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. Elf Atochem S.a. (2 from 456 patents)
2 patents:
1. 6087020 - Film having low permeability to hydrocarbons
2. 6068934 - Sandwich structure comprising outer films having low permeability to