Average Co-Inventor Count = 7.00
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. Research Institute of Petroleum Processing, Sinopec (1 from 195 patents)
2. China Petrochemical Corporation (1 from 53 patents)
1 patent:
1. 5637735 - Process for the preparation of gamma-butyrolactone