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. 19, 2020
Filed:
Jun. 27, 2017
Rohm and Haas Company, Collegeville, PA (US);
Dow Global Technologies Llc, Midland, MI (US);
David J. Brennan, Midland, MI (US);
Gregoire Cardoen, Collegeville, PA (US);
Jonathan DeRocher, Coopersburg, PA (US);
John J. Rabasco, Allentown, PA (US);
Antony K. Van Dyk, Blue Bell, PA (US);
Kimy Yeung, Phoenixville, PA (US);
Dow Global technologies LLC, Midland, MI (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A composition comprising: (a) a hydrophilic polyurethane comprising polymerized units of: (i) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (ii) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt % of said hydrophilic polyurethane; and at least one of: (b) a saccharide having at least 5 hydroxyl groups and Mfrom 300 to 4,000; (c) a dispersant polymer having Mfrom 700 to 50,000 and from 10 to 55 wt % polymerized residues of C-Ccarboxylic acid monomer and (d) a surfactant having HLB>11 and 12 to 100 polymerized units of ethylene oxide.