Granted Patent
Utility
US 4,420,596 · App. 06/423,913
Process for polymerizing unsaturated acids in mineral spirits
Inventors:
Robert Y. Lochhead, John C. Garcia
Patented Case
View Patent ↗
Granted: Dec 13, 1983
Filed: Sep 27, 1982
Inventors
Robert Y. Lochhead
John C. Garcia
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.