Average Co-Inventor Count = 3.27
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. Shell Oil Comapny (3 from 7,646 patents)
3 patents:
1. 4427507 - Process for the separation of glycol from an electrolyte-containing
2. 4329233 - Process for the purification of water
3. 4253928 - Process for sour water treatment