Granted Patent
Utility
US 6,579,908 · App. 10/100,528
Foam control agents for coatings
Inventors:
Thomas Penny, Andrew A. Romano
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 18, 2002
Inventors
Thomas Penny
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.