Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-03-28
2006-03-28
Kim, Vickie (Department: 1618)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C424S063000
Reexamination Certificate
active
07019029
ABSTRACT:
Skin whitening compositions contain at least one α-hydroxytetronic derivative such as diphenyl hydroxytetronic acid. Some embodiments contain adjunct ingredients that enhance the efficacy and stability of skin whitening formulations such as a tetronic acid derivative that inhibits tyrosinase or tyrosine phosphatase, hydroquinone, an α-hydroxy acid such as glycolic acid, and a fatty acid ester of ascorbic acid such as ascorbyl palmitate.
REFERENCES:
patent: 3620744 (1971-11-01), Fribourg et al.
patent: 5262153 (1993-11-01), Mishima et al.
patent: 5427775 (1995-06-01), Sakai et al.
patent: 5547817 (1996-08-01), Okada et al.
patent: 5602259 (1997-02-01), Boo et al.
patent: 5654336 (1997-08-01), Yu et al.
patent: 5747006 (1998-05-01), Dornoff et al.
patent: 5932612 (1999-08-01), Gordon et al.
patent: 5980904 (1999-11-01), Leverett et al.
patent: 6010685 (2000-01-01), Ziemniak et al.
patent: 6057360 (2000-05-01), Gordon et al.
patent: 6068834 (2000-05-01), Kvalnes et al.
patent: 6077503 (2000-06-01), Dornoff
patent: 6139854 (2000-10-01), Kawato
patent: 6265436 (2001-07-01), Appere et al.
patent: 6417226 (2002-07-01), Perricone
patent: 946327 (1956-07-01), None
patent: 279793 (1994-08-01), None
Kikuchi e tal, Whitening cosmetic, Patent abstract(Japan), JP 04-149113, May 1992, see entire abstract.
Morizaki et al, Ascorbic acid-arbutin combination or . . . , Patent abstract(Japan), JP 08-188592, Jul. 1996, see entire abstract.
Kobayashi et al., Phospholipidic ascorbic acid derivative and skin . . . , Patent abstract(Japan), JP 04-247011, Sep. 1992, see entire abstract.
Daniel et al., Melanin and celluar reactions to ultraviolet radiation, Database CAPLUS, AN 1972:111271(abstract only), Nature(London), New biology, 1972, vol. 235(57), pp. 147-149.
Moll I., Photo-induced epidermal alterations and principles of therapy, Database EMBASE, AN:1999221136, (abstract only), Aktuelle Dermatologie, 1999, vol. 25/6, pp. 174-177.
Postaire et al., Evidence for antioxidant nutrients-induced pigmentation in skin: results of a clinical trail, Biochemistry(abstract only), 1997, vol. 42(5), pp. 1023-1033.
Gaspwska et al., Redox reaction between amino . . . , European Journal of Chemistry, (abstract only) 2002, vol. 269(16), pp. 4098-4104.
Johnson et al., Melanin and cellular reactions to ultraviolet radiation, Nature(London), New Biology(1972), 235(71), pp. 147-149.
Christensen et al., UVA protection by a melanin-containing sunscreen . . . sunburn cell assay., Melanin:ITs role in human Photoprotection, A Melanin symposium, Washingto DC, Mar. 11-12, 1994 (1995), pp. 285-290 and 292-293, abstract only.
DiLabio, G.A., and Wright, J.S., Free Rad. Biol. & Med. 29: 480-485 (2000).
Mak, I.T., et al. Biochem. Pharm. 55: 1921-1926 (1998).
Morganti, P., et al., abstract of J. Appl. Cosmetol. 17: 144-153 (1999).
Roomi, M., et al., abstract of Cancer Lett. 122: 93-99 (1998).
Sodeoka, M., et al., J. Med. Chem. 44: 3216-3222 (2001).
Willis, I., Supplement to Skin & Aging, Nov. 2000 pp. 17-21.
Kim Vickie
St. Onge Steward Johnston & Reens LLC
LandOfFree
Skin whiteners containing hydroxytetronic acid derivatives does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Skin whiteners containing hydroxytetronic acid derivatives, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Skin whiteners containing hydroxytetronic acid derivatives will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3563609