The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 1995
Filed:
Jul. 21, 1993
Hirotada Iida, Funabashi, JP;
Noriaki Tochizawa, Funabashi, JP;
Yasuo Kuniyoshi, Funabashi, JP;
Masaharu Watanabe, Funabashi, JP;
Katsuyo Tokuda, Funabashi, JP;
Ichiro Hozumi, Funabashi, JP;
Toyo Gosei Kogyo Co., Ltd., , JP;
Abstract
An photosensitive polyfunctional aromatic diazo compound having at least two groups of Formula (uD) in the molecule, and a photosensitive composition using the same. The diazo compound can be handled under visible light free from ultraviolet, is highly photosensitive, has good shelf life, and is adequate as a photosensitive agent for lithographic printing plates and screen printing plates: ##STR1## wherein G.sup.1 is a substituent derived from alcoholic hydroxyl group; R.sup.1 and R.sup.2 are hydrogen, or alkyl or alkyloxy of 1 to 8 carbon atoms;