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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 4297140 |
Ceramic foam cement |
Oct. 27, 1981 |
| 4297336 |
Preparation of solutions of basic aluminium nitrate |
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 |
| 4273586 |
Tinted glassware |
Jun. 16, 1981 |
| 4273587 |
Polycrystalline transparent spinel sintered body and a method for producing the same |
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 |
| 4265669 |
Shrink-free ceramic and method and raw batch for the manufacture thereof |
May. 5, 1981 |
| 4265844 |
Method of manufacturing a voltage-nonlinear resistor |
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 |
| 4230497 |
Dense sintered shaped articles of polycrystalline .alpha.-silicon carbide and process for their manufacture |
Oct. 28, 1980 |
| 4230500 |
Inorganic pigments and method for preparing same |
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 |
| 4222760 |
Preparation of oxynitride glass-ceramics |
Sep. 16, 1980 |
| 4222978 |
Method for producing polycrystalline translucent alumina having an excellent in-line transmission |
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 |
| 4221594 |
Material composition for fired ceramic articles having a high degree of porosity and crushability characteristics |
Sep. 9, 1980 |
| 4218255 |
Porous ceramic carriers for controlled release of proteins, polypeptide hormones, and other substances within human and/or other mamillian species and method |
Aug. 19, 1980 |
| 4217337 |
Process for manufacturing an alumina substrate by acid purifying a prefired substrate before final firing |
Aug. 12, 1980 |
| 4216021 |
High strength silicon nitride sintered material |
Aug. 5, 1980 |
| 4214666 |
Tubular discharge envelope composed of a polycrystalline transparent alumina and a high-pressure vapor discharge lamp using the same |
Jul. 29, 1980 |
| 4212680 |
Thixotropic refractory binder based upon aluminum phosphate gelled silica sols |
Jul. 15, 1980 |
| 4211570 |
Method of manufacturing beta alkaline alumina parts |
Jul. 8, 1980 |
| 4204874 |
Light-transmitting, polycrystalline alumina body and method for producing the same |
May. 27, 1980 |
| 4203733 |
Aluminum nitride sintered body coated with alumina |
May. 20, 1980 |
| 4199704 |
Alumina, calcia, baria, strontia sealing composition and article of manufacture |
Apr. 22, 1980 |
| 4191720 |
Method for making porous, crushable core having an integral outer barrier layer |
Mar. 4, 1980 |
| 4191721 |
Making ceramic articles having a high degree of porosity and crushability characteristics |
Mar. 4, 1980 |
| 4187266 |
Process for making a ceramic article having a dense integral outer barrier layer and a high degree of porosity and crushability characteristics |
Feb. 5, 1980 |
| 4184885 |
Alumina core having a high degree of porosity and crushability characteristics |
Jan. 22, 1980 |
| 4181532 |
Production of colloidal dispersions |
Jan. 1, 1980 |
| 4177235 |
Method of manufacturing electrically fused corundum |
Dec. 4, 1979 |
| 4169875 |
Method of producing a tubular body of polycrystalline alumina |
Oct. 2, 1979 |
| 4166831 |
Transparent yttria ceramics and method for producing same |
Sep. 4, 1979 |
| 4164424 |
Alumina core having a high degree of porosity and crushability characteristics |
Aug. 14, 1979 |
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