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Title:
AQUEOUS GEL
Document Type and Number:
WIPO Patent Application WO/2013/172292
Kind Code:
A1
Abstract:
An aqueous gel that is prepared by gelling polymer components, said polymer components comprising polymer A, which is obtained by polymerizing a monomer component containing a betaine monomer represented by formula (I) [wherein: R1 represents a hydrogen atom or an alkyl group; R2 represents an alkylene, arylene, aralkylene, -COO- or -CONH- group; R3 and R4 represent an alkyl group; and R5 represents an alkylene group], and polymer (B), which is obtained by polymerizing a monomer component containing an acidic monomer represented by formula (II) [wherein: R1 represents a hydrogen atom or an alkyl group; and R6 represents an optionally neutralized sulfonate group, an optionally neutralized phosphate group, or an alkyl, aryl, aralkyl, carboxyl or amino group carrying an optionally neutralized sulfonate group or an optionally neutralized phosphate group].

Inventors:
GONG JIAN PING (JP)
KUROKAWA TAKAYUKI (JP)
YIN HAIYAN (JP)
AKASAKI TAIGO (JP)
SARUWATARI YOSHIYUKI (JP)
Application Number:
PCT/JP2013/063263
Publication Date:
November 21, 2013
Filing Date:
May 13, 2013
Export Citation:
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Assignee:
UNIV HOKKAIDO NAT UNIV CORP (JP)
OSAKA ORGANIC CHEM IND (JP)
International Classes:
A61K8/81; C08F265/04; A61K9/06; A61K47/32; A61Q5/00; A61Q19/00; C08F265/10; C08L33/14; C08L33/24; C09D139/00; C09D201/00; C09K3/00; C07C233/09; C12M3/00; C12N5/071
Domestic Patent References:
WO2012029731A12012-03-08
Foreign References:
JP2009298971A2009-12-24
JPH08109221A1996-04-30
JP2010057745A2010-03-18
JPH01249808A1989-10-05
JPH06200224A1994-07-19
JPH10101532A1998-04-21
Attorney, Agent or Firm:
AKAMATSU YOSHIHIRO (JP)
Yoshihiro Akamatsu (JP)
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