Granted Patent
Utility
US 4,319,014 · App. 06/098,574
Acid stable surfactant
Inventors:
Warren J. Peascoe, Woodrow W. White, Linda E. Somma
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: Nov 29, 1979
Inventors
Warren J. Peascoe
Woodrow W. White
Linda E. Somma
Assignee (at issue)
Uniroyal Ltd.
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.