Granted Patent
Utility
US 5,725,648 · App. 08/719,375
Paper coatings containing guar or reduced molecular weight guar
Inventors:
Michael J. Brown, Teng-Shau Young
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Sep 25, 1996
Inventors
Michael J. Brown
Teng-Shau Young
Assignee (at issue)
HERCULES LLC
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.