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Liaoning, China

Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

USPTO Granted Patents = 13

EPO Patents = 7

Forward Citations = 13

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66 inventors (with patents filed for the assignee):

Xiuna Yang (3 out of 5 patents)

Zonglin Ruan (3 out of 3 patents)

Feng Zhou (3 out of 5 patents)

4. Kai Qiao (2 out of 7 patents)

5. Huixia Ma (2 out of 3 patents)

6. Jie Su (2 out of 3 patents)

7. Qingtong Zhai (2 out of 4 patents)

8. Shumei Zhang (2 out of 5 patents)

9. Minghua Guan (2 out of 12 patents)

10. Yanze Du (2 out of 8 patents)

11. Xiangchen Fang (2 out of 11 patents)

12. Wei Liu (2 out of 39 patents)

13. Ping Jin (1 out of 3 patents)

14. Huimin Qi (1 out of 4 patents)

15. Tao Yang (1 out of 4 patents)

13 patents: Sort by Forward Citations

1. 12421128 - Pseudo-boehmite, manufacturing process and application thereof (2025-09-23),

2. 12343709 - Hydrogenation catalyst, preparation process thereof and use thereof (2025-07-01),

3. 12060319 - Preparation process for Cu-based catalyst and use thereof (2024-08-13),

4. 12037551 - Liquid-phase reactor and application thereof (2024-07-16),

5. 11891458 - Starch-containing microsphere and preparation method and use thereof (2024-02-06),

6. 11779909 - Hydrocracking catalyst, preparation method therefor and application thereof (2023-10-10),

7. 11731096 - Upflow reactor (2023-08-22),

8. 11401472 - Washing and desalting device, washing and desalting method, desalting and dehydrating system, and desalting and dehydrating method (2022-08-02),

9. 11260374 - Cu-based catalyst, its preparation process and use thereof (2022-03-01),

10. 11207669 - Alumina supporter material and preparation method thereof, hydrogenation catalyst and residual oil hydrogenation processing (2021-12-28),

11. 11179705 - Modified Y-type molecular sieve and preparation method thereof, hydrocracking catalyst and preparation method thereof, and method for hydrocracking hydrocarbon oil (2021-11-23),

12. 10851280 - Modified asphalt particles and preparation method and use thereof (2020-12-01),

13. 10639618 - Wax oil hydrocracking method and system (2020-05-05),

Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp. is a leading research institute focusing on petroleum and petrochemical industries. It is part of Sinopec Corp., one of the largest integrated energy and chemical companies in China. The institute conducts research, development, and innovation in the fields of petroleum refining, petrochemical production, environmental protection, and energy efficiency.

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Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

13 Patents

#5 in Liaoning

#1,941 in China

#43,644 in the World

Liaoning, China

Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

Forward Citations = 13

66 inventors:

Xiuna Yang (3 out of 5 patents)

Zonglin Ruan (3 out of 3 patents)

Feng Zhou (3 out of 5 patents)

4. Kai Qiao (2 out of 7 patents)

5. Huixia Ma (2 out of 3 patents)

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