Average Co-Inventor Count = 1.95
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. Ciba-geigy Corporation (13 from 6,850 patents)
13 patents:
1. 5151505 - Amine salts of azo pigments based on pyrazolone derivatives
2. 5066695 - High-molecular weight organic material containing a metal complex
3. 4992495 - Process for coloring high-molecular weight organic material using amine
4. 4775747 - Copper or nickel complexes of ligands containing an azomethine,
5. 4670486 - Polymer composition pigmented with copper or nickel complexes of ligands
6. 4639477 - Process for coloring high-molecular organic material, and novel metal
7. 4473500 - Monoazo pigments derived from aminophthalimides and substituted
8. 4220586 - Hetero-aryl azo acylamino substituted aceto-acetarylide pigments
9. 4070353 - Dicarboxylic acid ester diazo pigments
10. 4065449 - Tetrachloro substituted disazo pigments
11. 4062838 - Disazo pigments containing acylamino groups
12. 4055559 - Disazo pigment containing at least 2 chlorine atoms and process for
13. 3978038 - Disazo pigments containing at least one nitro group on the diazo