Granted Patent
Utility
US 5,609,991 · App. 08/510,836
Photoimageable composition having improved alkaline process resistance and tack-free surface for contact imaging
Inventors:
James J. Briguglio, Charles R. Keil, Vinai Ming Tara, Edward J. Reardon, Randall W. Kautz
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Aug 3, 1995
Inventors
James J. Briguglio
Charles R. Keil
Vinai Ming Tara
Edward J. Reardon
Randall W. Kautz
Assignee (at issue)
Morton International, 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.