Average Co-Inventor Count = 2.00
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. Conoco Inc. (1 from 860 patents)
2. Continental Oil Company (1 from 304 patents)
2 patents:
1. 4201657 - Coal spray composition
2. 3960704 - Manufacture of isotropic delayed petroleum coke