Granted Patent
Utility
US 6,090,857 · App. 09/162,683
Foam control agent for paints and coatings
Inventors:
Jeffrey Todd Tamburrino, Andrew A. Romano
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Sep 29, 1998
Inventors
Jeffrey Todd Tamburrino
Andrew A. Romano
Assignee (at issue)
Ashland, 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.