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:
May. 17, 1977
Filed:
Apr. 17, 1975
Fumitake Imaizumi, Yamato, JA;
Isao Nagaoka, Yokkaichi, JA;
Mitsuo Kurokawa, Yokohama, JA;
Koei Komatsu, Yokkaichi, JA;
Yasuyuki Takimoto, Takatsuki, JA;
Hidefumi Kusuda, Hirakata, JA;
Japan Synthetic Rubber Co., Ltd., Tokyo, JA;
Abstract
A photosensitive composition comprising (1) a maleic anhydride adduct of 1,2-polybutadiene having a molecular weight of 10,000 or higher, (2) at least one photosensitizer and/or at least one photosensitive crosslinking agent, and, if necessary, (3) at least one acrylic monomer. This composition can be developed with water or a polar solvent such as an alcohol, and its layer formed on a support provides a printing plate. When the acrylic monomer is contained, the composition is suitable for use in flexographic printing.