Average Co-Inventor Count = 2.70
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Henkel Kommanditgesellschaft Auf Aktien (43 from 2,080 patents)
2. Henkel Kommanditgesellschaft Auf Aktien (henkel Kgaa) (3 from 180 patents)
3. Wella Aktiengesellschaft (1 from 433 patents)
4. Henkel Ag & Company, Kgaa (2,018 patents)
47 patents:
1. 6863698 - Agent for dyeing keratin containing fibers
2. 6835211 - Direct hair dyes and use thereof
3. 6828443 - Dyes and colorants
4. 6814761 - Direct hair colorants
5. 6743263 - Method for coloring keratin fibers
6. 6736862 - Indole/indoline based hybrid dyes and indole/indoline based hybrid dye intermediate products
7. 6635241 - Aminophenol derivatives and their use in oxidative hair dyes
8. 6630003 - Colouring agents with enzymes
9. 6406501 - Oxidation colorants
10. 6284003 - Oxidation colorants comprising 2-(2,5-diaminophenyl)-ethanol compounds and 2-chloro-6-methyl-3-aminophenol compounds
11. 6203579 - Use of 1-substituted isatins to dye fibers containing keratin
12. 616523 - 1,4-diazacycloheptane derivatives and their use in hair oxidation dyes
13. 6165230 - 1,4-diazacycloheptane derivatives and their use in hair oxidation dyes
14. 5891199 - Polymer dyestuffs and their use for dyeing fibres
15. 5752984 - Use of 1,2,3,4-tetrahydroquinoxalines as oxidation dye precursors in