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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.:

US 4640887 B1

PDFFull Text
Date of Patent:
Feb. 03, 1987

Filed:

Feb. 08, 1985

Photosensitive image-forming material comprised of carboxyl groups

Applicant:
Inventors:

Chiaki Nakamura, Tokyo, JP;

Koji Oe, Urawa, JP;

Tomonobu Muta, Urawa, JP;

Toshiki Sasaki, Kamifukuoka, JP;

Yoshihiro Nishio, Ohmiya, JP;

Assignee:

Dainippon Ink and Chemicals, Inc., Tokyo, JP;

Attorney:

Sherman and Shalloway

Primary Examiner:

John E Kittle

Assistant Examiner:

Cynthia Hamilton

Int. Cl.
CPC ...
G03C / ; G03C / ; C08G / ;
U.S. Cl.
CPC ...
430275 ; 430285 ; 430286 ; 430287 ; 430284 ; 428458 ; 428913 ; 522 90 ; 522 98 ; 522101 ; 522104 ; 525444 ; 528296 ;
Abstract

A photosensitive image-forming material developable with aqueous alkali developers, which is characterized in that the photosensitive resin having the structural units represented by the general formula ##STR1## (wherein A represents a linear polyester structural unit containing in its main chain the dicarboxylic acid unit having a photosensitive, unsaturated double bond adjacent to the aromatic ring, and R.sub.1 represents a tetravalent organic group) is contained in the photosensitive layer.

Find Patent Forward Citations

Nakamura, Chiaki. (1987). Photosensitive image-forming material comprised of carboxyl groups (U.S. Patent No. 4640887). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4640887

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