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Title:
ASSOCIATIVE THICKENER AND THICKENING COMPOSITION
Document Type and Number:
Japanese Patent JP2000234085
Kind Code:
A
Abstract:

To provide an associative thickener excellent in viscosity stability and usability and a thickening composition containing the same.

This associative thickener and a thickening composition containing the same are a copolymer of the formula: R-B-(X-B)n-R (wherein R is a hydrophobic part; X is a hydrophilic part obtained by addition polymerization of alkylene oxides containing ethylene oxide to an organic compound having at least two active hydrogen groups; B is a linkage part containing a linkage group of an ether group or an ester group; and (n) is an integer of 1-5) comprising a hydrophilic part and a hydrophobic part, which associates each other in a water-soluble medium and thereby increase the viscosity of the water-soluble medium. The thickening composition is an oil-in-water emulsion composition also containing a polyol, a monovalent lower alcohol and a water-soluble polymer.


Inventors:
Yoshida, Katsunori
Kaneda, Isamu
Hariki, Toshio
Application Number:
JP1999000359225
Publication Date:
August 29, 2000
Filing Date:
December 17, 1999
Export Citation:
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Assignee:
SHISEIDO CO LTD
International Classes:
A61K8/72; A61K8/34; A61K8/81; A61K8/87; A61K8/92; A61Q1/00; A61Q1/12; A61Q3/02; A61Q5/02; A61Q19/00; C08G18/28; C08G18/48; C08G59/02; C08G65/334; C08K5/05; C08L71/02; C08L75/08; C09K3/00; (IPC1-7): C09K3/00; A61K7/00; C08G59/02; C08K5/05; C08L71/02
Attorney, Agent or Firm:
岩橋 祐司