Granted Patent
Utility
US 6,313,229 · App. 09/366,934
Blocky chlorinated polyolefins, process for making and use as impact modifier compatibilizer for PVC or CPVC
Inventors:
Bernard F. Cinadr, Carole A. Lepilleur, Arthur L. Backman
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Aug 4, 1999
Inventors
Bernard F. Cinadr
Carole A. Lepilleur
Arthur L. Backman
Assignee (at issue)
PMD Holdings Corp.
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.