Wenbo Wang

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst for preparing phosgene and preparation method therefor, an...
- Patent number 12,226,761
- Issue date Feb 18, 2025
- Wanhua Chemical (Ningbo) Co., Ltd.
- Chao Dong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Light colored modified isocyanate mixture and preparation method th...
- Patent number 11,034,651
- Issue date Jun 15, 2021
- Wanhua Chemical Group Co., Ltd.
- Ye Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High-speed mixing reactor and application thereof
- Patent number 9,138,717
- Issue date Sep 22, 2015
- WANHUA CHEMICAL GROUP CO., LTD
- Jiansheng Ding
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CATALYST FOR PREPARING PHOSGENE AND PREPARATION METHOD THEREFOR, AN...
- Publication number 20220266237
- Publication date Aug 25, 2022
- Wanhua Chemical (Ningbo) Co., Ltd.
- Chao DONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A Light Colored Modified Isocyanate Mixture And Preparation Method...
- Publication number 20200283375
- Publication date Sep 10, 2020
- WANHUA CHEMICAL GROUP CO., LTD.
- Ye Zhou
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HIGH-SPEED MIXING REACTOR AND APPLICATION THEREOF
- Publication number 20130178596
- Publication date Jul 11, 2013
- YANTAI WANHUA POLYURETHANES CO., LTD.
- Jiansheng Ding
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL