Granted Patent
Utility
US 4,244,876 · App. 05/961,714
Acetal-acid compositions
Inventors:
Glenn H. Warner, Louis F. Theiling, Jr., Marvin G. Freid
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Nov 17, 1978
Inventors
Glenn H. Warner
Louis F. Theiling, Jr.
Marvin G. Freid
Assignee (at issue)
Union Carbide Corporation
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.