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:
May. 25, 2021
Filed:
Nov. 14, 2017
Byk-chemie Gmbh, Wesel, DE;
Michael Bessel, Wesel, DE;
Guillaume Wojciech Jaunky, Wesel, DE;
Frederik Piestert, Wesel, DE;
Carsten Nagel, Wesel, DE;
Sandra Sabrina Meyer, Wesel, DE;
Dennis Levering, Wesel, DE;
BYK-CHEMIE GMBH, Wesel, DE;
Abstract
The invention relates to polyesters of the following general formula, wherein the residues R, R, R, R, R(as a special case of residue R), R, Rand Rare free of carboxy, hydroxy, thiol, imino, and primary and secondary amino groups, the residues R(as a special case of R) and Rcontain hydroxyl groups, 10 to 100 mol % of which can be present in salt form analogously to polymers or otherwise capped, u=0 or 1, v=1 to 60 and w=1 to 20. The invention further relates to wetting agents and dispersants that contain the aforementioned polyesters or consist thereof and to a method for producing said wetting agents and dispersants, to the use of the polyesters and reaction products of the method according to the invention as wetting agents and dispersants, and to compositions containing the polyesters, wetting agents and/or dispersants or reaction products of the method according to the invention and particulate solids.