Granted Patent
Utility
US 5,698,624 · App. 08/488,263
Exfoliated layered materials and nanocomposites comprising matrix polymers and said exfoliated layered materials formed with water-insoluble oligomers and polymers
Inventors:
Gary W. Beall, Semeon Tsipursky, Anatoliy Sorokin, Anatoliy Goldman
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 7, 1995
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.