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. 12, 2002
Filed:
Aug. 14, 2000
Applicant:
Inventors:
Peter Roger Nyssen, Dormagen, DE;
Wolfgang Zarges, Köln, DE;
Achim Brand, Bienne, CH;
Thomas Roick, Leverkusen, DE;
Hans Peter Geiger, Rösrath, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 6/720 ; C09B 6/738 ; C08G 1/000 ; C08G 1/400 ; C09D 1/706 ;
U.S. Cl.
CPC ...
C09B 6/720 ; C09B 6/738 ; C08G 1/000 ; C08G 1/400 ; C09D 1/706 ;
Abstract
Aqueous pigment preparations containing a) at least one pigment, b) at least one condensation product based on A) suphonated aromatics, B) aldehydes and/or ketones and optionally C) one or several compounds selected from the group of non sulphonated aromatics, urea and urea derivatives, and c) at least one polyether polyol with a boiling point of above 150° C., at normal pressure. The inventive preparations are highly suitable for pigmenting natural or synthetic materials.