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 |
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Qualified first instance |
200710075875 |
3- alkoxy -1- chloro propane and preparation method |
|
Qualified first instance |
2006100972653 |
Methoxy methylene malonic acid two ester preparation method |
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Qualified first instance |
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|
Substantive examination |
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Substantive examination |
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Substantive examination |
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Patent of invention |
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2010.12.29 |
Patent of invention |
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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 |