Granted Patent
Utility
US 5,932,633 · App. 08/916,855
Method for making polymers-coated pigment particles using initiator-treated pigments
Inventors:
Jing Chen, Frederic E. Schubert
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Aug 22, 1997
Inventors
Jing Chen
Frederic E. Schubert
Assignee (at issue)
Copytele, 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.