Average Co-Inventor Count = 6.43
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. (1 from 456 patents)
2. Enterprise Jean Lefebvre (1 from 3 patents)
3. Toa Dora Kogyo Co., Ltd. (1 from 1 patent)
2 patents:
1. 5708062 - Bitumen compositions
2. 4902349 - Asphalt/polyol emulsion and process for preparation thereof