Granted Patent
Utility
US 4,983,708 · App. 07/350,782
Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
Inventors:
Nan-Loh Yang, Andrew Auerbach, Rose. Pesce, Jerry A. Broussard, James L. Paul
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: May 12, 1989
Inventors
Nan-Loh Yang
Andrew Auerbach
Rose. Pesce
Jerry A. Broussard
James L. Paul
Assignee (at issue)
Hoechst Celanese 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.