N'Guyen; Quang L.

Patent Applications and Registrations

Patent applications and USPTO patent grants for N'Guyen; Quang L..The latest application filed is for "utilization of derivatives of 2,5 dihydroxyphenyl-carboxylic acid amides and their salts in preparation of a cosmetic or dermatological composition with a depigmenting action".

Company Profile

0.9.0

N'Guyen; Quang L. - Antony FR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Utilization of derivatives of 2,5 dihydroxyphenyl-carboxylic acid amides and their salts in preparation of a cosmetic or dermatological composition with a depigmenting action Grant 5,587,173 - Junino , et al. December 24, 1	1996-12-24
Dermatological glutathione alkyl ester composition and a process for topical treatment Grant 5,516,507 - N'Guyen , et al. May 14, 1	1996-05-14
Cosmetic or dermopharmaceutical composition containing, in combination, a lauroylmethionate of a basic amino acid and at least one polyphenol Grant 5,431,912 - N'Guyen July 11, 1	1995-07-11
Anti-free radical topical composition based on dismutase superoxide and a phosphonic derivative Grant 5,352,438 - N'Guyen , et al. October 4, 1	1994-10-04
Anti-oxidant system containing stabilized ascorbyl ester, tocopherol or cafeic acid or a derivative thereof, a complexing agent and a polypeptide, and compositions containing the anti-oxidant system Grant 5,114,716 - N'Guyen , et al. May 19, 1	1992-05-19
Antioxidant system based on an ascorbyl ester in combination with a complexing agent and a thiol and to compositions containing the same Grant 5,023,235 - N'Guyen , et al. June 11, 1	1991-06-11
Emulsifying system based on a fatty acid or a protein condensate, a polyoxyethylenated sterol and a phosphatide, and a cosmetic or pharmaceutical composition containing the same Grant 4,537,782 - Millet , et al. August 27, 1	1985-08-27
Copper lanolate and anti-acne compositions containing the same for topical application to the skin Grant 4,486,448 - Ser , et al. December 4, 1	1984-12-04
Emulsions of the water-in-oil type useable as cosmetic supports or pharmaceutical excipients Grant 4,422,952 - Koulbanis , et al. December 27, 1	1983-12-27

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