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Class Information
Number: 501/127
Name: Compositions: ceramic > Ceramic compositions > Refractory > Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing > Aluminum compound (e.g., clay, aluminium oxide, etc.)
Description: Subject matter
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5001091 |
Readily moldable or castable ceramic powders |
Mar. 19, 1991 |
| 4999324 |
Method of manufacturing ceramic artifacts |
Mar. 12, 1991 |
| 4996177 |
Sintered alumina article with high flexural strength and process for producing same |
Feb. 26, 1991 |
| 4996176 |
Reservoir feed method of making ceramic composite structures and structures made thereby |
Feb. 26, 1991 |
| 4985382 |
Improved ceramic composite structure comprising dross |
Jan. 15, 1991 |
| 4985380 |
Method of making thin refractory flakes |
Jan. 15, 1991 |
| 4981511 |
Compound or composite powder with metallic or ceramic whiskers |
Jan. 1, 1991 |
| 4977116 |
Method for making lightweight proppant for oil and gas wells |
Dec. 11, 1990 |
| 4970181 |
Process for producing ceramic shapes |
Nov. 13, 1990 |
| 4960738 |
Mullite-alumina composite sintered body and process for producing the same |
Oct. 2, 1990 |
| 4960736 |
Surface bonding of ceramic bodies |
Oct. 2, 1990 |
| 4960583 |
.gamma.-Fe.sub.2 O.sub.3 /Fe.sub.3 O.sub.4 spinels |
Oct. 2, 1990 |
| RE33366 |
Rigid, water-resistant phosphate ceramic materials and process for preparing them |
Oct. 2, 1990 |
| 4960737 |
Calcium dialuminate/hexaluminate ceramic structures |
Oct. 2, 1990 |
| 4957886 |
Aluminum oxide/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process |
Sep. 18, 1990 |
| 4956137 |
Porous ceramic composite with dense surface |
Sep. 11, 1990 |
| 4956338 |
Methods for forming complex oxidation reaction products including superconducting articles |
Sep. 11, 1990 |
| 4956319 |
Compliant layer |
Sep. 11, 1990 |
| 4954462 |
Microcrystalline alumina-based ceramic articles |
Sep. 4, 1990 |
| 4952389 |
Alumina particles |
Aug. 28, 1990 |
| 4952537 |
Ceramic products and process for producing the same |
Aug. 28, 1990 |
| 4952539 |
Method for the manufacture of transparent aluminum oxide ceramic |
Aug. 28, 1990 |
| 4950628 |
Material and process to produce low thermal expansion cordierite structures |
Aug. 21, 1990 |
| 4948766 |
Rigid mullite=whisker felt and method of preparation |
Aug. 14, 1990 |
| 4948765 |
Refractory coating for making refractory shells |
Aug. 14, 1990 |
| 4948764 |
Production of ceramic and ceramic-metal composite articles with surface coatings |
Aug. 14, 1990 |
| 4946666 |
Process for the production of fine tabular alumina monohydrate |
Aug. 7, 1990 |
| 4943543 |
Sintered ceramic materials |
Jul. 24, 1990 |
| 4937214 |
Process for production of crystal grain-oriented ceramics |
Jun. 26, 1990 |
| 4923832 |
Method of making shaped ceramic composites with the use of a barrier |
May. 8, 1990 |
| 4921821 |
Lightweight oil and gas well proppants and methods for making and using same |
May. 1, 1990 |
| 4921818 |
Method of making ceramic composites |
May. 1, 1990 |
| 4921819 |
Hafnia modified alumina fibers |
May. 1, 1990 |
| 4921820 |
Lightweight proppant for oil and gas wells and methods for making and using same |
May. 1, 1990 |
| 4920084 |
Forming refractory masses and composition of matter for use in forming such refractory masses |
Apr. 24, 1990 |
| 4918034 |
Reservoir feed method of making ceramic composite structures and structures made thereby |
Apr. 17, 1990 |
| 4916113 |
Methods of making composite ceramic articles |
Apr. 10, 1990 |
| 4910172 |
Preparation of mullite whiskers from AlF.sub.3, SiO.sub.2, and Al.sub.2 O.sub.3 powders |
Mar. 20, 1990 |
| 4904411 |
Highly loaded, pourable suspensions of particulate materials |
Feb. 27, 1990 |
| 4904625 |
Refractory composites of alumina and boron nitride |
Feb. 27, 1990 |
| 4902656 |
Method for manufacture of oxide ceramic bodies with a high surface area-to-mass ratio and high strength |
Feb. 20, 1990 |
| 4902654 |
Mixed lanthanide-magnesium aluminates and lasers using monocrystals of these aluminates |
Feb. 20, 1990 |
| 4900698 |
Ceramic product and process |
Feb. 13, 1990 |
| 4900699 |
Reservoir feed method of making ceramic composite structures and structures made thereby |
Feb. 13, 1990 |
| 4897232 |
Preparation of fibres from a liquid precursor |
Jan. 30, 1990 |
| 4895815 |
Sintered form body |
Jan. 23, 1990 |
| 4894285 |
Sintered spherical pellets containing clay as a major component useful for gas and oil well proppants |
Jan. 16, 1990 |
| 4892850 |
Tough corundum-rutile composite sintered body |
Jan. 9, 1990 |
| 4891345 |
Method for producing composite ceramic structures using dross |
Jan. 2, 1990 |
| 4891341 |
Fine-grained ceramics and method for making the same |
Jan. 2, 1990 |
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