Granted Patent
Utility
US 5,554,699 · App. 08/268,143
Method of curing rubbers without forming nitrosamines
Inventors:
Robert W. Layer, Dwight W. Chasar
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jun 28, 1994
Inventors
Robert W. Layer
Dwight W. Chasar
Assignee (at issue)
B. F. Goodrich 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.