Derniers inventions, produits et services
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2022
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Invention
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Preparation method for 4,4'-bipyridine. A preparation method for 4,4'-bipyridine, comprising: usi... |
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Invention
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3-methylpiperidine dehydrogenation catalyst, and preparation method therefor and application ther... |
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2018
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Invention
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Green preparation method for diquat anion salt. The present invention relates to the field of che... |
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Invention
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Catalyst for preparing pyridine base from syngas, and preparation method and application thereof.... |
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Invention
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Catalyst for preparing pyridine base from synthetic gas, preparation method therefor and use ther... |
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Invention
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Method for preparing 2,2′-dipyridine and derivatives thereof. 2 alkyl, Cl, or Br. The method of t... |
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Invention
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Method for preparing 2,2'-dipyridine and derivatives thereof. 122 alkyl, Cl, or Br. The method of... |
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2017
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Invention
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Method for preparing 1,1′-ethylene-2,2′-bipyridinium dichloride. A method for preparing 1,1′-ethy... |
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Invention
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Method for preparing 1,1'-ethylene-2,2'-bipyridyl dichloride salt. Disclosed is a method for prep... |
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