Average Co-Inventor Count = 3.43
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. 5837761 - Pigmented plastics compositions
2. 5271769 - Method of improving storage stability of pigments