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)
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:
Assignee:
JGC CATALYSTS & CHEMICALS LTD (JP)
International Classes:
C01B33/18; A61K8/25; A61Q1/12
Domestic Patent References:
WO2015050243A1 | 2015-04-09 | |||
WO2016164987A1 | 2016-10-20 | |||
WO2004006873A1 | 2004-01-22 |
Foreign References:
JP2011256098A | 2011-12-22 | |||
JP2013231010A | 2013-11-14 | |||
JPH049319A | 1992-01-14 | |||
JP2012140286A | 2012-07-26 | |||
JP2013082599A | 2013-05-09 | |||
JP2009137806A | 2009-06-25 | |||
JP2011256098A | 2011-12-22 | |||
JPH07196312A | 1995-08-01 | |||
JP2002265257A | 2002-09-18 |
Other References:
See also references of EP 3632849A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Download PDF: