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Shandong, CN
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last 30 patents
Information
Patent Grant
Preparation method for propylene epoxidation catalyst and use thereof
Patent number
11,918,987
Issue date
Mar 5, 2024
Wanhua Chemical Group Co., Ltd.
Lei Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Olefin epoxidation catalyst, preparation method therefor, and appli...
Patent number
11,511,260
Issue date
Nov 29, 2022
Wanhua Chemical Group Co., Ltd.
Tongji Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation method for propylene epoxidation catalyst, and applicat...
Patent number
11,291,985
Issue date
Apr 5, 2022
Wanhua Chemical Group Co., Ltd.
Lei Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Preparation method for olefin epoxidation catalyst and applications...
Patent number
11,213,811
Issue date
Jan 4, 2022
WANHUA CHEMICAL GROUP CO., LTD
Lei Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for preparing phosgene and method for preparing phosgene u...
Patent number
9,399,582
Issue date
Jul 26, 2016
Wanhua Chemical (Ningbo) Co., Ltd.
Bin Chen
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PREPARATION METHOD FOR PROPYLENE EPOXIDATION CATALYST AND USE THEREOF
Publication number
20220305479
Publication date
Sep 29, 2022
WANHUA CHEMICAL GROUP CO., LTD.
Lei WANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Olefin Epoxidation Catalyst, Preparation Method Therefor, And Appli...
Publication number
20210113990
Publication date
Apr 22, 2021
WANHUA CHEMICAL GROUP CO., LTD.
Tongji Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Preparation Method For Propylene Epoxidation Catalyst, And Applicat...
Publication number
20200269228
Publication date
Aug 27, 2020
WANHUA CHEMICAL GROUP CO., LTD.
Lei Wang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREPARATION METHOD FOR OLEFIN EPOXIDATION CATALYST AND APPLICATIONS...
Publication number
20200147599
Publication date
May 14, 2020
WANHUA CHEMICAL GROUP CO., LTD.
Lei WANG
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CATALYST FOR PREPARING PHOSGENE AND METHOD FOR PREPARING PHOSGENE U...
Publication number
20160137511
Publication date
May 19, 2016
WANHUA CHEMICAL GROUP CO., LTD.
Bin CHEN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL