Granted Patent
Utility
US 6,083,559 · App. 09/158,491
Intercalates and exfoliates formed with hydroxyl-functional; polyhydroxyl-functional; and aromatic compounds; composite materials containing same and methods of modifying rheology therewith
Inventors:
Gary W. Beall, Semeon Tsipursky, Anatoliy Sorokin, Anatoliy Goldman
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Sep 22, 1998
Inventors
Gary W. Beall
Semeon Tsipursky
Anatoliy Sorokin
Anatoliy Goldman
Assignee (at issue)
AMCOL INTERNATIONAL CORPORATION
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.