Average Co-Inventor Count = 3.47
ph-index = 8
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 (18 from 1,242 patents)
2. Degussa Aktiengesellschaft (14 from 1,678 patents)
3. Evonik Operations Gmbh (1 from 600 patents)
4. Degussa Gmbh (1 from 48 patents)
5. Orion Engineered Carbons Gmbh (9 patents)
34 patents:
1. 11242259 - Method for producing silicic acid with variable thickening
2. 10280088 - Method for producing silicic acid with variable thickening
3. 8535633 - Process for the production of doped metal oxide particles
4. 8512595 - Surface-modified, pyrogenically prepared silicas
5. 8507033 - Surface-modified, pyrogenically prepared silicas
6. 8209999 - Method of making silica-glass granule from pyrogenic silica powder
7. 8197791 - Aluminium oxide powder, dispersion and coating composition
8. 8071070 - Titanium dioxide having a variable sintering stability
9. 8062622 - Titanium dioxide having increased sintering activity
10. 7972431 - Surface-modified silicas
11. 7918933 - Dispersion of high surface area silica
12. 7910515 - Photocatalyst
13. 7892510 - Silicon dioxide dispersion
14. 7888396 - Silicon dioxide dispersion
15. 7862797 - Mixed oxide powder comprising alkali metal oxide, and silicone rubber comprising this powder