Average Co-Inventor Count = 7.00
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. Evonik Operations Gmbh (1 from 605 patents)
1 patent:
1. 11434193 - Preparation method for esterquats based on oil