Granted Patent
Utility
US 5,070,144 · App. 07/622,430
Reactive compatibilization of polyacetal and polypropylene blends
Inventors:
Paul N. Chen, Sr., Alex S. Forschirm, Morton Glick, Michael Jaffe
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: Dec 5, 1990
Inventors
Paul N. Chen, Sr.
Alex S. Forschirm
Morton Glick
Michael Jaffe
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.