Average Co-Inventor Count = 3.00
ph-index = 3
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 (3 from 433 patents)
3 patents:
1. 6773463 - Agent and method for dyeing keratin fibers
2. 6749645 - Use of 4-nitro-2,1,3,-benzoxadiazole derivatives as dyes in coloring agents for keratin fibres
3. 6570019 - Cationic pyrrolo-pyrrol-derivatives, method for producing them and colorants for keratin fibers, containing these compounds