Average Co-Inventor Count = 1.83
ph-index = 6
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 (24 from 6,850 patents)
24 patents:
1. 5395926 - Bisazo, bisazomethine and azo-azomethine compounds derived from
2. 5380870 - Mixed crystals of sulfonated diketopyrrolopyrroles
3. 5298609 - Disazo compounds containing cycloalkyl ester or cycloalkylamide groups
4. 5280121 - Perylenetetracarboxylic acid diimides containing long-chain
5. 5151505 - Amine salts of azo pigments based on pyrazolone derivatives
6. 5071967 - Disazo compounds containing long-chain alkyl ester radicals or
7. 4997920 - Monoazo compounds containing long-chain alkyl radicals
8. 4992495 - Process for coloring high-molecular weight organic material using amine
9. 4980458 - Mixed sodium, ammonium and/or calcium salt crystals of laked monoazo
10. 4946948 - Mono and disazo compounds based on b-hydroxy-naphthoic acid derivatives
11. 4737581 - Phenyl-azo-hydroxynaphthoic acid amide pigments containing at least one
12. 4602961 - Process for pigmenting high molecular weight organic material
13. 4473500 - Monoazo pigments derived from aminophthalimides and substituted
14. 4400319 - Monoazo pigments containing heterocycles, and high-molecular organic
15. 4263205 - Monoazo pigments derived from substituted aminothiophenes