Granted Patent
Utility
US 5,393,334 · App. 08/213,264
Papermaking compositions, process using same, and paper produced therefrom
Inventor:
Gary S. Hutcheson
Patented Case
View Patent ↗
Granted: Feb 28, 1995
Filed: Mar 15, 1994
Inventor
Gary S. Hutcheson
Assignee (at issue)
Sequa Chemicals, 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.