Granted Patent
Utility
US 5,284,959 · App. 08/037,843
Selected poly(dianhydride) compounds terminated with reactive end groups
Inventors:
Bruce A. Marien, Keith Wilbourn
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Mar 29, 1993
Inventors
Bruce A. Marien
Keith Wilbourn
Assignee (at issue)
Olin 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.