Granted Patent
Utility
US 5,703,155 · App. 08/627,527
Waterborne coating composition having improved rheology control and appearance
Inventors:
Shanti Swarup, Richard J. Sadvary
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Apr 4, 1996
Inventors
Shanti Swarup
Richard J. Sadvary
Assignee (at issue)
PPG Industries, 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.