Distillation: apparatus – Apparatus – Systems
Reexamination Certificate
2011-02-22
2011-02-22
Manoharan, Virginia (Department: 1771)
Distillation: apparatus
Apparatus
Systems
C202S185100, C202S194000, C202S195000, C202S262000, C202S266000, C203S008000, C203S009000, C203S090000, C203SDIG021, C560S218000, C562S600000
Reexamination Certificate
active
07892403
ABSTRACT:
A condenser includes: a top face of a tube plate on which acrylic acid may be condensed inside the condenser; a spray for spreading a polymerization inhibitor on the tube plate; a first polymerization inhibitor supply tube for supplying the polymerization inhibitor to the spray; and a supporter for supporting the spray at a predetermined position. The supporter supports the first polymerization inhibitor supply tube outside the condenser. The condenser allows a stable continuous operation for a long period of time by preventing polymerization of an easily polymerizable compound in the condenser into which a vapor of an easily polymerizable compound is supplied with a simple structure thereof.
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Distillation Engineering Handbook, 1966, p. 423 (with English translation).
Jinno Kimikatsu
Ogawa Yasushi
Suzuki Yoshiro
Yada Shuhei
Manoharan Virginia
Mitsubishi Chemical Corporation
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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