Granted Patent
Utility
US 4,740,575 · App. 07/045,932
Terpolymer composition comprising a functional polysiloxane, an isocyanate and a mono-carboxylic acid or salt thereof
Inventors:
Tinh Nguyen, James M. Gaul
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: May 4, 1987
Inventors
Tinh Nguyen
James M. Gaul
Assignee (at issue)
Arco Chemical Company
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.