Average Co-Inventor Count = 3.00
ph-index = 3
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 Ag (3 from 595 patents)
3 patents:
1. 4046507 - Commercial packages containing dyestuffs
2. 4001205 - Water-soluble, fiber-reactive phenylazodihydroxy, methyl, cyanopyridine
3. 3956263 - 4-Methyl-2,6-dihydroxy-3-cyanopyridine containing dyestuffs