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:
Jan. 21, 2020
Filed:
Oct. 27, 2010
Anton Arzt, Neu-Tillmitsch, AT;
Markus Schafheutle, Graz, AT;
Gerlinde Petritsch, Graz, AT;
Julius Burkl, Graz, AT;
Robert Harrer, Graz, AT;
Ulrike Kuttler, Vasoldsberg, AT;
Anton Arzt, Neu-Tillmitsch, AT;
Markus Schafheutle, Graz, AT;
Gerlinde Petritsch, Graz, AT;
Julius Burkl, Graz, AT;
Robert Harrer, Graz, AT;
Ulrike Kuttler, Vasoldsberg, AT;
Allnex Austria GmbH, Werndorf, AT;
Abstract
The invention relates to an aqueously dispersible polyurethane having a specific amount of substance of hydroxyl groups, —OH, of at least 0.6 mol/kg, and additionally satisfying at least two of the following conditions: a) a degree of branching measured as specific amount of substance of tertiary and/or quaternary aliphatic carbon atoms of from 0.01 mol/kg to 0.5 mol/kg, b) a specific amount of urea groups >N—CO—N< of from 0.8 mol/kg to 2 mol/kg, and c) a specific amount of substance of hydroxyl groups, —OH, of from 1 mol/kg to 4 mol/kg, wherein in each case the specific amount of substance is based on the mass of the polyurethane, a process for the preparation thereof, and a method of use thereof.