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Title:
PARTICLES CONTAINING STARCH, METHOD FOR PRODUCING SAME, AND COSMETIC PREPARATION
Document Type and Number:
WIPO Patent Application WO/2021/033742
Kind Code:
A1
Abstract:
The present invention enables the achievement of particles having excellent texture characteristics from a water-soluble material having excellent biodegradability. Particles according to the present invention contain a starch which has an amylopectin content of 90% by weight or more. The particles have an average particle diameter d1 of from 0.5 μm to 20 μm; and the maximum particle diameter d2 is less than 30 μm, while being not more than 3.0 times the average particle diameter.

Inventors:
ENOMOTO NAOYUKI (JP)
WATANABE SATOSHI (JP)
SADOWARA KOKI (JP)
YANASE MASASHI (JP)
Application Number:
PCT/JP2020/031432
Publication Date:
February 25, 2021
Filing Date:
August 20, 2020
Export Citation:
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Assignee:
JGC CATALYSTS & CHEMICALS LTD (JP)
International Classes:
C08B30/00; A61K8/02; A61K8/04; A61K8/19; A61K8/60; A61K8/73; A61Q1/00; C08J3/16
Foreign References:
CN109912818A2019-06-21
US20110052780A12011-03-03
JP2013216887A2013-10-24
JP2009533380A2009-09-17
JP2014105165A2014-06-09
US4913896A1990-04-03
JP2008503630A2008-02-07
US5662937A1997-09-02
JP2018172578A2018-11-08
JP2008084854A2008-04-10
JP2013133355A2013-07-08
JP2017088873A2017-05-25
JPH0284401A1990-03-26
Other References:
STARCH CHEMISTRY, vol. 32, no. 1, pages 65 - 83
"Japanese Standards of Quasi-drug Ingredients", 16 June 2006, YAKUJI NIPPO, LIMITED
"International Cosmetic Ingredient Dictionary and Handbook", THE COSMETIC, TOILETRY, AND FRAGRANCE ASSOCIATION
See also references of EP 4019553A4
Attorney, Agent or Firm:
OKUMACHI Tetsuyuki (JP)
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