Granted Patent
Utility
US 6,048,958 · App. 09/201,343
Process for the production of diketo dinitriles and polymers derived therefrom
Inventor:
Louis Rebrovic
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Dec 1, 1998
Inventor
Louis Rebrovic
Assignee (at issue)
Henkel Limited
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.