Average Co-Inventor Count = 2.52
ph-index = 13
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. Wella Aktiengesellschaft (36 from 433 patents)
2. Other (1 from 832,680 patents)
3. Wella Aktiengesellschat (1 from 2 patents)
38 patents:
1. 6068835 - Cosmetic compositions for hair treatment containing dendrimers or
2. 5879669 - Aqueous hair fixing composition containing a water-soluble hair fixing
3. 5690921 - Hair fixing composition in the form of an aqueous solution, foam or gel
4. 5674476 - Process for making a persulfate-containing granulate for decolorizing or
5. 5663366 - Process for the synthesis of 4,5-diaminopyrazole derivatives useful for
6. 5542953 - 5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye compositions
7. 5534267 - Composition for the oxidative dyeing of hair containing
8. 5512276 - Composition for fixing hair based on lignin or lignin derivatives as
9. 5430159 - N-phenylaminopyrazole derivatives as well as composition and process for
10. 5424062 - Method for permanently shaping hair
11. 5409503 - Oxidation hair dye with a content of 5-aminophenyl derivatives, process
12. 5382702 - Process for the production of 5-alkoxy-2,4-dinitro-alkylbenzenes
13. 5380340 - Hair dye containing aminopyrazole derivatives as well as pyrazole
14. 5303722 - Apparatus for bleaching hair under the influence of light
15. 5279313 - Two component composition and method for bleaching hair