Granted Patent
Utility
US 6,011,096 · App. 09/211,909
Process for producing a suspension of a vinylpyridine polymer in high polymer purity
Inventors:
Jenn S. Shih, Eduardo T. Yap, John C. Hornby, Bala Srinivas
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Dec 15, 1998
Inventors
Jenn S. Shih
Eduardo T. Yap
John C. Hornby
Bala Srinivas
Assignee (at issue)
ISP INVESTMENTS 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.