Granted Patent
Utility
US 4,608,197 · App. 06/624,323
Alkoxylated ether sulfate anionic surfactants from branched chain plasticizer alcohols
Inventors:
Haven S. Kesling, Jr., Hyman D. Gillman
Patented Case
View Patent ↗
Granted: Aug 26, 1986
Filed: Jun 25, 1984
Inventors
Haven S. Kesling, Jr.
Hyman D. Gillman
Assignee (at issue)
Atlantic Richfield 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.