Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2006-03-28
2006-03-28
Richter, Johann (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C560S226000
Reexamination Certificate
active
07019163
ABSTRACT:
The present invention relates to a method for producing a perfluorovinylcarboxylic acid ester by reacting a perfluorovinylcarboxylic acid salt with an alkylating agent. The present invention provides a method to produce perfluorovinylcarboxylic acid ester, which is used as a raw material of an ion-exchange membrane for the chloro alkali process, in high yield from starting material, a compound which can be easily produced, in a simple manner.
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Ikeda Masanori
Uematsu Nobuyuki
Asahi Kasei Kabushiki Kaisha
Birch & Stewart Kolasch & Birch, LLP
Puttlitz Karl
Richter Johann
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