Average Co-Inventor Count = 5.09
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 Degussa Gmbh (1 from 1,242 patents)
2. Evonik Operations Gmbh (1 from 597 patents)
2 patents:
1. 11434193 - Preparation method for esterquats based on oil
2. 10052620 - Catalyst for oxidation reactions, a method for its preparation and the use thereof