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:
Jun. 22, 1993
Filed:
May. 28, 1992
Applicant:
Inventors:
Hiroshi Matsumoto, Shizuoka, JP;
Kenji Kunichika, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
106-2 ; 101451 ;
Abstract
A concentrated dampening water composition for lithographic printing comprises a) 0.1 to 10% by weight of a hydrophilic polymeric compound having a film-forming ability; b) 0.01 to 15%, by weight of a pH buffering agent; c) 5 to 80% by weight of a water-miscible organic solvent having a boiling point of not less than 140.degree. C. and whose 1% by weight aqueous solution has a surface tension of not more than 60 dynes/cm; d), 0.05 to 10% by weight of a compound, for instance, represented by the following general formula (III); and e) 30 to 80% by weight of water: