Inventor · Darmstadt, DE

Steven Breakspear

27Patents
1h-index
22Co-inventors
53Inventor score

Filing activity: Sep 26, 2008 → Dec 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US11324685B2 Process for treating hair Human Necessities 1 Active
US11737959B2 Two-part oxidative dyeing composition Human Necessities 0 Active
US10959925B2 Hair cosmetic composition Human Necessities 0 Active
US12383478B2 Cosmetic product for dyeing keratin fibers Human Necessities 0 Active
US11045402B2 Hair cosmetic composition Human Necessities 0 Active
US11103429B2 Process for treating hair Human Necessities 0 Active
US10398914B2 Process for treating hair Human Necessities 0 Active
US11116706B2 Bleaching composition comprising pigment and method for bleaching of keratin fibers Human Necessities 0 Active
US11110041B2 Process for permanent shaping hair Human Necessities 0 Active
US11793736B2 Dyeing composition, method, use, and kit-of-parts thereof Human Necessities 0 Active
US12383480B2 Dyeing method for keratin fibers comprising a direct azo-dye and an organic alkalizing agent, and kit-of-parts thereof Human Necessities 0 Active
US12390403B2 Aqueous oxidative composition comprising orthodiphenols or imidazolidin-2,4-dione derivatives Human Necessities 0 Active
US12409120B2 Process for permanent waving keratin fibers Human Necessities 0 Active
US12350360B2 Cosmetic product for dyeing keratin fibers Human Necessities 0 Active
US11147754B2 Powder composition comprising hair direct dyes Human Necessities 0 Active
US12337055B2 Bleaching composition for keratin fibers Human Necessities 0 Active
US10398634B2 Process for oxidative dyeing hair Human Necessities 0 Active
US12121605B2 Dyeing composition for keratin fibers comprising a direct dye and an organic alkalizing agent, method for dyeing; and kit-of-parts thereof Human Necessities 0 Active
US12220472B2 Process for reshaping keratin fibers Human Necessities 0 Active
US12357550B2 Hair dyeing composition with improved durability Human Necessities 0 Active
US12161742B2 Process for reshaping keratin fibers Human Necessities 0 Active
US12350359B2 Dyeing composition comprising direct dyes Human Necessities 0 Active
US12296034B2 Reshaping composition for keratin fibers Human Necessities 0 Active
US9040028B2 Hair cosmetic composition Human Necessities 0 Active
US12274772B2 Bleaching composition for keratin fibers Human Necessities 0 Active

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