Average Co-Inventor Count = 2.11
ph-index = 5
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 (20 from 6,850 patents)
2. Ciba-geigy Ag (3 from 595 patents)
23 patents:
1. 5416227 - Dye salts of the anthraquinone dye series
2. 5066695 - High-molecular weight organic material containing a metal complex
3. 4866112 - Thermoplastics containing a nickel complex pigment
4. 4847365 - Metal complexes of substituted 4-(2-carboxy-phenylazo-5-pyrazolones
5. 4775747 - Copper or nickel complexes of ligands containing an azomethine,
6. 4670486 - Polymer composition pigmented with copper or nickel complexes of ligands
7. 4639477 - Process for coloring high-molecular organic material, and novel metal
8. 4527994 - Process for mass-coloring nylon with 1:2 chromium complex azo dye
9. 4496727 - Process for the manufacture of metal complexes of isoindoline azines
10. 4460768 - Nickel complex pigments of azines
11. 4414395 - Process for the manufacture of hydrazono-isoindolines
12. 4385174 - Isoindoline compounds and the manufacture and use thereof
13. 4378970 - Red monoazo sulphonic acid dyestuffs for polyamide
14. 4370431 - Process for coloring fibre forming polyamides in the melt with azo
15. 4359418 - Amine salts of azo dyestuffs of the pyridone series