Granted Patent
Utility
US 4,686,266 · App. 06/858,316
Bis(allyl carbonate) monomer and method for polymerizing same
Inventor:
Robert H. Tang
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: May 1, 1986
Inventor
Robert H. Tang
Assignee (at issue)
PPG Industries, 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.