US 11,753,496 B2
Softening composition
Yves Kensicher, Theize (FR); Benoit Magny, Cailloux sur Fontaine (FR); Yves Matter, Quincieux (FR); and Jean-Marc Suau, Lucenay (FR)
Assigned to COATEX, Genay (FR)
Appl. No. 16/762,978
Filed by COATEX, Genay (FR)
PCT Filed Dec. 14, 2018, PCT No. PCT/FR2018/053292
§ 371(c)(1), (2) Date May 11, 2020,
PCT Pub. No. WO2019/122629, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 1762529 (FR), filed on Dec. 19, 2017.
Prior Publication US 2020/0277431 A1, Sep. 3, 2020
Int. Cl. C08G 18/00 (2006.01); C08G 18/28 (2006.01); A61K 8/87 (2006.01); A61Q 5/12 (2006.01); C08G 18/22 (2006.01); C08G 18/48 (2006.01); C08G 18/71 (2006.01); C08G 18/75 (2006.01); C08G 18/76 (2006.01); C08K 5/19 (2006.01); C11D 3/00 (2006.01); C11D 11/00 (2006.01)
CPC C08G 18/2825 (2013.01) [A61K 8/87 (2013.01); A61Q 5/12 (2013.01); C08G 18/227 (2013.01); C08G 18/4833 (2013.01); C08G 18/71 (2013.01); C08G 18/755 (2013.01); C08G 18/7621 (2013.01); C08K 5/19 (2013.01); C11D 3/0015 (2013.01); C11D 11/0017 (2013.01); A61K 2800/48 (2013.01)] 17 Claims
 
1. A thickening agent, comprising:
I. a compound prepared by reaction of compounds (A), (B), and (C), wherein said compounds (A), (B), and (C) are free of any diisocyanate compound, and wherein:
(A) is at least one monoisocyanate compound chosen from:
(A1) a compound comprising a single isocyanate group and
(A2) at least one monoisocyanate compound from a separate reaction of (A2-1) at least one compound comprising a labile hydrogen atom and (A2-2) at least one asymmetric diisocyanate compound,
(B) is at least one isocyanate compound comprising more than 2 isocyanate groups, and
(C) is at least one compound of formula (I):
(HO)-Ln-(OH)  (I)
wherein L independently represents a polyalkylene glycol residue and n represents a number ranging from 40 to 400; and
II. a solvent which is non-aromatic, non-reactive with the isocyanate group and at least one selected from the group consisting of a ketone, an ether, an aprotic ethyl derivative, a diether, a crown ether, an ester, a diester, a carbonate, a furan, a halogenated solvent, an alkane, an alkene, an alkyne, a nitrogenous or sulphurous solvent, a mineral oil and a silicone oil.