Average Co-Inventor Count = 3.00
ph-index = 2
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. Cassella Farbwerke Mainkur Aktiengesellschaft (2 from 49 patents)
2 patents:
1. 4087420 - Azo dyestuffs containing an .alpha.-phenylamino isobutyric acid alkyl
2. 4035143 - Water-insoluble azo dyestuffs