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. 02, 1978
Filed:
Oct. 20, 1976
Applicant:
Inventors:
Hiroyoshi Taniguchi, Tokyo, JA;
Takao Igawa, Tokyo, JA;
Assignee:
Ricoh Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B41M / ; B41N / ; G03F / ; G03G / ;
U.S. Cl.
CPC ...
428422 ; 101453 ; 101457 ; 101462 ; 101463 ; 101465 ; 101473 ; 427144 ; 428908 ;
Abstract
A lithographic printing plate which comprises using in an ink-repellent layer a polymer of a monomer or a copolymer containing said monomer, said monomer being represented by the following general formulas: ##STR1## WHEREIN: R is hydrogen or a methyl radical; R' is hydrogen or an alkyl radical having 1 to 10 carbon atoms; Rf is a perfluoroalkyl radical having 3 to 21 carbon atoms; and n is an integer of 1 to 10.