Granted Patent
Utility
US 4,296,165 · App. 06/053,824
Antistatic natural and synthetic textile materials which have been treated with salts of orthophosphoric or polyphosphoric acid
Inventors:
Sarwan K. Kakar, Frank R. Kappler, John J. Cramer
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Jul 2, 1979
Inventors
Sarwan K. Kakar
Frank R. Kappler
John J. Cramer
Assignee (at issue)
DIVERSEY, 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.