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Title:
PRODUCTION METHOD OF PURIFIED WHITE VASELINE
Document Type and Number:
Japanese Patent JP2008156480
Kind Code:
A
Abstract:

To provide a production method of purified white vaseline having excellent light stability and increased safety to the skin.

The white vaseline is hydrogenated in the presence of a group VIII metal catalyst under conditions of 170-250C and 6-30 MPa to have 0.25 ultraviolet absorbance (value of 1 w/v% isooctane solution and 1 cm optical path length) at 275 nm.


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Inventors:
NARAHARA HIROSHI
AKAHA YOSHIFUMI
Application Number:
JP2006347156A
Publication Date:
July 10, 2008
Filing Date:
December 25, 2006
Export Citation:
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Assignee:
NIKKO RIKA KK
International Classes:
C10G45/46; C10G67/02
Attorney, Agent or Firm:
Kanji Arai
Naotaka Kono
Eiichiro Shimazaki



 
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