Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2011-08-16
2011-08-16
Katakam, Sudhakar (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C560S129000, C562S512000, C562S598000, C562S599000
Reexamination Certificate
active
07999130
ABSTRACT:
The present invention relates to processes for preparing alkyl (meth)acrylates, comprising the steps oftransesterifying an alkyl α-hydroxycarboxylate with (meth)acrylic acid to obtain alkyl (meth)acrylates and α-hydroxycarboxylic acid, and dehydrating the α-hydroxycarboxylic acid to obtain (meth)acrylic acid.
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Ackermann Jochen
Broecker Soenke
Gropp Udo
May Alexander
Siegert Hermann
Evonik Roehm GmbH
Katakam Sudhakar
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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