Average Co-Inventor Count = 4.00
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. Ciba-geigy Corporation (1 from 6,850 patents)
2. Ciba Specialty Chemicals Corporation (1 from 1,524 patents)
2 patents:
1. 5773631 - 3-arylbenzofuranones as stabilizers
2. 5516920 - 3-arylbenzofuranones