Granted Patent
Utility
US 4,614,704 · App. 06/747,478
Stable UV curable compositions comprising triphenyl phosphite for forming solder mask coatings of high cure depth
Inventors:
Paul L. K. Hung, Mark L. Lavach
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Jun 21, 1985
Inventors
Paul L. K. Hung
Mark L. Lavach
Assignee (at issue)
M&T Chemicals, 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.