L'Oreal
🏢 View company profile →4,992Patents
2,368Active
4,992Granted
56Portfolio score
Filing activity: Sep 2, 1970 → Jul 1, 2024 · 482 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6099592A | Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation | Chemistry; Metallurgy | 333 | Expired |
| US4217914A | Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin | Emerging Cross-Sectional Technologies | 293 | Expired |
| US4240450A | Composition and process for the treatment of keratin materials with polymers | Emerging Cross-Sectional Technologies | 256 | Expired |
| US4217344A | Compositions containing aqueous dispersions of lipid spheres | Emerging Cross-Sectional Technologies | 253 | Expired |
| US4823985A | Forming in situ a composition consisting of two separately packaged constituents and dispensing assembly for carrying out this process | Human Necessities | 247 | Expired |
| US4197865A | Treating hair with quaternized polymers | Emerging Cross-Sectional Technologies | 247 | Expired |
| US4172887A | Hair conditioning compositions containing crosslinked polyaminopolyamides | Emerging Cross-Sectional Technologies | 239 | Expired |
| US4422853A | Hair dyeing compositions containing quaternized polymer | Emerging Cross-Sectional Technologies | 229 | Expired |
| US5089252A | Cosmetic composition for treating keratin fibres, and process for treating the latter | Human Necessities | 225 | Expired |
| US6338741B1 | Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation | Chemistry; Metallurgy | 216 | Expired |
| US4839166A | Cosmestic compositions containing a cationic polymer and an anionic polymer as thickening agent | Emerging Cross-Sectional Technologies | 210 | Expired |
| US4710374A | Cosmetic composition containing cationic polymers and anionic latexes | Emerging Cross-Sectional Technologies | 173 | Expired |
| US4591610A | Thickened or gelled composition for conditioning hair | Human Necessities | 159 | Expired |
| US4761273A | Composition in the form of an aerosol foam, based on a cationic polymer and an anionic polymer | Human Necessities | 159 | Expired |
| US4957732A | Shaving composition for the skin based on polyorgano-siloxanes containing an acyloxyalkyl group and process for use | Human Necessities | 155 | Expired |
| US3958581A | Cosmetic composition containing a cationic polymer and divalent metal salt for strengthening the hair | Emerging Cross-Sectional Technologies | 154 | Expired |
| US4996059A | Composition for the treatment of keratin fibers, based on amphoteric polymer and cationic polymer | Emerging Cross-Sectional Technologies | 150 | Expired |
| US4445521A | Composition and process for the treatment of keratin materials with polymers | Emerging Cross-Sectional Technologies | 148 | Expired |
| US4792062A | Package for two pressurized receptacles | Performing Operations; Transporting | 147 | Expired |
| US5753241A | Transparent nanoemulsion less than 100 NM based on fluid non-ionic amphiphilic lipids and use in cosmetic or in dermopharmaceuticals | Human Necessities | 145 | Expired |
| US5658575A | Cosmetic or dermatological composition comprising an oil-in-water emulsion based on oily globules provided with a lamellar liquid crystal coating | Human Necessities | 140 | Expired |
| US5695747A | Cosmetic composition containing a mixture of metal oxide nanopigments and melanine pigments | Human Necessities | 140 | Expired |
| US5262407A | Use of salicylic derivatives for the treatment of skin aging | Human Necessities | 139 | Expired |
| US5009880A | Composition and process for the treatment of keratin materials with polymers | Emerging Cross-Sectional Technologies | 139 | Expired |
| US4719099A | Composition and process for the treatment of keratin materials with polymers | Emerging Cross-Sectional Technologies | 139 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.