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 Specialty Chemicals Corporation (3 from 1,524 patents)
3 patents:
1. 6306938 - Production process
2. 6031030 - Production process
3. 5964929 - Process for the production of ink concentrates