Granted Patent
Utility
US 4,760,101 · App. 06/899,696
Polyurethane-forming binder compositions containing certain carboxylic acids as bench life extenders
Inventors:
Robert B. Fechter, John J. Gardikes
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Aug 25, 1986
Inventors
Robert B. Fechter
John J. Gardikes
Assignee (at issue)
Ashland Oil, 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.