Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing
Reexamination Certificate
2007-03-27
2007-03-27
Richter, Johann (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Halogen containing
C570S153000, C570S216000, C562S605000
Reexamination Certificate
active
10482048
ABSTRACT:
There is provided a process for producing a fluorinated vinyl ether from a fluorinated acid fluoride compound having an ester group as a precursor of a carboxylic acid group, or a SO2F group as a precursor of a sulfonic acid group, in high yield by simple operations.Said process is a production process comprising pyrolyzing a carboxylic acid potassium salt with a specific structure represented by the following formula in the absence of a solvent and/or while maintaining the salt in the solid state:wherein X is —CO2R or —SO2F, and R is an alkyl group.
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Hoshi Nobuto
Ikeda Masanori
Uematsu Nobuyuki
Asahi Kasei Kabushiki Kaisha
Birch & Stewart Kolasch & Birch, LLP
Puttlitz Karl
Richter Johann
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