Inventor · disambiguated record
Stefan Hoepfner
Also filed as: HOEPFNER STEFAN
17 granted patents·23 pending applications·60 citations·filing 1998–2024
90Inventor score
Top patents by PatentIndex Score
40 records- 0194US9993406B2Agent and method for oxidative hair coloring which are gentle on keratin fibersHENKEL AG & CO KGAA·Filed 2017·Granted Jun 12, 2018·16 cites·10 claims
- 0293US12048756B2Pigment suspension and method for dying keratinous material using the pigment suspensionHENKEL AG & CO KGAA·Filed 2020·Granted Jul 30, 2024·2 cites·11 claims
- 0392US11654095B2Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound, a modified fatty acid ester and a sealing reagent IIHENKEL AG & CO KGAA·Filed 2020·Granted May 23, 2023·3 cites·17 claims
- 0490US7294153B2Caring oxidation coloring agent in a tubeHENKEL KGAA·Filed 2006·Granted Nov 13, 2007·7 cites·19 claims
- 0585US7247173B2Tinting agent in tubesHENKEL KGAA·Filed 2006·Granted Jul 24, 2007·6 cites·19 claims
- 0685US7244277B2Oxidation colorant in a tubeHENKEL KGAA·Filed 2006·Granted Jul 17, 2007·3 cites·12 claims
- 0783US11883518B2Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compoundHENKEL AG & CO KGAA·Filed 2020·Granted Jan 30, 2024·1 cites·20 claims
- 0882US11998629B2Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymerHENKEL AG & CO KGAA·Filed 2020·Granted Jun 4, 2024·1 cites·14 claims
- 0973US2025025395A1Means for Oxidatively Dyeing Keratin FibersHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1073US2025017837A1Agent for oxidatively dyeing keratin fibersHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1173US2025025399A1Agent for oxidatively dyeing keratin fibers, containing at least one oxidation dye precursor of the developer type and isatinHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1273US2025009629A1Agent for oxidative dyeing of keratin fibers, containing isatin and at least one defined polymerHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1373US2025017838A1Agent for Oxidatively Dyeing Keratin FibersHENKEL AG & CO KGAA·Filed 2024·Application pending·0 cites
- 1470US12109291B2Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinationsHENKEL AG & CO KGAA·Filed 2023·Granted Oct 8, 2024·0 cites·20 claims
- 1562US2024358612A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound, a sealing reagent and a post-treatment agentHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 1661US12178897B2Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinationsHENKEL AG & CO KGAA·Filed 2023·Granted Dec 31, 2024·0 cites·17 claims
- 1761US12102704B2Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinationsHENKEL AG & CO KGAA·Filed 2023·Granted Oct 1, 2024·0 cites·20 claims
- 1861US12097274B2Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinationsHENKEL AG & CO KGAA·Filed 2023·Granted Sep 24, 2024·0 cites·20 claims
- 1959US12485077B2Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a post-treatment agentHENKEL AG & CO KGAA·Filed 2020·Granted Dec 2, 2025·0 cites·14 claims
- 2059US2023149278A1Method for dyeing keratin material, comprising the use of an organosilicon compound, a polysaccharide, a coloring compound and a post-treatment agentHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 2157US6485528B1Agents for treating keratin fibersSCHWARZKOPF GMBH HANS·Filed 1998·Granted Nov 26, 2002·21 cites·9 claims
- 2256US2023372216A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound, a sealing reagent and a pre-treatment agentHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 2353US2023181442A1Method for dyeing keratin material, comprising the use of an organosilicon compound, hyaluronic acid (salt), a dyeing compound and a post-treatment agentHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 2453US2023181435A1Pigment suspension and cosmetic agent prepared using the pigment suspensionHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 2553US2023139468A1Method for dyeing keratin material, comprising the use of an organosilicon compound, a glycerol ester, a coloring compound and a post-treatment agentHENKEL AG & CO KGAA·Filed 2021·Application pending·0 cites
- 2652US2023046963A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a pre-treatment agentHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 2752US2023069450A1Pigment suspension and cosmetic agent prepared by using the pigment suspensionHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 2852US2023046278A1Method for colouring keratin material, comprising the use of an organic c1-c6 alkoxysilane and two structurally different cellulose typesHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 2950US2022218582A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound, a modified fatty acid ester and a sealing reagent iHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3050US2022313582A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound and a film-forming polymer iiHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3150US2022226221A1Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound and a film-forming polymer iHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3249US2022142904A1A method of coloring keratinous material comprising the use of an organosilicon compound, a coloring compound, a sealing reagent, and a mixture of siliconesHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3349US2022142905A1Cosmetic product containing a mixture of siliconesHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3449US2022151901A1A method of coloring keratinous material comprising the use of an organosilicon compound, a coloring compound, and a mixture of siliconesHENKEL AG & CO KGAA·Filed 2020·Application pending·0 cites
- 3548US10596097B2Method for multi-tonal color modification of keratinous fibersHENKEL AG & CO KGAA·Filed 2016·Granted Mar 24, 2020·0 cites·20 claims
- 3645US10667998B2Odor-reduced bleachingHENKEL AG & CO KGAA·Filed 2016·Granted Jun 2, 2020·0 cites·16 claims
- 3744US2018369614A1Hair treatment kit having a skin protection meansHENKEL AG & CO KGAA·Filed 2016·Application pending·0 cites
- 3843US2017165161A1Oxidizing agent for the oxidative coloring and blonding treatment of keratin fibers having a reduced damaging effectHENKEL AG & CO KGAA·Filed 2016·Application pending·0 cites
- 3942US10265252B2Odor-reducing developer for oxidation dyesHENKEL AG & CO KGAA·Filed 2015·Granted Apr 23, 2019·0 cites·20 claims
- 4041US2019038529A1Odor-reducing developer for oxidation dyes iiHENKEL AG & CO KGAA·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →