Granted Patent
Utility
US 4,279,833 · App. 06/103,971
Acrylic monomers containing carbamate functionality
Inventors:
Billy M. Culbertson, Larry K. Post
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Dec 17, 1979
Inventors
Billy M. Culbertson
Larry K. Post
Assignee (at issue)
Ashland Chemical, 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.