Average Co-Inventor Count = 3.00
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. Ethyl Corporation (2 from 1,362 patents)
2 patents:
1. 4870215 - Phenol alkylation process
2. 4731492 - Phenol alkylation process