Average Co-Inventor Count = 2.40
ph-index = 2
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. Rohmax Additives Gmbh (2 from 23 patents)
2. Evonik Operations Gmbh (604 patents)
3. Evonik Rohmax Additives Gmbh (16 patents)
2 patents:
1. 7553673 - Quality control of a functional fluid
2. 6841695 - Process for preparing dithioesters