Average Co-Inventor Count = 1.00
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. Calgon Corporation (1 from 312 patents)
2. Polymer Ventures, Inc. (23 patents)
3. Water Mark Technologies, Inc. (5 patents)
1 patent:
1. 4252571 - Bone char and activated carbon mixtures for sugar liquor purification