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Title:
NEW PHOSPHOBETAINE AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3202762
Kind Code:
B2
Abstract:

PURPOSE: To obtain the subject new compound useful as a base for hair and skin cosmetics, a detergent, a conditioning agent, an emulsifying agent, etc., due to its manifestation of excellent conditioning effects without any irritancy.
CONSTITUTION: A phosphobetaine expressed by formula I [Z is residue obtained by removing (m+n) OH groups from a polyol without any alkyl or alkenyl (except monosaccharides, oligosaccharides, polysaccharides, sugar alcohols and glycerol); formulas II and III are groups bonding to C atoms to which the removed OH groups of Z were bonded; R1 to R3 are H, 1-24C chain alkyl, etc.; M1 and M2 are H or cationic group; (m) is ≥0; (n) is ≥1], e.g. polyglycerol (N,N,N-trimethylammoniopropyl) phosphate. The aforementioned compound is obtained by reacting a phosphoric acid ester expressed by formula TV with an epoxy compound expressed by formula V (X- is anion). The above-mentioned reaction is preferably carried out in the presence of water or a mixed solvent of water and a lower alcohol at 40-90°C.


Inventors:
Mitsuru Uno
Tomohito Kitsuki
Katsumi Kita
Yoshiaki Fujikura
Application Number:
JP14750491A
Publication Date:
August 27, 2001
Filing Date:
June 19, 1991
Export Citation:
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Assignee:
Kao Corporation
International Classes:
A61K8/60; A61K8/00; A61K8/73; A61Q5/00; A61Q5/02; A61Q5/12; C07F9/09; C07F9/10; C07H11/04; (IPC1-7): C07F9/09; A61K7/00; A61K7/06; A61K7/075; C07F9/10
Domestic Patent References:
JP60184092A
JP4182492A
Attorney, Agent or Firm:
Miyuki Ariga (2 outside)