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:
Jun. 14, 1994
Filed:
Oct. 19, 1992
Applicant:
Inventor:
Clint W Carpenter, Royal Oak, MI (US);
Assignee:
BASF Lacke+Farben Aktiengesellschaft, Munster, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106404 ; 106 1412 ; 106 1415 ; 10628717 ; 10628723 ; 10628725 ; 10628729 ; 106401 ; 106403 ; 106499 ;
Abstract
A compound is described that is useful as a dispersant for inorganic pigments and metallic flake pigments in waterborne coatings. The compound comprises a polymeric backbone having a pigment-interactive substituent and a stabilizing substituent. The pigment-interactive substituent has at least one functionality selected from the group consisting of ##STR1## wherein A.sub.1, A.sub.2, A.sub.3, and A.sub.4 are as defined herein. The stabilizing substituent includes the structure ##STR2## wherein D.sub.1, D.sub.2, R.sub.1, R.sub.2, R.sub.3, m, and n are as defined herein.