Average Co-Inventor Count = 3.20
ph-index = 1
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. Bayer Aktiengesellschaft (2 from 12,160 patents)
2. Ciba-geigy Ag (1 from 595 patents)
2 patents:
1. 4348334 - Process for producing the magnesium salt of
2. 4324913 - Process for the preparation of 4-nitroso-diphenyl-amine