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:
Nov. 17, 1992
Filed:
Sep. 04, 1990
Applicant:
Inventors:
Toshio Uchida, Shizuoka, JP;
Hiroshi Matsumoto, Shizuoka, JP;
Kenji Kunichika, Shizuoka, JP;
Shigeru Sasaki, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Ashigara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ; B41M / ;
U.S. Cl.
CPC ...
106-2 ; 101451 ;
Abstract
Disclosed is a dampening solution composition for lithographic printing. The solution has a dynamic surface tension ranging from 20 to 50 dyne/cm at 15.degree. C. at most 1.times.10.sup.-1 seconds after a new surface of the solution is formed on the surface of a printing plate; a viscosity ranging from 1.05 to 5.0 cSt at 15.degree. C.; and an emulsification ratio when mixed with ink which is higher by 2 to 30% than that of pure water mixed with ink.