Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-01-18
2009-10-06
Andres, Janet L. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07598402
ABSTRACT:
The present invention relates to a process for synthesizing trioxymethylene, wherein an aqueous solution of formaldehyde is used as the reactant; and an acidic ionic liquid in an amount of from 0.01 to 10 wt % is used as a catalyst.
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Xin-Yu et al., “Cyclotrimerization of Aliphatic Aldehydes Catalyzed by Ionic Liquids”, Chinese Journal of Chemistry, 24 1066-1068 (2006).
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Chen Jing
Guo Enxiu
Li Zhen
Song Heyuan
Tang Zhonghua
Andres Janet L.
Blue Diamond International Co., Ltd.
Covington Raymond
Heslin Rothenberg Farley & & Mesiti P.C.
Lanzhou Institute of Chemical Physics Chinese Academy of Science
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