Granted Patent
Utility
US 5,459,010 · App. 08/317,773
Photosensitive composition comprising a polymer having a 4-hydroxybutyl(meth)acrylate monomer in a mixture with a diazo compound
Inventors:
Shigeki Shimizu, Youichiro Tsuji
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Oct 4, 1994
Inventors
Shigeki Shimizu
Youichiro Tsuji
Assignee (at issue)
MITSUBISHI CHEMICAL CORPORATION
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.