Inventor · disambiguated record
Quang L. N'Guyen
Also filed as: N GUYEN QUANG L · N GUYEN QUANG LAN
22 granted patents·693 citations·filing 1980–1999
96Inventor score
Files withOREAL22
Top patents by PatentIndex Score
22 records- 0196US5686082ACosmetic or pharmaceutical composition containing a combination of a polyphenol and a ginkgo extractOREAL·Filed 1993·Granted Nov 11, 1997·197 cites·14 claims
- 0283US5516507ADermatological glutathione alkyl ester composition and a process for topical treatmentOREAL·Filed 1994·Granted May 14, 1996·67 cites·10 claims
- 0382US5547658ACosmetic composition containing melaninlike pigments in combination with certain tocopherols, and process for protecting the skin, hair, mucosae and cosmetic compositionsOREAL·Filed 1993·Granted Aug 20, 1996·52 cites·16 claims
- 0479US6316012B1Cosmetic or pharmaceutical composition comprising, in combination, a peroxidase and an anti-singlet oxygen agentOREAL·Filed 1999·Granted Nov 13, 2001·46 cites·11 claims
- 0579US4437895AMixture of vegetable oils based on jojoba oil and cosmetic compositions comprising the mixtureOREAL·Filed 1982·Granted Mar 20, 1984·48 cites·10 claims
- 0677US5431912ACosmetic or dermopharmaceutical composition containing, in combination, a lauroylmethionate of a basic amino acid and at least one polyphenolOREAL·Filed 1993·Granted Jul 11, 1995·28 cites·7 claims
- 0777US5352438AAnti-free radical topical composition based on dismutase superoxide and a phosphonic derivativeOREAL·Filed 1992·Granted Oct 4, 1994·33 cites·11 claims
- 0876US5164185APharmaceutical and cosmetic depigmentation compositions with a caffeic acid baseOREAL·Filed 1990·Granted Nov 17, 1992·38 cites·19 claims
- 0973US4537782AEmulsifying system based on a fatty acid or a protein condensate, a polyoxyethylenated sterol and a phosphatide, and a cosmetic or pharmaceutical composition containing the sameOREAL·Filed 1983·Granted Aug 27, 1985·29 cites·15 claims
- 1071US5023235AAntioxidant system based on an ascorbyl ester in combination with a complexing agent and a thiol and to compositions containing the sameOREAL·Filed 1988·Granted Jun 11, 1991·34 cites·16 claims
- 1167US5449518AUtilization of derivatives of 2,5-dihydroxyphenyl-carboxylic acids, their homologs, and their salts in preparation of a cosmetic or dermatological composition with a depigmenting actionOREAL·Filed 1992·Granted Sep 12, 1995·21 cites·7 claims
- 1265US5114716AAnti-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 systemOREAL·Filed 1989·Granted May 19, 1992·25 cites·19 claims
- 1356US4422952AEmulsions of the water-in-oil type useable as cosmetic supports or pharmaceutical excipientsOREAL·Filed 1980·Granted Dec 27, 1983·14 cites·8 claims
- 1455US4486448ACopper lanolate and anti-acne compositions containing the same for topical application to the skinOREAL·Filed 1982·Granted Dec 4, 1984·19 cites·19 claims
- 1551US5925363ACosmetic composition containing, in combination, a superoxide-dismutase and a melanin pigmentOREAL·Filed 1994·Granted Jul 20, 1999·15 cites·28 claims
- 1649US5587173AUtilization of derivatives of 2,5 dihydroxyphenyl-carboxylic acid amides and their salts in preparation of a cosmetic or dermatological composition with a depigmenting actionOREAL·Filed 1995·Granted Dec 24, 1996·8 cites·7 claims
- 1748US5250513AAntioxidant system based on a basic amino acid in combination with a tocopherol or derivative thereof and a nonthiolated polypeptide, and compositions containing the sameOREAL·Filed 1991·Granted Oct 5, 1993·7 cites·10 claims
- 1847US5587171ACosmetic of dermopharmaceutical composition containing, in combination, a lauroylmethionate of a basic amino acid and at least one polyphenolOREAL·Filed 1995·Granted Dec 24, 1996·6 cites·11 claims
- 1934US5667792ADerivatives of 2,5-dihydroxyphenylcarboxylic acids, and their utilization in cosmetic or dermatological compositions with a depigmenting actionOREAL·Filed 1996·Granted Sep 16, 1997·1 cites·10 claims
- 2034US5585105AUtilization of derivatives of 2,5-dihydroxyphenylcarboxylic acids, their homologs, and their salts in preparation of a cosmetic or dermatological composition with a depigmenting actionOREAL·Filed 1995·Granted Dec 17, 1996·2 cites·8 claims
- 2132US5637756ADerivatives of 2,5-dihydroxyphenylcarboxylic acidOREAL·Filed 1995·Granted Jun 10, 1997·1 cites·2 claims
- 2231US5730962ADepigmenting cosmetic or dermatologic composition containing a benzofuran derivative and its use in depigmentating skinOREAL·Filed 1992·Granted Mar 24, 1998·2 cites·7 claims
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