Average Co-Inventor Count = 13.00
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. Societe Nationale Elf Aquitaine (1 from 235 patents)
2. Elf Atochem North America, Inc. (1 from 194 patents)
1 patent:
1. 5274493 - Electrochromic element, materials for use in such element, processes for