Granted Patent
Utility
US 5,475,045 · App. 08/257,631
Method and composition for reducing extractable heavy metals from vinyl halide resin compositions
Inventors:
Paulette Baker, Richard F. Grossman
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Jun 9, 1994
Inventors
Paulette Baker
Richard F. Grossman
Assignee (at issue)
Synthetic Products Company
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.