Granted Patent
Utility
US 5,342,867 · App. 08/129,703
Adhesion promoters
Inventors:
Glen R. Ryan, Steven A. Allen, David Andrew Taylor
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Sep 30, 1993
Inventors
Glen R. Ryan
Steven A. Allen
David Andrew Taylor
Assignee (at issue)
Ciba-Geigy
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.