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:
Mar. 27, 1990
Filed:
Oct. 07, 1988
Applicant:
Inventors:
Makoto Sasaki, Yokohama, JP;
Shozo Tsuchiya, Tokyo, JP;
Norimasa Ikeda, Otsu, JP;
Mitusuru Suezawa, Otsu, JP;
Assignees:
Nippon Oil Co., Ltd., Tokyo, JP;
Toray Industries Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525 68 ; 1014501 ; 106 20 ; 525139 ; 526272 ;
Abstract
An ink composition for waterless plates for lithography, which comprises as the vehicle a resin (III) obtained by copolymerizing a five-membered compound, such as cyclopentadiene, and/or a Diels-Alder adduct thereof with an unsaturated aromatic hydrocarbon monomer to obtain a resin (I), reacting the resin (I) with an unsaturated carboxylic acid and/or the anhydride thereof to obtain a resin (II) and then further reacting the resin (II) with a phenolic resin to obtain the resin (III).