Granted Patent
Utility
US 5,597,406 · App. 08/330,353
Method of thickening aqueous formulations
Inventors:
Stephen A. Fischer, Kartar S. Arora, Reuben H. Grinstein, Patrick M. McCurry, Jr., Judith C. Giordan
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Nov 1, 1994
Inventors
Stephen A. Fischer
Kartar S. Arora
Reuben H. Grinstein
Patrick M. McCurry, Jr.
Judith C. Giordan
Assignee (at issue)
Henkel Limited
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.