Average Co-Inventor Count = 3.46
ph-index = 3
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 (2 from 1,242 patents)
2. Degussa Aktiengesellschaft (1 from 1,678 patents)
3 patents:
1. 7842129 - Lacquer formulation for improving surface properties
2. 7816442 - Surface-modified precipitated silicas
3. 7553889 - Surface-modified precipitated silicas