US Patent No: 8,211,412
Number of patents in Portfolio can not be more than 2000
Method for skin whitening
Stats
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Jul 3, 2012
Issued date -
Feb 7, 2012
filing date -
13/367,577
serial no -
In Force
status
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Abstract
The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a heterocyclic compound represented by formula (1) or a pharmacologically acceptable salt thereof:
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 2003/0072,725 Topical cosmetic agents containing 2-hydrazino-1,3 -heteroazoles | 2 | 2002 | |
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| 2006/0034,786 Inhibitors of 15-hydroxyprostaglandin dehydrogenase for stimulating pigmentation of the skin or skin appendages | 4 | 2005 | |
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| 2009/0274,637 Depigmenting or Brigthening Cosmetic Composition at Least One Oxazolin as an Active Ingredient | 1 | 2006 | |
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| 4,720,488 2-phenylimino-1,3-thiazolidin-3-organophosphorus compounds having pesticidal activity | 2 | 1986 | |
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| 5,369,116 Polyfluorinated thiazoline derivative and chemical for controlling noxious organisms containing the same | 1 | 1993 | |
Patent Citation Ranking
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