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Xiamen, CN
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Patents Grants
last 30 patents
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Patent Grant
Vibration absorption tubing and manufacturing method thereof
Patent number
11,674,620
Issue date
Jun 13, 2023
XINCHANG COUNTY SITONG ELECTRICAL CO., LTD
Dongsen Liang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for the manufacture of methylmercaptan
Patent number
7,833,929
Issue date
Nov 16, 2010
Evonik Degussa GmbH
Yiquan Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the manufacture of methylmercaptan
Patent number
7,569,731
Issue date
Aug 4, 2009
Degussa AG
Yiquan Yang
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
VIBRATION ABSORPTION TUBING AND MANUFACTURING METHOD THEREOF
Publication number
20200041217
Publication date
Feb 6, 2020
Dongsen Liang
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
PROCESS FOR THE MANUFACTURE OF METHYLMERCAPTAN
Publication number
20100041548
Publication date
Feb 18, 2010
Yiquan Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE MANUFACTURE OF METHYMERCAPTAN
Publication number
20070213564
Publication date
Sep 13, 2007
Yiquan Yang
C07 - ORGANIC CHEMISTRY