Process for producing colloidal-size particles of alumina monohydrate
First Claim
Patent Images
1. A PROCESS FOR PRODUCING COLLOIDAL-SIZE PARTICLES OF ALPHA-ALUMINA MONOHYDRATE OF A BOEHMITE STRUCTURE, SAID PARTCLES BEING FURTHER CHARACTERIZED BY HAVING ONLY TRACE AMOUNTS OF INORGANIC IMPURITIES, WHICH PROCESS COMPRISES HYDROLYZING AN ALUMINUM ALCOHOLATE, CONTACTING THE RESULTING ALUMINA WITH AT LEAST ABOUT 0.6 WEIGHT PERCENT ACETIC ACID BASEN OF ALUMINA FOR AT LEAST ABOUT 1 MINUTE SO AS TO FORM THE DESIRED COLLOIDAL PARTICLE SIZE, AND RECOVERING THE THUS-FORMED PARTICLES.
0 Assignments
0 Petitions
Accused Products
48 Citations
1 Claim
-
1. A PROCESS FOR PRODUCING COLLOIDAL-SIZE PARTICLES OF ALPHA-ALUMINA MONOHYDRATE OF A BOEHMITE STRUCTURE, SAID PARTCLES BEING FURTHER CHARACTERIZED BY HAVING ONLY TRACE AMOUNTS OF INORGANIC IMPURITIES, WHICH PROCESS COMPRISES HYDROLYZING AN ALUMINUM ALCOHOLATE, CONTACTING THE RESULTING ALUMINA WITH AT LEAST ABOUT 0.6 WEIGHT PERCENT ACETIC ACID BASEN OF ALUMINA FOR AT LEAST ABOUT 1 MINUTE SO AS TO FORM THE DESIRED COLLOIDAL PARTICLE SIZE, AND RECOVERING THE THUS-FORMED PARTICLES.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeNapier, Donald R.
-
Original AssigneeNapier, Donald R.
-
InventorsNapier, Donald R.
-
Application NumberUS04/385,550Time in Patent Office1,240 DaysField of SearchUS Class Current423/630CPC Class CodesC01F 7/36 from organic aluminium saltsC01P 2002/72 by d-values or two theta-va...C01P 2004/10 extending in one dimension,...
