Granted Patent
Utility
US 5,286,808 · App. 07/735,486
Elastomeric crosslinked poly(1,3-dioxlane)
Inventors:
George L. Collins, William M. Pleban, Paul Zema
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jul 25, 1991
Inventors
George L. Collins
William M. Pleban
Paul Zema
Assignee (at issue)
Hoechst Celanese 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.