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. 24, 2020
Filed:
Sep. 11, 2017
Huntsman Textile Effects (Germany) Gmbh, Langweid A.L., DE;
Dieter Probst, Gablingen, DE;
Alfred Weihrather, Schwabmunchen, DE;
Andreas Fuchs, Munich, DE;
Isabella Rettenbacher, Gersthofen, DE;
HUNTSMAN TEXTILE EFFECTS (GERMANY) GmbH, Langweid A.L., DE;
Abstract
An aqueous dispersion free of fluorochemicals comprising (A) at least one copolymer obtained by polymerization of the following monomers a) at least one fluorine-free (meth)acrylate ester of a C-Calcohol, b) at least one fluorine-free (meth)acrylate ester of a C-Calcohol, c) at least one monomer selected from the group of vinyl chloride and vinylidene chloride, and, optionally, d) at least one monomer selected from the group of 2-hydroxyethyl(meth)acrylate and 3-chloro-2-hydroxyethyl(meth)acrylate, (B) at least one component selected from the group of a paraffin wax, (C) at least one surfactant, and (D) water, wherein the monomers a) and b) of copolymer (A) are distinct, and the copolymer (A) does not contain any polymerized units of styrene or α-methylstyrene, is useful for the finishing of natural and synthetic textile fabrics to endow the said fabrics with excellent water repellent properties.