Inventor
KROOS ASTRID
DE24 patents
⚠️ This page may combine multiple inventors who share the name “KROOS ASTRID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL AG & CO KGAA
19 patentsUS11534106B2Dec 27, 2022
Method for determining a user-specific hair treatment
HENKEL AG & CO KGAA2 citations72
US10561594B2Feb 18, 2020
Agent for stabilizing keratin fibers with 5-ring heterocycles
HENKEL AG & CO KGAA2 citations72
US11202742B2Dec 21, 2021
Product for lightening hair, containing special oxo-carboxylic acids
HENKEL AG & CO KGAA2 citations71
US10955344B2Mar 23, 2021
Method and device for determining a degree of damage to hair
HENKEL AG & CO KGAA2 citations69
US8668745B2Mar 11, 2014
Brightening agent comprising acylpyridinium compounds and defined alkalizing agents
HENKEL AG & CO KGAA2 citations61
US9827180B2Nov 28, 2017
Agents for oxidatively dyeing hair, containing specific combinations of developers and couplers
HENKEL AG & CO KGAA0 citations51
US8349023B2Jan 8, 2013
After treatment for color fixation
HENKEL AG & CO KGAA0 citations51
US10821063B2Nov 3, 2020
Method for decolorizing dyed keratinic fibers
HENKEL AG & CO KGAA0 citations50
US10251826B2Apr 9, 2019
Alkaline agent for lightening hair containing oxidants and special carboxylic acid esters
HENKEL AG & CO KGAA0 citations50
US8597371B2Dec 3, 2013
Lightening agent comprising acyl pyridinium compounds and cationic polysaccharides
HENKEL AG & CO KGAA0 citations50
US9259380B2Feb 16, 2016
Means for dyeing and/or matting keratinic fibres containing novel 1,4 diaminoanthraquinone dyes
HENKEL AG & CO KGAA1 citations49
US11857332B2Jan 2, 2024
Determination of a degree of elongation of hair using a NIR sensor
HENKEL AG & CO KGAA0 citations48
US12121133B2Oct 22, 2024
Method for determining a greyness level of a strand of hair
HENKEL AG & CO KGAA0 citations47
US10617618B2Apr 14, 2020
Agent for oxidative dyeing of hair containing anisole derivatives
HENKEL AG & CO KGAA0 citations40
US10413498B2Sep 17, 2019
Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant
HENKEL AG & CO KGAA0 citations40
US10406089B2Sep 10, 2019
Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern
HENKEL AG & CO KGAA0 citations40
US9707168B2Jul 18, 2017
Means for the oxidative dyeing of hair containing specific combinations of developers and couplers
HENKEL AG & CO KGAA0 citations40
US8551191B2Oct 8, 2013
Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibers
HENKEL AG & CO KGAA0 citations40
US8864849B1Oct 21, 2014
Anionic azo dyestuffs for coloring keratin-containing fibers
HENKEL AG & CO KGAA0 citations39
GROSS WIBKE
5 patentsUS8328879B2Dec 11, 2012
Phthalimides as bleach activators
GROSS WIBKE8 citations82
US8323356B2Dec 4, 2012
Sulfonimines as bleaching activators
GROSS WIBKE6 citations69
US8821592B1Sep 2, 2014
Oxidation dye precursors
GROSS WIBKE2 citations61
US8277517B2Oct 2, 2012
Lightening agent having cationic acylpyridinium derivatives and certain amino acids
GROSS WIBKE0 citations40
US8277516B2Oct 2, 2012
Lightening agent having cationic acylpyridinium derivatives and certain ammonium compounds
GROSS WIBKE0 citations40