Granted Patent
Utility
US 5,998,524 · App. 08/960,474
Thermoplastic polypropylene blends with mixtures of ethylene/butene and ethylene/octene copolymer elastomers
Inventors:
Satchit Srinivasan, Edward Szczepaniak, Sunit S. Shah, David K. Edge
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Oct 29, 1997
Inventors
Satchit Srinivasan
Edward Szczepaniak
Sunit S. Shah
David K. Edge
Assignee (at issue)
Solvay Engineered Polymers, Inc.
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.