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Patent Searching and Data


Title:
HOLLOW PARTICLES AND COSMETIC
Document Type and Number:
WIPO Patent Application WO/2018/221406
Kind Code:
A1
Abstract:
The hollow particles according to the present invention have a balloon structure having a cavity inside an outer shell thereof, and have protruding portions each having a size of 3-100 nm on the surface thereof. Further, the particles have a true specific gravity of 0.3-3.0 g/cm3 and a specific surface area per unit volume (m2/cm3) of not less than 0.5 but less than 60 as measured by BET. The particles have an average particle size (d1) within the range of 1-20 μm. Cosmetics containing the hollow particles have soft tactile characteristics similar to those of plastic beads.

Inventors:
WATANABE SATOSHI (JP)
ENOMOTO NAOYUKI (JP)
SHIMAZAKI IKUKO (JP)
SUEMITSU KENICHI (JP)
Application Number:
PCT/JP2018/020149
Publication Date:
December 06, 2018
Filing Date:
May 25, 2018
Export Citation:
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Assignee:
JGC CATALYSTS & CHEMICALS LTD (JP)
International Classes:
C01B33/18; A61K8/25; A61Q1/12
Domestic Patent References:
WO2015050243A12015-04-09
WO2016164987A12016-10-20
WO2004006873A12004-01-22
Foreign References:
JP2011256098A2011-12-22
JP2013231010A2013-11-14
JPH049319A1992-01-14
JP2012140286A2012-07-26
JP2013082599A2013-05-09
JP2009137806A2009-06-25
JP2011256098A2011-12-22
JPH07196312A1995-08-01
JP2002265257A2002-09-18
Other References:
See also references of EP 3632849A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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