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:
Oct. 23, 2007
Filed:
Jul. 12, 2002
Andreas Harz, Schwalbach, DE;
Heidemarie Menzel, Bad Soden, DE;
Hans-tobias Macholdt, Darmstadt-Eberstadt, DE;
Michael Mueller, Hattersheim-Okriftel, DE;
Andreas Harz, Schwalbach, DE;
Heidemarie Menzel, Bad Soden, DE;
Hans-Tobias Macholdt, Darmstadt-Eberstadt, DE;
Michael Mueller, Hattersheim-Okriftel, DE;
Clariant Produkte (Deutschland) GmbH, Sulzbach, DE;
Abstract
The invention relates to an aqueous pigment preparation containing an organic and/or inorganic pigment dispersed in an acrylate resin solution and a dispersion agent. The preparation is characterized in that the acrylate resin is a copolymer consisting essentially of between 50 and 80 mol % of monoalkenyl aromatic compounds and between 20 and 50 mol % of acrylates, and has an average molar mass Mof between 1,000 and 50,000 g/mol, and in that the dispersion agent is a compound of formula (I): R—O—(CH-CH—O)—CH—COOM, wherein R is a C-Calkyl radical or a C-Calkenyl radical, m is a number between 1 and 15, and M is a monovalent cation.