Granted Patent
Utility
US 5,459,201 · App. 08/212,754
Impact strength, stress-whitening and bruise-resistance for impact modified polypropylene
Inventors:
Ramesh N. Shroff, Chun D. Lee
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Mar 11, 1994
Inventors
Ramesh N. Shroff
Chun D. Lee
Assignee (at issue)
Quantum Chemical 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.