Average Co-Inventor Count = 3.35
ph-index = 4
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. Basf Se Corporation (12 from 5,663 patents)
2. Ciba Corporation (5 from 31 patents)
3. Ciba Specialty Chemicals Corporation (2 from 1,524 patents)
4. Basf Se Ludwigshafen (1 from 24 patents)
20 patents:
1. 11344489 - Azomethine dye chromophores
2. 10494527 - Cationic direct dyes
3. 10047225 - Styryl sulfide dyes
4. 8992633 - Disulfide dyes
5. 8962140 - Functionalized core-shell nanoparticles
6. 8641783 - Disulfide or thiol polymeric hair dyes
7. 8337569 - Polymeric hair dyes
8. 8221508 - Polymeric hair dyes
9. 8206464 - Blue polymeric hair dyes
10. 8118883 - Polymeric hair dyes
11. 8118882 - Polymeric hair dyes
12. 8097045 - Polymeric hair dyes
13. 7976585 - Polymeric dyes
14. 7828858 - Mixture of sulfide dyes
15. 7794509 - Tricationic dyes