Prem Chandar
29Patents
8h-index
61Co-inventors
78Inventor score
Filing activity: Apr 28, 1995 → Feb 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7659233B2 | Personal care compositions with silicones and dihydroxypropyl trialkyl ammonium salts | Human Necessities | 44 | Active |
| US6869598B2 | Stabilization of sunscreens in cosmetic compositions | Human Necessities | 26 | Expired |
| US5744148A | Stabilization of an unstable retinoid in oil-in-water emulsions for skin care compositions | Human Necessities | 19 | Expired |
| US5476671A | Synthetic ceramides and their use in cosmetic compostions | Human Necessities | 15 | Expired |
| US6991799B2 | Non-sticky cosmetic moisturizer for skin and hair | Human Necessities | 14 | Expired |
| US7282471B2 | Personal care compositions with glycerin and hydroxypropyl quaternary ammonium salts | Human Necessities | 13 | Expired |
| US6585984B1 | Dual composition cosmetic product with a concentration sensitive and an incompatible active respectively placed within first and second compositions | Human Necessities | 12 | Expired |
| US5811112A | Oil-in-water cosmetic emulsions containing a stabilized protease | Human Necessities | 9 | Expired |
| US7351417B2 | Silky feel cosmetic emulsion chassis | Human Necessities | 8 | Expired |
| US7695726B2 | Pigmented cosmetic composition exhibiting radiance with soft focus | Human Necessities | 8 | Active |
| US10144908B2 | Liquid soap having enhanced antibacterial activity | Chemistry; Metallurgy | 7 | Active |
| US7799746B2 | Beauty wash product bar compositions delivering enhanced visual benefits to the skin with specific optical attributes | Human Necessities | 6 | Expired |
| US6979452B2 | Low pH, high skin friction cosmetic creams | Human Necessities | 5 | Expired |
| US8114824B1 | Compositions comprising fatty acyl isethionate surfactant product, alkanoyl compounds and triglycerides with low level of hydrogenation | Human Necessities | 5 | Active |
| US7442674B2 | Beauty wash product compositions delivering enhanced visual benefits to the skin with specific optical attributes | Human Necessities | 4 | Expired |
| US8501808B2 | Foam enhancement of fatty acyl glycinate surfactants | Human Necessities | 3 | Active |
| US6949247B2 | Stable skin care compositions containing a retinoid and a retinoid booster system | Human Necessities | 3 | Expired |
| US7446081B2 | Rinse-off facial wash compositions delivering enhanced whitening using submicron titanium oxide, optional modifier and deposition system | Human Necessities | 3 | Expired |
| US6881414B2 | Mild cosmetic composition with stabilized retinoids | Human Necessities | 2 | Expired |
| US8206754B2 | Personal care composition with cocoa butter and dihydroxypropyl ammonium salts | Human Necessities | 0 | Active |
| US11414632B2 | Soap bar with improved perfume impact and deposition of actives | Chemistry; Metallurgy | 0 | Active |
| US11975085B2 | Non-soap liquid cleanser composition comprising anionic surfactant, caprylic acid, and non-ionic molecule | Human Necessities | 0 | Active |
| US11607377B2 | Non-soap liquid cleanser composition comprising caprylic acid | Human Necessities | 0 | Active |
| US7361364B2 | Cosmetic composition | Human Necessities | 0 | Expired |
| US11458080B2 | Compositions comprising specific surfactants and high levels of glycerin | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.