Average Co-Inventor Count = 2.40
ph-index = 2
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. Societe Francaise Hoechst (2 from 88 patents)
2 patents:
1. 4590249 - Cationic ampholytic tetrapolymers and cosmetic compositions containing
2. 4590228 - Injection composition for filling or reinforcing grounds