C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/94, 260/482.
C07C 67/05 (2006.01) C07C 69/54 (2006.01)
Patent
CA 1307794
ABSTRACT Polymer formation is inhibited during the distillation of ethyl acrylate and acrylic acid produced from the reaction of ethylene and acrylic acid with sulfuric acid. In the presence of sulfur dioxide formed during the reaction, nitrogen oxide (NO) is highly effective for inhibition of polymerization fouling.
567511
Hoechst Celanese Corporation
Smart & Biggar
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