Quang Lan Nguyen
17Patents
9h-index
14Co-inventors
69Inventor score
Filing activity: Dec 30, 1994 → Jul 17, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5607921A | Stabilized cosmetic or dermatological composition containing several precursors of the same active agent in order to maximize its release, and use thereof | Human Necessities | 40 | Expired |
| US6103247A | Composition containing a non-photocatalytic metal oxide and tocopherol, its use in the cosmetics and/or dermatological field and processes employing it | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5961993A | Composition containing a non-photocatalytic metal oxide and tocopherol, its use in the treatment of acne | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5569663A | Use of a spin trap in a cosmetic or dermatological composition | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5910311A | Composition containing a non-photocatalytic metal oxide and tocopherol, its use in the cosmetics and/or dermatological field and processes employing it | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6162448A | Combination of a retinoid with a polyamine polymer | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5679691A | Use of a spin trap in a cosmetic or dermatological composition | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6344206B1 | Combination of a retinoid with a polyamine polymer | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5650137A | Cosmetic composition containing a superoxide dismutase and a porphyrin | Human Necessities | 9 | Expired |
| US5932608A | Melatonin derivative dermocosmetic compositions for whitening/depigmenting the skin | Human Necessities | 7 | Expired |
| US6110476A | System for stabilizing ascorbic acid based on a phosphonic acid derivative and on a metabisulfite | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5695771A | Composition containing a non-photocatalytic metal oxide and tocopherol its use in treating light induced signs of aging | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5589179A | Composition containing a non-photocatalytic metal oxide and tocopherol, its use in the cosmetics and/or dermatological field and processes employing it | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9827311B2 | Combination of a light ray with a cytochrome C oxidase substrate particularly for improving the appearance of the skin and/or hair | Chemistry; Metallurgy | 1 | Active |
| US9119798B2 | Combination of a light ray with a cytochrome C oxidase substrate particularly for improving the appearance of the skin and/or hair | Chemistry; Metallurgy | 0 | Active |
| US8084268B2 | Method of evaluating the potential of the skin for scavenging free radicals | Physics | 0 | Active |
| US9750675B2 | Use of green light to activate L-amino acid oxidase | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.