Granted Patent
Utility
US 4,059,562 · App. 05/779,650
Liquid stabilizer systems and vinyl halide resin compositions containing same
Inventors:
Samuel Hoch, Mario Q. Ceprini, Emery Szabo
Patented Case
View Patent ↗
Granted: Nov 22, 1977
Filed: Mar 21, 1977
Inventors
Samuel Hoch
Mario Q. Ceprini
Emery Szabo
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.