Average Co-Inventor Count = 3.00
ph-index = 1
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. Betzdearborn, Inc. (2 from 217 patents)
2 patents:
1. 5789488 - Preparation of water soluble graft copolymers
2. 5575924 - Water treatment methods