Average Co-Inventor Count = 11.00
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 Degussa Gmbh (1 from 1,242 patents)
2. Evonik Operations Gmbh (596 patents)
1 patent:
1. 10106426 - Method for the separation of metal ions that are divalent or higher from strong acids or highly acidic media