Average Co-Inventor Count = 5.22
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 (4 from 1,242 patents)
4 patents:
1. 9649615 - Reactor and process for preparing hydrogen sulphide
2. 9630843 - Reactor and process for preparing hydrogen sulphide
3. 9440208 - Reactor and process for preparing hydrogen sulphide
4. 9421511 - Reactor and process for preparing hydrogen sulphide