Inventor · Appen, DE

Thomas Hippe

16Patents
3h-index
16Co-inventors
49Inventor score

Filing activity: Aug 25, 2016 → Feb 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9993406B2 Agent and method for oxidative hair coloring which are gentle on keratin fibers Human Necessities 14 Active
US10987291B2 Gentle agents and methods for oxidative dyeing using selected dicarboxylic acids Human Necessities 6 Active
US9980891B2 Agent and method for oxidative hair coloring or bleaching, which are gentle on hair Human Necessities 4 Active
US10293191B2 Hair-conditioning agent and method for oxidative hair dyeing with improved brightening performance Human Necessities 2 Active
US10143646B2 Oxidative coloring or blonding agent gentle on hair, and gentle hair coloring or blonding method Human Necessities 2 Active
US11654095B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, a chromophoric compound, a modified fatty acid ester and a sealing reagent II Human Necessities 1 Active
US12048756B2 Pigment suspension and method for dying keratinous material using the pigment suspension Human Necessities 1 Active
US11033472B2 Hair-care agent and method for oxidative hair dying or bleaching with selected dicarboxylic acids Human Necessities 0 Active
US12097274B2 Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations Human Necessities 0 Active
US12290584B2 Hair dyeing method using natural dyes and metal salt Human Necessities 0 Active
US12102704B2 Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations Human Necessities 0 Active
US12109291B2 Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations Human Necessities 0 Active
US11883518B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, an hydroxycarboxylic acid ester, a diol and a dyeing compound Human Necessities 0 Active
US10869816B2 Powder additive to reduce the damage of bleaching and colouring agents Human Necessities 0 Active
US12178897B2 Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations Human Necessities 0 Active
US11998629B2 Method for dyeing keratinous material, comprising the use of an organosilicon compound, an effect pigment and a film-forming polymer Human Necessities 0 Active

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