Average Co-Inventor Count = 4.00
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 Nationale Elf Aquitaine (production) (2 from 215 patents)
2 patents:
1. 4859373 - Process for the production of alkanesulphonic acids
2. 4735747 - Process and apparatus for the photochemical sulphochlorination of