Granted Patent
Utility
US 6,287,992 · App. 09/062,915
Polymer composite and a method for its preparation
Inventors:
Christine A. Polansky, Jerry E. White, Juan M. Garces, Alexander E. Kuperman, David Z. Ridley
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Apr 20, 1998
Inventors
Christine A. Polansky
Jerry E. White
Juan M. Garces
Alexander E. Kuperman
David Z. Ridley
Assignee (at issue)
THE DOW CHEMICAL 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.