Granted Patent
Utility
US 5,733,945 · App. 08/566,480
Process for manufacturing polyurethane using a metal acetyl acetonate/acetyl acetone catalyst system and the product made therefrom
Inventor:
Scott S. Simpson
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Dec 4, 1995
Inventor
Scott S. Simpson
Assignee (at issue)
ROGERS 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.