Average Co-Inventor Count = 2.40
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. Ciba Specialty Chemicals Corporation (2 from 1,524 patents)
2 patents:
1. 6670457 - Reactive dyes, their preparation and use
2. 6203746 - Process for the treatment of cellulose fibres