Average Co-Inventor Count = 4.00
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. Calgon Corporation (2 from 312 patents)
2 patents:
1. 4273751 - Removal of acidica contaminants from gas streams by caustic impregnated
2. 4215096 - Removal of acidic contaminants from gas streams by caustic impregnated