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Class Information
Number: 501/153
Name: Compositions: ceramic > Ceramic compositions > Aluminum compound containing
Description: Subject matter comprising aluminum or a compound of aluminum.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Patent Number Title Of Patent Date Issued
4346147 Method of manufacturing nitrided silicon parts Aug. 24, 1982
4343909 High toughness ceramic cutting tool Aug. 10, 1982
4333989 Sapphire single crystal substrate consisting essentially of Ga.sub.2 O.sub. 3 Jun. 8, 1982
4332913 Flux combination of barium oxide and potassium feldspar for high-strength alumina porcelain electric insulators Jun. 1, 1982
4331627 Alumina sintered products and process for their production May. 25, 1982
4325710 Sintered ceramics for cutting tools and manufacturing process thereof Apr. 20, 1982
4323484 Glaze resistor composition Apr. 6, 1982
4322249 Process for the preparation of dispersion ceramics Mar. 30, 1982
4320203 Ceramic alloy Mar. 16, 1982
4318995 Method of preparing lightly doped ceramic materials Mar. 9, 1982
4316936 Sealing of ceramic and cermet parts, sealing material therefor and ceramic seal obtained Feb. 23, 1982
4316965 Low-expansion ceramics and method of producing the same Feb. 23, 1982
4313900 Method of forming a ceramic article with a glassy surface Feb. 2, 1982
4310499 Process for producing SIALON sintered product Jan. 12, 1982
4310357 Low temperature sealing glass Jan. 12, 1982
4306909 Low-expansion ceramics and method of producing the same Dec. 22, 1981
4302362 Stable pyrochlore resistor compositions Nov. 24, 1981
4300953 Dense cordierite containing manganese Nov. 17, 1981
4298385 High-strength ceramic bodies Nov. 3, 1981
4297336 Preparation of solutions of basic aluminium nitrate Oct. 27, 1981
4297140 Ceramic foam cement Oct. 27, 1981
4295892 Cordierite ceramic honeycomb and a method for producing the same Oct. 20, 1981
4292049 Ceramic materials for high-speed cutting Sep. 29, 1981
4286905 Method of machining steel, malleable or nodular cast iron Sep. 1, 1981
4285732 Alumina ceramic Aug. 25, 1981
4279654 Process for production of crystallized glass and process for producing composite article using said crystallized glass Jul. 21, 1981
4273587 Polycrystalline transparent spinel sintered body and a method for producing the same Jun. 16, 1981
4273586 Tinted glassware Jun. 16, 1981
4270954 Inorganic fibers Jun. 2, 1981
4268311 High strength cordierite ceramic May. 19, 1981
4266978 Synthesis of mixed oxide composition May. 12, 1981
4265844 Method of manufacturing a voltage-nonlinear resistor May. 5, 1981
4265669 Shrink-free ceramic and method and raw batch for the manufacture thereof May. 5, 1981
4257810 Cordierite, silica, alumina porous ceramic body Mar. 24, 1981
4255316 Ceramifiable silicone adhesives Mar. 10, 1981
4253992 Ceramic honeycomb composite structure, catalyst supported thereby and method of producing the same Mar. 3, 1981
4251841 Magnetic head slider assembly Feb. 17, 1981
4251279 Method of producing alumina-containing fiber and composition therefor Feb. 17, 1981
4249914 Cutting tool material and method for producing cutting tool material Feb. 10, 1981
4244743 Sulfur containing refractory for resisting reactive molten metals Jan. 13, 1981
4234343 Structural silicon nitride materials containing rare earth oxides Nov. 18, 1980
4232091 Composite materials and their production Nov. 4, 1980
4230494 Article highly resistant to corrosion by gallium phosphide and gallium arsenide Oct. 28, 1980
4230500 Inorganic pigments and method for preparing same Oct. 28, 1980
4230497 Dense sintered shaped articles of polycrystalline .alpha.-silicon carbide and process for their manufacture Oct. 28, 1980
4226629 Electrofusion method of producing boron aluminum oxide refractory Oct. 7, 1980
4225354 Crystalline additive for magnesium alumina silicate Sep. 30, 1980
4222978 Method for producing polycrystalline translucent alumina having an excellent in-line transmission Sep. 16, 1980
4222760 Preparation of oxynitride glass-ceramics Sep. 16, 1980
4221748 Method for making porous, crushable core having a porous integral outer barrier layer having a density gradient therein Sep. 9, 1980

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