Optical fibers
38		. . . Titanium or zirconium containing
39		. . Pore-forming
40		. . Nonoxide glasses (e.g., fluoride glasses, etc.)
41		. . Nonsilicate oxide glasses
42		. . . Germanium containing
43		. . . Halogen containing
44		. . . . Fluorine and phosphorus containing
45		. . . Phosphorus containing
46		. . . . And titanium, zirconium, vanadium, tungsten, or molybdenum
47		. . . . And boron
48		. . . . And aluminum or beryllium
49		. . . Boron containing
50		. . . . And yttrium or rare earth (i.e., elements with atomic numbers 39, 57-71, or 89+)
51		. . . . . And zirconium, titanium, tantalum, or niobium
52		. . . . And aluminum or beryllium
53		. . Silica containing
54		. . . More than 90 percent by weight silica
55		. . . 40 percent - 90 percent by weight silica
56		. . . . And halogen or nitrogen
57		. . . . . Fluorine
58		. . . . . . And boron
59		. . . . . . . And aluminum
60		. . . . And lead
61		. . . . . And boron
62		. . . . . And aluminum
63		. . . . And phosphorus, niobium, or tantalum
64		. . . . And yttrium or rare earth (i.e., elements with atomic numbers 39 or 57-71)
65		. . . . And boron
66		. . . . . And aluminum
67		. . . . . . And zinc or zirconium
68		. . . . And aluminum or iron compound
69		. . . . . And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)
70		. . . . . . Calcium oxide containing
71		. . . . . . . And chromium, nickel, or cobalt
72		. . . . And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.)
73		. . . Less than 40 percent by weight silica
74		. . . . And lead
75		. . . . . And boron
76		. . . . . . And zinc
77		. . . . And boron
78		. . . . . And rare earth (i.e., elements with atomic number 39 or 57-71)
79		. . . . . And zinc
80		. Pore-forming
81		. . By use of organic combustible material
82		. . . Of resin or vegetable origin material
83		. . . . Of cellulosic material
84		. . By gas blowing, foaming agent, or in situ reactive gas generation
85		. . By volatilizing or heat expansion of water or other noncombustible material
86		. Synthetic precious stones (e.g., single crystals, etc.)
87		. Carbide or oxycarbide containing
88		. . Silicon carbide
89		. . . And aluminum compound
90		. . . And carbonaceous material
91		. . . And different carbide
92		. . . And boride, silicide, nitride, or oxynitride
93		. . Plural carbides (i.e., carbides of plural metals) containing
94		. Refractory
95.1		. . Fiber or fiber containing
95.2		. . . Composites (continuous matrix with dispersed fiber phase)
95.3		. . . . Whisker containing
96.1		. . Boride, silicide, nitride, oxynitride, carbonitride, or oxycarbonitride containing
96.2		. . . From organometallic precursor
96.3		. . . Boride or silicide containing
96.4		. . . Boron nitride containing
96.5		. . . Silicon oxynitride, silicon carbonitride, or silicon oxycarbonitride containing (i.e., SiAOBNC, SiACBNC, or SiAOBCcND)
97.1		. . . Silicon nitride containing (Si3N4)
97.2		. . . . With trivalent metal compound (e.g., yttrium, rare earth, or aluminum compound, etc.)
97.3		. . . . . With alkaline earth metal compound
97.4		. . . . Composites (continuous matrix with dispersed phase)
98.1		. . . Silicon aluminum oxynitride containing (i.e., SiAION compounds)
98.2		. . . . With rare earth or alkaline earth metal compound
98.3		. . . . Composites (continuous matrix with dispersed phase)
98.4		. . . Aluminum nitride containing (AIN)
98.5		. . . . With alkaline earth metal compound
98.6		. . . . Composites (continuous matrix with dispersed phase)
99		. . Elemental carbon containing
100		. . . And aluminum compound (e.g., clay, aluminum oxide, etc.)
101		. . . And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.)
102		. . Zirconium compound containing
103		. . . Zirconium oxide
104		. . . . And alkaline earth metal or magnesium compound
105		. . . . And aluminum compound (e.g., clay, aluminum oxide, etc.)
106		. . . Zirconium silicate
107		. . . . And aluminum compound (e.g., clay, aluminum oxide, etc.)
108		. . Magnesium compound containing
109		. . . With organic material in starting mixture
110		. . . . And iron or chromium compound
111		. . . And phosphorus compound
112		. . . And iron compound
113		. . . . Dolomite containing
114		. . . . And chromium compound
115		. . . . . Fused cast or fused material containing
116		. . . . . Chemical binder containing
117		. . . And chromium compound
118		. . . And aluminum compound
119		. . . . Aluminum compound other than clay
120		. . . . . Spinel or other aluminate
121		. . . Less than 90 percent by weight magnesium compound
122		. . . And silicon compound
123		. . Alkaline earth metal compound containing
124		. . . Hydraulic cement containing
125		. . . And aluminum compound
126		. . Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing
127		. . . Aluminum compound (e.g., clay, aluminium oxide, etc.)
128		. . . . And silicon compound other than clay
129		. . . . . And silica-clay mixtures
130		. . . . . And clay containing
131		. . . . . . Less than 40 percent by weight clay
132		. . . Chromium compound containing
133		. . Silica containing
134		. Titanate, zirconate, stannate, niobate, or tantalate or oxide of titanium, zirconium, tin, niobium, or tantalum containing (e.g., dielectrics, etc.)
135		. . Alkaline earth or magnesium containing
136		. . . Titanate containing
137		. . . . Barium titanate
138		. . . . . And divalent metal oxide other than alkaline earth oxide or magnesium oxide
139		. . . . . And trivalent metal oxide
140		. Elemental sulfur containing
141		. Clay containing (e.g., porcelain, earthenware, etc.)
142		. . And phosphorus (e.g., bone china, etc.)
143		. . And flint or feldspar
144		. . . Kaolin (e.g., ball clay, fire clay, etc.) containing
145		. . Clay pretreatment
146		. . . Chemical pretreatment
147		. . . . Using alkaline compound treating agent
148		. . . . Using organic substance as treating agent
149		. . . Water pretreatment
150		. . . Heat pretreatment
151		. Fluorine containing
152		. Yttrium, lanthanide, actinide, or transactinide containing (i.e., atomic numbers 39 or 57-71 or 89+)
153		. Aluminum compound containing
154		. Silicon compound containing
155		. Composed of waste material
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		CROSS-REFERENCE ART COLLECTIONS PERTAINING TO OPTICAL GLASSES IN SUBCLASSES 13, 40, 41+, AND 53+
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900		OPTICAL GLASS (E.G., SILENT ON REFRACTIVE INDEX AND/OR ABBE NUMBER)
901		. Having R.I. at least 1.8
902		. Having Abbe number at least 70
903		. Having refractive index less than 1.8 and Abbe number less than 70
904		. Infrared transmitting or absorbing
905		. Ultraviolet transmitting or absorbing
906		. Thorium oxide containing

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Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 501 COMPOSITIONS: CERAMIC

Manual of U.S. Patent Classification
as of June 30, 2000

Class
501
COMPOSITIONS: CERAMIC