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. 17, 1992
Filed:
Sep. 01, 1989
Applicant:
Inventor:
Loni Schell, Hofheim-Wallau, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
106-2 ;
Abstract
A fountain composition for use in offset printing is disclosed comprising a viscosity-regulating hydrophilizing agent, a buffer substance at least one triazole and at least one non-hydroxylated dicarboxylic acid or salt thereof. By means of the invention, corrosion, in particular on the nickel-plated parts, above all the nickel-plated printing cylinders of printing machines, is considerably reduced, in particular viewed over a prolonged period.