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Patent Searching and Data


Title:
PIGMENT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2011/114691
Kind Code:
A1
Abstract:
Disclosed is a pigment composition that contains (a) a pigment and (b) a polyvinyl alcohol / acrylic acid / methyl methacrylate copolymer or an aminoalkyl methacrylate copolymer. Such a pigment composition exhibits superior dispersion characteristics, and can be used in pharmaceutical preparations or the like.

Inventors:
NAKAJIMA TOSHIKI (JP)
URABE MASAKIYO (JP)
NUMAO MARIKO (JP)
IKEDA MASATOSHI (JP)
YAMABE KENJI (JP)
Application Number:
PCT/JP2011/001473
Publication Date:
September 22, 2011
Filing Date:
March 14, 2011
Export Citation:
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Assignee:
TAISHO PHARMACEUTICAL CO LTD (JP)
NAKAJIMA TOSHIKI (JP)
URABE MASAKIYO (JP)
NUMAO MARIKO (JP)
IKEDA MASATOSHI (JP)
YAMABE KENJI (JP)
International Classes:
C09B63/00; C09B67/20; C09D11/00
Foreign References:
JP2005325328A2005-11-24
JP2009191251A2009-08-27
JP2003261805A2003-09-19
JP2003192964A2003-07-09
JP2003192963A2003-07-09
JPS546606A1979-01-18
JP2010047625A2010-03-04
Other References:
See also references of EP 2548928A4
Attorney, Agent or Firm:
HAYAMI, SHINJI (JP)
Shinji Hayami (JP)
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Claims: