Average Co-Inventor Count = 1.20
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. Other (1 from 832,812 patents)
2. Sandoz Gmbh (1 from 1,603 patents)
3. Sandoz Ltd., (sandoz Ag) (1 from 20 patents)
3 patents:
1. 4263229 - Metal complex dyes of trisazo compounds having a
2. 4049641 - Optionally substituted sulfophenyl-azo-naphthylene-azo-para-alkoxyphenyl
3. 3951590 - Mixtures of optionally substituted sulfophenyl-azo-naphthylene or