Average Co-Inventor Count = 8.84
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. Sichuan University (1 from 238 patents)
2. Deshi Energy Technology Group Co., Ltd. (1 from 1 patent)
3. Shandong Deshi Chemical Company Limited (1 from 1 patent)
4. Geoscience Research Institute of Shengli Oilfield Branch, Sinopec Geoscience Research Institute (1 from 1 patent)
2 patents:
1. 11384185 - Preparation method for fumaric acid pour point depressant for crude oil
2. 9080096 - Oil displacement agent and process for preparing the same