Average Co-Inventor Count = 4.09
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. Shell Oil Comapny (3 from 7,646 patents)
3 patents:
1. 5149460 - Composition for H.sub.2 S removal
2. 5149459 - H.sub.2 S removal composition
3. 4871520 - Process and composition for H.sub.2 S removal