Average Co-Inventor Count = 3.00
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. Allied Colloids Limited (2 from 168 patents)
2. Minerals Technologies Inc. (1 from 52 patents)
2 patents:
1. 5755930 - Production of filled paper and compositions for use in this
2. 5514249 - Production of paper