Granted Patent
Utility
US 5,415,972 · App. 08/304,612
Carboxyl-containing plasticizers in dry-film photopolymerizable compositions
Inventor:
Richard T. Mayes
Patented Case
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Granted: May 16, 1995
Filed: Sep 12, 1994
Inventor
Richard T. Mayes
Assignee (at issue)
HERCULES 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.