Granted Patent
Utility
US 4,122,067 · App. 05/840,360
Process of reacting a polyepoxide compound with a phenol in aqueous medium
Inventor:
Terry L. Anderson
Patented Case
View Patent ↗
Granted: Oct 24, 1978
Filed: Oct 7, 1977
Inventor
Terry L. Anderson
Assignee (at issue)
Celanese Polymer Specialties 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.