Average Co-Inventor Count = 8.89
ph-index = 1
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. Basf Aktiengesellschaft (2 from 10,754 patents)
2 patents:
1. 5753775 - Sulfonated and oxidized indene polymers
2. 5186846 - Dye dispersants: aryl sulphonic acid-formaldehyde condensate or