Granted Patent
Utility
US 4,533,485 · App. 06/505,663
Anionic surfactant addition products of maleic or fumaric acid and a poly(oxyalkylated) alcohol
Inventors:
James M. O'Connor, Michael Scardera, Frank R. Grosser
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Jun 20, 1983
Inventors
James M. O'Connor
Michael Scardera
Frank R. Grosser
Assignee (at issue)
Olin 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.