Granted Patent
Utility
US 4,568,724 · App. 06/749,979
Molding composition which contains a .gamma.-sultone derivative of an EPDM rubber
Inventor:
Barry D. Dean
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jun 28, 1985
Inventor
Barry D. Dean
Assignee (at issue)
Atlantic Richfield 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.