Granted Patent
Utility
US 4,642,200 · App. 06/740,513
Stain-resistant antimony organic sulfur-containing compounds and vinyl halide resins containing same
Inventors:
Ronald Hale, Thomas R. Woodley, Paul K. Tornstrom
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Jun 3, 1985
Inventors
Ronald Hale
Thomas R. Woodley
Paul K. Tornstrom
Assignee (at issue)
Plastic Specialties and Technologies 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.