Carnitine derivative, salt thereof, external skin...

Details Carnitine derivative, salt thereof, external skin... Carnitine derivative, salt thereof, external skin...

2006-09-21

2010-11-30

Sullivan, Daniel M (Department: 1621)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

C554S108000, C554S052000, C560S155000

Reexamination Certificate

active

07842726

ABSTRACT:
To provide novel carnitine derivatives and salts thereof that are resistant to hydrolysis in the presence of aqueous media, and also provide external skin preparations and cosmetics that are excellent in storage stability, product life, skin affinity and percutaneous absorption properties. In particular, to provide novel α-branched acyl carnitine derivatives and salts thereof, external skin preparations and cosmetics comprising specific α-branched acyl carnitine derivatives and/or salts thereof.

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