IP Library Granted Patent US 6,447,845
Granted Patent Utility
US 6,447,845 · App. 09/518,572

Barrier coatings using polyacids

Inventors: Shrenik Mahesh Nanavati, John E. Wyman, Patrick Merlin, Laurence Gallez
Patented Case View Patent ↗
Granted: Sep 10, 2002 Filed: Mar 3, 2000
Inventors
Shrenik Mahesh Nanavati
John E. Wyman
Patrick Merlin
Laurence Gallez
Assignees (at issue)
Dow Corning Corporation
Dow Corning S.A.
EG Technology Partners, L.P.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,447,845
App. No.
09/518,572
Filed
2000-03-03
Granted
2002-09-10
Kind
B1