Inventor
GIESA HELMUT
DE12 patents
⚠️ This page may combine multiple inventors who share the name “GIESA HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL AG & CO KGAA
11 patentsUS10821063B2Nov 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
US9889321B2Feb 13, 2018
Agents for dyeing keratin fibers, containing at least one dimeric, ring-bridged azo dye
HENKEL AG & CO KGAA1 citations50
US10004674B2Jun 26, 2018
Substituted p-phenylenediamines as new oxidation dye precursor products of the developer type
HENKEL AG & CO KGAA0 citations44
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
US8551191B2Oct 8, 2013
Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibers
HENKEL AG & CO KGAA0 citations40
US10226647B2Mar 12, 2019
Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic surfactant
HENKEL AG & CO KGAA0 citations39
US9636288B2May 2, 2017
Means for oxidative dyeing of keratin fibers containing novel tetra-substituted derivatives of pyrimidine
HENKEL AG & CO KGAA0 citations39
US9364407B2Jun 14, 2016
Hair dye agent comprising aminopyrimidine derivatives
HENKEL AG & CO KGAA0 citations38
US9364408B2Jun 14, 2016
Hair dye agent comprising aminopyrimidine derivatives
HENKEL AG & CO KGAA0 citations32