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. Columbian Chemicals Company (2 from 38 patents)
2 patents:
1. 612059 - Hydrogen peroxide oxidation of carbon black
2. 6120594 - Hydrogen peroxide oxidation of carbon black