Average Co-Inventor Count = 4.29
ph-index = 3
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. Institut Francais Du Pe'trole (3 from 2,424 patents)
2. Elf France (3 from 113 patents)
3 patents:
1. 5013407 - Apparatus for reactive distillation
2. 4847430 - Process for manufacturing a tertiary alkyl ether by reactive distillation
3. 4847431 - Process for manufacturing a tertiary alkyl ether by reactive distillation