Granted Patent
Utility
US 5,334,644 · App. 08/031,371
Aqueous additive systems, methods and polymeric particles
Inventors:
William C. Gose, Kenneth W. Hyche
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Mar 2, 1993
Inventors
William C. Gose
Kenneth W. Hyche
Assignee (at issue)
Eastman Chemical 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.