Average Co-Inventor Count = 4.00
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. Elf Atochem S.a. (1 from 456 patents)
1 patent:
1. 5993629 - Regenerating of acids, particularly of strong organic acids, using