Inventor
Bernd Meinigke
Inventor
Leverkusen, DE
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes39%
A61QSpecific use of cosmetics or similar toiletry preparations39%
C07DHeterocyclic compounds10%
D06PDyeing or printing textiles6%
C07CAcyclic or carbocyclic compounds3%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%
PatentTitleYear
7,198,648'Coupling component for oxidative hair dyes'20077,135,047'M-phenylenediamine derivatives as coupler components for the coloring of keratinic fibers'20067,081,140'Developer components and their use for dyeing keratinic fibers'20066,863,698'Agent for dyeing keratin containing fibers'20056,835,211'Direct hair dyes and use thereof'20046,814,761'Direct hair colorants'20046,660,045'Hair colorant preparation'20036,635,241'Aminophenol derivatives and their use in oxidative hair dyes'20036,284,003'Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compounds and 2-chloro-6-methyl-3-aminophenol compounds'20016,203,579'Use of 1-substituted isatins to dye fibers containing keratin'20016,165,230'1,4-diazacycloheptane derivatives and their use in hair oxidation dyes'20005,752,984'Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in oxidative coloring formulations'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2007Patents assigned to HENKEL KGAA (12)· patent assignee history
1998–2001Based in Burscheid, DE· patent location history
2000–2007Based in Leverkusen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HENKEL KGAA | 12 | 1998–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leverkusen, DE | 10 | 2000–2007 |
| Burscheid, DE | 2 | 1998–2001 |