Average Co-Inventor Count = 2.86
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. Henkel Kommanditgesellschaft Auf Aktien (2 from 2,080 patents)
2. Basf Aktiengesellschaft (1 from 10,754 patents)
3. Ciba-geigy Corporation (1 from 6,858 patents)
4. Henkel Kommanditgesellschaft Auf Aktien (henkel Kgaa) (1 from 180 patents)
5 patents:
1. 5110582 - Hair-setting preparation
2. 4180084 - Cosmetic compositions containing polymeric quaternary ammonium salts
3. 4168952 - Process for dyeing human hair with diazo salts and coupling components
4. 4165967 - Process for dyeing human hair with diazo salts and coupling components
5. 4162893 - Process for dyeing human hair with diazo salts