Granted Patent
Utility
US 4,810,354 · App. 06/926,308
Bifunctional antifoulant compositions and methods
Inventors:
Paul V. Roling, Joseph H. Y. Niu, Dwight K. Reid
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Oct 31, 1986
Inventors
Paul V. Roling
Joseph H. Y. Niu
Dwight K. Reid
Assignee (at issue)
Betz Laboratories, 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.