Granted Patent
Utility
US 6,573,339 · App. 09/228,297
In situ preparation of bis-(benzothiazolesulfen)amide in a polymeric matrix
Inventors:
Joseph F. Stieber, Robert J. Cornell, John M. Wefer, David Hajdasz, Jeffrey Otis
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Jan 12, 1999
Inventors
Joseph F. Stieber
Robert J. Cornell
John M. Wefer
David Hajdasz
Jeffrey Otis
Assignee (at issue)
Uniroyal Chemical Company, Inc.
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.