Title:
COMPOSITE OPACIFIER DISPERSION
Document Type and Number:
WIPO Patent Application WO/2023/044724
Kind Code:
A1
Abstract:
A composite opacifier dispersion is provided, comprising: a dispersion medium; a processing surfactant; and a plurality of composite opacifier particles, wherein the composite opacifier particles comprise metal oxide particles that are partially or completely encapsulated by a polycaprolactone polymer; wherein the metal oxide particles are selected from the group consisting of zinc oxide, titanium oxide and mixtures thereof; wherein the metal oxide particles have a z average particle size of > 100 nm as measured by dynamic light scattering; and wherein the composite opacifier particles have a z average particle size of > 150 nm to 2, 500 nm as measured by dynamic light scattering.
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Inventors:
WANG TAO (CN)
BAO XINYAN (CN)
GUO YUNLONG (CN)
CHEN HONGYU (CN)
PANG XIAOYI (CN)
BAO XINYAN (CN)
GUO YUNLONG (CN)
CHEN HONGYU (CN)
PANG XIAOYI (CN)
Application Number:
PCT/CN2021/120210
Publication Date:
March 30, 2023
Filing Date:
September 24, 2021
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
DOW SILICONES CORP (US)
WANG TAO (CN)
BAO XINYAN (CN)
GUO YUNLONG (CN)
CHEN HONGYU (CN)
PANG XIAOYI (CN)
DOW SILICONES CORP (US)
WANG TAO (CN)
BAO XINYAN (CN)
GUO YUNLONG (CN)
CHEN HONGYU (CN)
PANG XIAOYI (CN)
International Classes:
A61K8/11; A61K8/85; A61Q5/02
Foreign References:
| CN105407718A | 2016-03-16 | |||
| CN109966174A | 2019-07-05 | |||
| CN101365412A | 2009-02-11 | |||
| US20190053991A1 | 2019-02-21 | |||
| CN1852763A | 2006-10-25 | |||
| EP2990445A1 | 2016-03-02 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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