Inventor
MANNECK HARTMUT
DE28 patents
⚠️ This page may combine multiple inventors who share the name “MANNECK HARTMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HENKEL AG & CO KGAA
20 patentsUS10987291B2Apr 27, 2021
Gentle agents and methods for oxidative dyeing using selected dicarboxylic acids
HENKEL AG & CO KGAA6 citations82
US9993406B2Jun 12, 2018
Agent and method for oxidative hair coloring which are gentle on keratin fibers
HENKEL AG & CO KGAA16 citations82
US10293191B2May 21, 2019
Hair-conditioning agent and method for oxidative hair dyeing with improved brightening performance
HENKEL AG & CO KGAA2 citations71
US9980891B2May 29, 2018
Agent and method for oxidative hair coloring or bleaching, which are gentle on hair
HENKEL AG & CO KGAA4 citations71
US11033472B2Jun 15, 2021
Hair-care agent and method for oxidative hair dying or bleaching with selected dicarboxylic acids
HENKEL AG & CO KGAA0 citations61
US8668745B2Mar 11, 2014
Brightening agent comprising acylpyridinium compounds and defined alkalizing agents
HENKEL AG & CO KGAA2 citations61
US10918581B2Feb 16, 2021
Oxidation agent preparations
HENKEL AG & CO KGAA0 citations59
US12178897B2Dec 31, 2024
Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations
HENKEL AG & CO KGAA0 citations58
US12109291B2Oct 8, 2024
Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations
HENKEL AG & CO KGAA0 citations58
US12102704B2Oct 1, 2024
Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations
HENKEL AG & CO KGAA0 citations58
US12097274B2Sep 24, 2024
Oxidative dyeing agent for keratin fibers comprising novel dye precursor combinations
HENKEL AG & CO KGAA0 citations58
US8597371B2Dec 3, 2013
Lightening agent comprising acyl pyridinium compounds and cationic polysaccharides
HENKEL AG & CO KGAA0 citations50
US8882855B2Nov 11, 2014
Gel-based oxidation colorant including an emulsifier combination and thickener
HENKEL AG & CO KGAA1 citations48
US10835471B2Nov 17, 2020
Method for dyeing keratin fibers
HENKEL AG & CO KGAA0 citations47
US12290584B2May 6, 2025
Hair dyeing method using natural dyes and metal salt
HENKEL AG & CO KGAA0 citations46
US10667998B2Jun 2, 2020
Odor-reduced bleaching
HENKEL AG & CO KGAA0 citations41
US10596097B2Mar 24, 2020
Method for multi-tonal color modification of keratinous fibers
HENKEL AG & CO KGAA0 citations41
US8025704B2Sep 27, 2011
Matting additive for blond hair dyeing
HENKEL AG & CO KGAA0 citations41
US10265252B2Apr 23, 2019
Odor-reducing developer for oxidation dyes
HENKEL AG & CO KGAA0 citations40
US10624825B2Apr 21, 2020
Method for homogenously dyeing keratinous fibers
HENKEL AG & CO KGAA0 citations38