Average Co-Inventor Count = 2.67
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. 6482776 - Ampholyte polymer composition and method of use
2. 6110451 - Synergistic combination of cationic and ampholytic polymers for