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Jingxu WANG
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Shandong, CN
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last 30 patents
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Patent Grant
Method for preparing isophorone diisocyanate
Patent number
11,939,280
Issue date
Mar 26, 2024
WANHUA CHEMICAL GROUP CO., LTD
Yong Yu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method for preparing isocyanate in gaseous phase
Patent number
11,814,339
Issue date
Nov 14, 2023
WANHUA CHEMICAL GROUP CO., LTD
Weiqi Hua
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
METHOD FOR PREPARING ISOCYANATE IN GASEOUS PHASE
Publication number
20220024863
Publication date
Jan 27, 2022
WANHUA CHEMICAL GROUP CO., LTD.
Weiqi HUA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING ISOPHORONE DIISOCYANATE
Publication number
20220002235
Publication date
Jan 6, 2022
WANHUA CHEMICAL GROUP CO., LTD.
Yong YU
C07 - ORGANIC CHEMISTRY