Granted Patent
Utility
US 4,348,494 · App. 06/158,101
Liquid, solvent-free, non-toxic stabilizers and vinyl chloride resin compositions containing same
Inventors:
Mahmoud Kheidr, Irene A. E. Fraser
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Jun 10, 1980
Inventors
Mahmoud Kheidr
Irene A. E. Fraser
Assignee (at issue)
Tenneco Chemicals, 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.