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. 16, 1976
Filed:
Jul. 24, 1973
Applicant:
Inventors:
Heinz Haschke, Darmstadt, DT;
Gerhard Morlock, Darmstadt, DT;
Horst Kruger, Darmstadt, DT;
Gerhard Hebbel, Traisa, DT;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt am Main, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08J / ;
U.S. Cl.
CPC ...
260 / ; 252310 ; 260 / ; 260 / ; 260 / ;
Abstract
Process for dispersing solid, organic or inorganic colorant particles or mixtures thereof in a system comprised mainly of water by mixing into the aqueous system about 0.05 to 10% by weight of at least one dispersing agent comprising a polymer derived from specified units containing carboxyl, carboxylate, carbonyl and/or hydroxyl groups. A dispersing agent and an aqueous dispersion are provided. The process is particularly useful for dispersing pigments in aqueous systems.