Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331256 | Process and system for processing aromatics-rich fraction oil | Qinghe Yang, Yanzi JIA, Dawei Hu, Chuanfeng Niu, Shuling Sun +4 more | 2025-06-17 |
| 11866801 | Method for optimizing microstructure of rail welded joint | Xin Lu, Wei Bai, Feixiang XU | 2024-01-09 |
| 11439989 | Hydrofining catalyst, its preparation and application thereof | Wenbin Chen, Le Zhang, Xiangyun Long, Hong Nie, Mingfeng Li +2 more | 2022-09-13 |
| 11365360 | Process for converting inferior feedstock oil | Youhao Xu, Tao Liu, Xin Wang, Lishun Dai, Tian Lan +1 more | 2022-06-21 |
| 11041131 | Process for treating gasoline | Youhao Xu, Junyi Mao, Xin Wang, Qing Qing Yuan, Jingchuan Yu +1 more | 2021-06-22 |
| 10870165 | Mobile flash butt welding method for 136RE+SS heat-treated rail | Xin Lu, Ruoyu Wang, Wei Bai, Jian DENG, Feixiang XU | 2020-12-22 |
| 10214799 | Heat treatment method for increasing the depth of hardening layer in a steel rail and steel rail obtained with the method | Zhenyu Han, Ming Zou, Jihai Jia, Hua Guo, Yong Deng +3 more | 2019-02-26 |
| 10196781 | Hypereutectoid steel rail and preparation method thereof | Zhenyu Han, Ming Zou, Hua Guo, Yuan Wang, Yong Deng +1 more | 2019-02-05 |
| 9771529 | Process for producing light olefins and aromatics | Jun Long, Zhijian Da, Xieqing Wang, Xingtian Shu, Jiushun Zhang +4 more | 2017-09-26 |
| 9657236 | Process for hydrotreating heavy raw oils | Qinghe Yang, Dawei Hu, Shuling Sun, Jia Liu, Hong Nie +5 more | 2017-05-23 |
| 9309467 | Integrated process for hydrogenation and catalytic cracking of hydrocarbon oil | Yongcan Gao, Chaogang Xie, Chuanfeng Niu, Jiushun Zhang, Lishun Dai +4 more | 2016-04-12 |
| 9260667 | Combined process of hydrotreating and catalytic cracking of hydrocarbon oils | Yongcan Gao, Chaogang Xie, Chuanfeng Niu, Jiushun Zhang, Lishun Dai +4 more | 2016-02-16 |
| 8883669 | Hydrocracking catalyst, a process for producing the same, and the use of the same | Yichao Mao, Hong Nie, Jianwei Dong, Zhenlin Xiong, Zhihai Hu +1 more | 2014-11-11 |
| 8778170 | Process for producing light olefins and aromatics | Jun Long, Zhijian Da, Xieqing Wang, Xingtian Shu, Jiushun Zhang +4 more | 2014-07-15 |
| 8697598 | Hydrogenation catalyst and use thereof | Xiangyun Long, Xuefen Liu, Hong Nie, Kui Wang, Jing Xin +4 more | 2014-04-15 |
| 8529753 | Combined process for hydrotreating and catalytic cracking of residue | Chuanfeng Niu, Lishun Dai, Yongcan Gao, Yahua Shi, Hong Nie +1 more | 2013-09-10 |
| 8334231 | Hydrocracking catalyst, the preparation process and use of the same | Yichao Mao, Hong Nie, Jianwei Dong, Zhenlin Xiong, Zhihai Hu +1 more | 2012-12-18 |
| 7745372 | Catalyst for selective hydrogenation of olefins and its preparation as well as use | Mingfeng Li, Yang Chu, Yunjian Hu, Guofu Xia, Hong Nie +1 more | 2010-06-29 |
| 7341657 | Process for reducing sulfur and olefin contents in gasoline | Yulin Shi, Yunjian Hu, Yuanbing Xi, Mingfeng Li, Yahua Shi | 2008-03-11 |
| 6518219 | Catalyst for hydrorefining fraction oils, its carrier and preparation | Qinghe Yang, Bin Liu, Hong Nie, Xuefen Liu, Yahua Shi +1 more | 2003-02-11 |
| 5972832 | Distillate hydrocracking catalyst and process for the preparation of the same | Jianwen Shi, Hong Nie, Yahua Shi, Yulin Shi, Yanping Zhang | 1999-10-26 |
| 5914290 | Distillate hydrofining catalyst and a process for the preparation of the same | Yahua Shi, Xuefen Liu, Hong Nie, Xiaodong Gao, Yibing Ying | 1999-06-22 |