Title:
METHOD FOR PRODUCING LIQUID HIGH-PURITY SUGAR DERIVATIVE-MODIFIED SILICONE OR COMPOSITION THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/162904
Kind Code:
A1
Abstract:
The present invention provides a method for producing a liquid high-purity sugar derivative-modified silicone or a composition thereof, said method including: a capture step in which an impurity-containing composition, which contains a liquid sugar derivative-modified silicone and hydrophilic impurities derived from the sugar derivative of the sugar derivative-modified silicone, said sugar derivative being a hydrophilic modifier, is brought into contact with solid particles capable of capturing the hydrophilic impurities, and the hydrophilic impurities are captured by the solid particles; and a separation step in which the sugar derivative-modified silicone and solid particles are separated. Provided is a method for producing a liquid high-purity sugar derivative-modified silicone or a composition thereof, said method being useful for production on a commercial scale.
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Inventors:
TAMURA SEIKI (JP)
SAWAYAMA SAYURI (JP)
SOUDA TATSUO (JP)
MAESHIMA HIDEKO (JP)
SAWAYAMA SAYURI (JP)
SOUDA TATSUO (JP)
MAESHIMA HIDEKO (JP)
Application Number:
PCT/JP2015/002151
Publication Date:
October 29, 2015
Filing Date:
April 20, 2015
Export Citation:
Assignee:
DOW CORNING TORAY CO LTD (JP)
International Classes:
C08G77/34; A61K8/89; A61K8/892; A61K47/34; A61Q1/02; A61Q17/04; A61Q19/00; C08G77/38
Foreign References:
JP2012046508A | 2012-03-08 | |||
JP2012246446A | 2012-12-13 | |||
JP2013151658A | 2013-08-08 |
Other References:
See also references of EP 3147308A4
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