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:
Aug. 25, 2020
Filed:
Dec. 24, 2018
Evonik Operations Gmbh, Essen, DE;
Philippe Favresse, Ratingen, DE;
Manuela Grewing, Moers, DE;
Frank Kleinsteinberg, Alpen, DE;
Sandra Roediger, Bochum, DE;
Birgit Flock, Essen, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
A polyaddition compound and/or a salt thereof is obtainable by the reaction of epoxy resin based on at least one diglycidyl ether of Formula (I) wherein R=a divalent aliphatic or monocyclic aromatic or bicyclic aromatic radical or mixtures thereof; with at least one polyether alcohol of Formula (II)R-[OEt]-[OPr]-[OBu]-[OSO]-OH  Formula (II)wherein R=independently identical or different, linear or branched, optionally aromatic hydrocarbyl radicals having 1 to 18 carbon atoms, [OEt]=ethylene oxide radical, [OPr]=propylene oxide radical, [OBu]=butylene oxide radical, [OSO]=styrene oxide radical, n=0 to 100, m=0 to 50, s=0 to 20, and r=0 to 3, with the proviso that n+m+s+r=3-103, and with at least one compound containing at least one functional group selected from sulfate groups, sulfonate groups, carboxylate groups and phosphate groups.