Average Co-Inventor Count = 6.00
ph-index = 2
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. Other (1 from 832,843 patents)
2. China Petrochemical Corporation (1 from 53 patents)
3. Qilu Petro-chemical Corporation Sinopec (1 from 1 patent)
2 patents:
1. 6291719 - Methods and equipments of using dual functional catalyst of packing type
2. 6117812 - Dual functional catalyst of packing type and the catalytic distillation