Granted Patent
Utility
US 5,332,772 · App. 08/057,724
Combination heat stabilizer/lubricant for PVC processing and method for producing the same
Inventors:
George F. Beekman, Lionel R. Price, Keith A. Mesch
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: May 5, 1993
Inventors
George F. Beekman
Lionel R. Price
Keith A. Mesch
Assignee (at issue)
Morton International, 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.