METHOD FOR PREPARING HIGH-WATER-CONTENT EMULSION GEL USING OIL GEL-FORMING AGENT

WIPO Patent Application WO/2017/034005

A1

[Problem] To provide a stable high-water-content W/O-type emulsion gel. [Solution] A W/O-type emulsion gel which comprises a gel-forming agent comprising a compound represented by formula (1) or (2) (wherein R1 and R3 independently represent a linear or branched alkyl group having 1 to 20 carbon atoms, a cyclic alkyl group having 3 to 20 carbon atoms, or a linear or branched alkenyl group having 2 to 20 carbon atoms; n represents an integer of 0 or 1 to 4; R2 represents a hydrogen atom, a linear or branched alkyl group having 1 to 10 carbon atoms, or an aryl group which may have a substituent; and R4 and R5 independently represent a hydroxy group), a surfactant, and a solvent mixture comprising a hydrophobic organic solvent and water, wherein the gel-forming agent is contained in an amount of 0.1 to 20% by mass relative to the mass of the solvent mixture.

SARUHASHI KOICHIRO (JP)
HIRATA OSAMU (JP)
ONO FUMIYASU (JP)
SHINKAI SEIJI (JP)
YAMAMOTO TATSUHIRO (JP)

PCT/JP2016/074862

March 02, 2017

August 25, 2016

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NISSAN CHEMICAL IND LTD (JP)
UNIV KYUSHU (JP)
INST OF SYSTEMS INFORMATION TECH AND NANOTECH (JP)

A61K8/60; A61K8/06; A61K8/31; A61K8/37; A61K8/41; A61K8/49; A61K8/89; A61K9/107; A61K47/14; A61K47/26

WO2013133419A1

2013-09-12

ONO, FUMIYASU ET AL.: "Mild One-Step Synthesis of 4,6-Benzylideneglycopyranosides from Aromatic Aldehydes and Gelation Abilities of the Glucose Derivatives", EUR. J. ORG. CHEM., vol. 29, 2015, pages 6439 - 6447, XP055365789
See also references of EP 3335692A4

HANABUSA PATENT & TRADEMARK OFFICE (JP)

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