Granted Patent
Utility
US 4,312,965 · App. 06/123,740
Process for forming amine/amide containing polymers
Inventors:
Felek Jachimowicz, Joseph W. Raksis
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Feb 22, 1980
Inventors
Felek Jachimowicz
Joseph W. Raksis
Assignee (at issue)
W. R. Grace & Co.
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.