Average Co-Inventor Count = 6.46
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. China Petroleum Chemical Corporation (2 from 674 patents)
2. Research Institute of Petroleum Processing, Sinopec (1 from 196 patents)
3. Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp. (1 from 13 patents)
2 patents:
1. 11207669 - Alumina supporter material and preparation method thereof, hydrogenation catalyst and residual oil hydrogenation processing
2. 9593290 - Lubricating oil composition and production thereof