Average Co-Inventor Count = 4.00
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. Changchun Institute of Applied Chemistry (1 from 3 patents)
1 patent:
1. 5081281 - Process for the preparation of 3,3',4,4'-biphenyltetracarboxylic acid