Average Co-Inventor Count = 5.74
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 (4 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)
9 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. 6503311 - Aqueous carbon black dispersions
9. 6451100 - Aqueous carbon black dispersions