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Beijing Sj Environmental Protection and New Material Co., Ltd.

USPTO Granted Patents = 8

% Expired Patents = 12.5

CIPO Patents = 6

Forward Citations = 16

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20 inventors (with patents filed for the assignee):

Zhenyi Liu (7 out of 23 patents)

Wenjun Mao (4 out of 4 patents)

Zhimin Zhang (2 out of 12 patents)

4. Liying Li (2 out of 5 patents)

5. Wenwen Song (2 out of 3 patents)

6. Fengren Liu (2 out of 3 patents)

7. Jie Zhang (1 out of 118 patents)

8. Bingyi Li (1 out of 3 patents)

9. Hua Chen (1 out of 26 patents)

10. Ke Lin (1 out of 31 patents)

11. Gang Zhao (1 out of 19 patents)

12. Xiaowei Li (1 out of 13 patents)

13. Boshu Liu (1 out of 1 patent)

14. Lixian Wang (1 out of 2 patents)

15. Qunyang Gao (1 out of 3 patents)

8 patents: Sort by Forward Citations

1. 10376836 - Desulfurizer for conversion and absorption of high-concentration carbonyl sulfide and a desulfurizer for catalytic conversion and absorption of carbon disulfide and their preparation methods (2019-08-13),

2. 9745263 - Use of magnetic iron oxide red in catalyzing and oxidizing methanthiol and methods for preparing and appling same (2017-08-29),

3. 9659692 - Preparation method and application of magnetic iron oxide and desulfurizer containing the magnetic iron oxide as active component (2017-05-23),

4. 9205407 - Method for preparing amorphous iron oxide hydroxide (2015-12-08),

5. 9149792 - Process for preparing ball-type desulfurizer with high sulfur capacity and product thereof (2015-10-06),

6. 7754650 - Trifunctional catalyst for sulphur transfer, denitrogenation and combustion promoting and a method for preparing the same (2010-07-13),

7. 7717979 - Composition for a desulfurizer with a high sulfur capacity and the process of making the same (2010-05-18),

8. 7342145 - Process for refining liquefied petroleum gas in a commercial scale (2008-03-11),

Beijing Sj Environmental Protection and New Material Co., Ltd. is a leading provider of environmental protection solutions and new materials in China. The company specializes in waste treatment, pollution control, and developing advanced materials for various industries. With a commitment to innovation and sustainability, Sj Environmental Protection strives to create a cleaner and greener future for all.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

8 Patents

#342 in Beijing

#3,426 in China

Beijing Sj Environmental Protection and New Material Co., Ltd.

Forward Citations = 16

20 inventors:

Zhenyi Liu (7 out of 23 patents)

Wenjun Mao (4 out of 4 patents)

Zhimin Zhang (2 out of 12 patents)

4. Liying Li (2 out of 5 patents)

5. Wenwen Song (2 out of 3 patents)

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