Inventor · Dressendorf, DE

Ulrike Schumacher

26Patents
1h-index
19Co-inventors
50Inventor score

Filing activity: Mar 12, 2014 → Feb 20, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11291622B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil Human Necessities 2 Active
US11938211B2 Process for coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer I Human Necessities 1 Active
US11890366B2 Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and a copolymer of styrene and maleic acid (anhydride) Human Necessities 1 Active
US11992546B2 Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi Human Necessities 1 Active
US12090222B2 Method for dyeing keratin material, comprising the use of an organosilicon compound, two dyeing compounds and a post-treatment agent Human Necessities 1 Active
US11701318B2 Process of dyeing keratinous material comprising the use of an organosilicon compound, an effect pigment, and a film-forming polymer I Human Necessities 1 Active
US11896701B2 Method for dyeing keratin material, comprising the use of an organic C1-C6 alkoxy silane and tannic acid Human Necessities 1 Active
US11744789B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent III Human Necessities 1 Active
US11504321B2 Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer II Human Necessities 1 Active
US11918665B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a sealing reagent I Human Necessities 1 Active
US11826586B2 Method for dyeing keratin material, comprising the use of an organic C1-C6-alkoxy-silane and an alkalising agent Human Necessities 1 Active
US9034056B2 Foam dyeing agent for keratinous fibers with improved color uptake Performing Operations; Transporting 1 Active
US10780035B2 Oxidative hair dyeing agent having reduced hair damage and improved dyeing properties Human Necessities 0 Active
US12220470B2 Pigment suspension and cosmetic agent prepared using the pigment suspension Human Necessities 0 Active
US10322079B2 Hair dye Human Necessities 0 Active
US12201712B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a phosphoric acid ester and a dyeing compound Human Necessities 0 Active
US12357554B2 Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent VI Human Necessities 0 Active
US11737967B2 Increasing the stability of agents for treating keratin material Human Necessities 0 Active
US12357549B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound, a sealing reagent, and a pre-treatment agent Human Necessities 0 Active
US11504319B2 Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, a further coloring compound and a film-forming polymer III Human Necessities 0 Active
US12329849B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound, a sealing reagent, and a polymer-containing post-treatment agent Human Necessities 0 Active
US12233147B2 Method for treating keratin material Human Necessities 0 Active
US12377034B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer II Human Necessities 0 Active
US11331258B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, an oligoalkylsiloxane and a dyeing compound Human Necessities 0 Active
US9839596B2 Oxidation dye with reduced hair damage Human Necessities 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.