Average Co-Inventor Count = 2.00
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 (1 from 1,524 patents)
1 patent:
1. 6458523 - Hydroquinone derivatives as scavengers for oxidized developer