Average Co-Inventor Count = 4.65
ph-index = 6
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 (6 from 1,242 patents)
2. Degussa Aktiengesellschaft (3 from 1,678 patents)
9 patents:
1. 9540247 - Higly dispersible silica for using in rubber
2. 8986442 - Specially precipitated silicic acids for rubber applications
3. 8658816 - Precipitated silicas as a reinforcing filler for elastomer mixtures
4. 8597425 - Highly dispersible silica for using in rubber
5. 7855248 - Highly dispersible precipitated silica
6. 7790131 - High-surface precipitation silica acids
7. 7628971 - Highly dispersible precipitated silica having a high surface area
8. 7608234 - Precipitated silicas with particular pore size distribution
9. 7566433 - Precipitated silicas with a particular pore size distribution