Granted Patent
Utility
US 4,357,442 · App. 06/328,321
Stable latexes of carboxyl containing polymers
Inventor:
Pravinchandra K. Shah
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Dec 7, 1981
Inventor
Pravinchandra K. Shah
Assignee (at issue)
B. F. Goodrich Company
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.