Utilization absorber, cosmetic and method for enhancing...

Details Utilization absorber, cosmetic and method for enhancing... Utilization absorber, cosmetic and method for enhancing...

2007-06-19

2007-06-19

Richter, Johann (Department: 1616)

Drug, bio-affecting and body treating compositions

Topical sun or radiation screening, or tanning preparations

C424S060000, C514S458000

Reexamination Certificate

active

10470998

ABSTRACT:
Use of δ-tocopherol for enhancing the heat stability and/or oxidation stability of a para-methoxycinnamic ester; an ultraviolet absorber comprising a para-methoxycinnamic ester, and an effective amount of δ-tocopherol to enhance its heat stability and/or oxidation stability; and a cosmetic comprising the above ultraviolet absorber.δ-tocopherol enhances the heat stability and/or oxidation stability of the para-methoxycinnamic ester which is an ultraviolet-absorbing substance frequently used.

REFERENCES:
patent: 4144325 (1979-03-01), Voyt
patent: 4975272 (1990-12-01), Voyt
patent: 5208012 (1993-05-01), Sudo et al.
patent: 5547658 (1996-08-01), Hansenne et al.
patent: 7-233046 (1995-09-01), None
patent: 9-104856 (1997-04-01), None
patent: WO 96/17624 (1996-06-01), None
Machine translation of JP 7-233046 May 9, 1995.
Derwent-Acc-No: 1998-003447 abstracting JP 62267214A Nov. 19, 1987 4 pages.

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