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. 21, 2006
Filed:
Feb. 26, 2002
Martin Alexander Winter, Kelkheim, DE;
Hans Joachim Metz, Darmstadt, DE;
Andreas Harz, Schwalbach, DE;
Andreas Pfrengle, Bingen, DE;
Martin Alexander Winter, Kelkheim, DE;
Hans Joachim Metz, Darmstadt, DE;
Andreas Harz, Schwalbach, DE;
Andreas Pfrengle, Bingen, DE;
Clariant GmbH, Frankfurt, DE;
Abstract
The invention relates to addition compounds of formula (1):in which: n is a number from 1 to 10; Rand Rare identical or different and are each a hydrogen atom or a saturated or unsaturated aliphatic radical having 1 to 4 carbon atoms; Rand Rare identical or different and are each a hydrogen atom or alkyl having 1 to 3 carbon atoms, and the bridge member (R+R) is in each case positioned ortho or meta in relation to the phenolic oxygen atom; Z represents a group —CH—CH—, —CH—CH(CH)—, —CH(CH)—CH— or a combination thereof; s is number from 1 to 200; B represents hydrogen, —CO—CH═CH—COOM, —COCH(SOM)CHCOOM, —CO—CH—CH(SOM)—COOM, —SOM, —SOM and/or —POMM, whereby M is preferably a cation selected from the group Li, Na, K, NH, HO—CH—CH—NH, (HO—CH—CH—)NHor (HO—CH—CH—)NH; and Y is a radical of an amine. The inventive addition compounds are used as dispersing agents of solids, for example, pigments, particularly in aqueous media.