Average Co-Inventor Count = 5.50
ph-index = 7
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. Degussa Aktiengesellschaft (5 from 1,678 patents)
2. Degussa - Huls Ag (2 from 145 patents)
3. Evonik Carbon Black Gmbh (2 from 12 patents)
4. Evonik Degussa Gmbh (1 from 1,242 patents)
5. Orion Engineered Carbons Gmbh (9 patents)
10 patents:
1. 8915998 - Pigment granulate, method for producing the same and use thereof
2. 8372191 - Ink jet ink
3. 8328930 - Pigment preparation, method for producing the same and its use
4. 7160377 - Aqueous, colloidal gas black suspension
5. 7005004 - Aqueous, colloidal gas black suspension
6. 6780389 - Process for the production of modified carbon black
7. 6685769 - Aqueous carbon black dispersions
8. 6569231 - Pigment preparations, a process for preparing pigment preparations and use thereof
9. 6503311 - Aqueous carbon black dispersions
10. 6451100 - Aqueous carbon black dispersions