Wenjun Mao

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Desulfurizer for conversion and absorption of high-concentration ca...
- Patent number 10,376,836
- Issue date Aug 13, 2019
- Beijing SJ Environmental Protection and New Material Co., Ltd.
- Liying Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of magnetic iron oxide red in catalyzing and oxidizing methanth...
- Patent number 9,745,263
- Issue date Aug 29, 2017
- BEIJING SJ ENVIROMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
- Wenwen Song
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation method and application of magnetic iron oxide and desul...
- Patent number 9,659,692
- Issue date May 23, 2017
- Beijing SJ Environmental Protection and New Material Co., Ltd.
- Zhenyi Liu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing ball-type desulfurizer with high sulfur capac...
- Patent number 9,149,792
- Issue date Oct 6, 2015
- Beijing SJ Environmental Protection and New Material Co., Ltd.
- Tong Zhou
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
USE OF MAGNETIC IRON OXIDE RED IN CATALYZING AND OXIDIZING METHANTH...
- Publication number 20160326106
- Publication date Nov 10, 2016
- BEIJING SJ ENVIRONMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
- Wenwen SONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Desulfurizer For Conversion And Absorption Of High-Concentration C...
- Publication number 20160325226
- Publication date Nov 10, 2016
- BEIJING SJ ENVIRONMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
- Liying Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PREPARING BALL-TYPE DESULFURIZER WITH HIGH SULFUR CAPAC...
- Publication number 20140135211
- Publication date May 15, 2014
- BEIJING SJ ENVIRONMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
- Tong Zhou
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION METHOD AND APPLICATION OF MAGNETIC IRON OXIDE AND DESUL...
- Publication number 20140124697
- Publication date May 8, 2014
- BEIJING SJ ENVIRONMENTAL PROTECTION AND NEW MATERIAL CO., LTD.
- Zhenyi Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL