Granted Patent
Utility
US 4,239,869 · App. 06/029,946
Phenolic resins with improved low temperature processing stability
Inventor:
Myron C. Annis
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Apr 13, 1979
Inventor
Myron C. Annis
Assignee (at issue)
Hooker Chemicals & Plastics 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.