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. Calgon Corporation (2 from 312 patents)
2 patents:
1. 4147681 - Stable, self-inverting water-in-oil emulsions
2. 4077930 - Self-inverting emulsions of dialkyldiallyl ammonium chloride polymers