Granted Patent
Utility
US 5,672,555 · App. 08/608,639
Kaolin-potassium acetate intercalation complex and process of forming same
Inventors:
Chris B. Maxwell, Prakash B. Malla
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Feb 29, 1996
Inventors
Chris B. Maxwell
Prakash B. Malla
Assignee (at issue)
Thiele Kaolin Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.