Yangzhou Princechem Co., Ltd.
 
Patent number / application number Patent name Authorization time Stage
20111002013.2 Thionyl chloride Chlorination tail gas treatment method   Qualified first instance
2009100954752 N- methyl formyl aniline preparation method   Qualified first instance
200710075875 3- alkoxy -1- chloro propane and preparation method   Qualified first instance
2006100972653 Methoxy methylene malonic acid two ester preparation method   Qualified first instance
201010101735.5 Multiple fluoroalkyl methacrylate ester preparation method   Substantive examination
200910153013.1 2- ( 2- Chloroethoxy ) ethanol preparation method   Substantive examination
200910153011.2 2- ethyl methyl ether preparation method   Substantive examination
ZL20090153012.7 2,2 ' - two benzothiazolyl sulfone preparation method 2011.06.01 Patent of invention
ZL200710157165.X 4- alkoxy -1- butyl chloride preparation method 2010.12.29 Patent of invention
ZL200710070038.6 Thionyl chloride Chlorination tail gas treatment method 2010.09.22 Patent of invention
ZL200710192563.0 Hydrogen chloride and sulfur dioxide emission of complete sets of processing equipment 2008.11.12 Utility model patent
 
     
     
 
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