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. El Paso Products Company (2 from 45 patents)
2 patents:
1. 4543437 - Refining of tertiary butylstyrene
2. 4543438 - Tertiary-butylstyrene recovery