Granted Patent
Utility
US 5,314,948 · App. 07/719,746
Olefinic impact modifiers for, and blends with, thermoplastic polyester resins
Inventors:
Charles F. Pratt, Shrikant V. Phadke, Errol J. Olivier
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Jun 24, 1991
Inventors
Charles F. Pratt
Shrikant V. Phadke
Errol J. Olivier
Assignees (at issue)
Polysar Rubber Corporation
SRchemical Co., Ltd.
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.