Granted Patent
Utility
US 4,948,834 · App. 07/328,990
Vinyl chloride-olefin copolymers having good color stability and flexibility for container coatings
Inventors:
John Baker, Rudolf Maska, James R. Bodwell, Suryya K. Das, Jerome A. Seiner, Terence J. Hart
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Mar 27, 1989
Inventors
John Baker
Rudolf Maska
James R. Bodwell
Suryya K. Das
Jerome A. Seiner
Terence J. Hart
Assignee (at issue)
PPG Industries, 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.