Photosensitive compositions of matter which are capable of undergoing condensation or additional reactions and may or may not be crosslinkable, reaction products which can be prepared therefrom and their use

Granted: Jul 18, 1989 Filed: Apr 20, 1988

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.