Guangyong XIONG

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing gasoline particulate filter
- Patent number 12,312,989
- Issue date May 27, 2025
- Johnson Matthey (Shanghai) Chemicals Limited
- Wenjie Dong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING GASOLINE PARTICULATE FILTER
- Publication number 20240102410
- Publication date Mar 28, 2024
- JOHNSON MATTHEY (SHANGHAI) CHEMICAL LIMITED
- Wenjie DONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL