Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Selenium or tellurium or compound containing same
Reexamination Certificate
2006-08-10
2009-12-29
Davis, Brian J (Department: 1621)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Selenium or tellurium or compound containing same
Reexamination Certificate
active
07638458
ABSTRACT:
Disclosed are a Mo—Bi—Nb—Te based composite metal oxide; and a process for producing (meth)acrylic acid from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, wherein the Mo—Bi—Nb—Te based composite metal oxide is used as a catalyst. Also, disclosed is a process for producing (meth)acrylic acid comprising a first step of producing (meth)acrolein as a main product from at least one reaction material selected from the group consisting of propylene, propane, isobutylene, t-butyl alcohol and methyl-t-butyl ether, and a second step of producing (meth)acrylic acid from the (meth)acrolein, wherein yield of (meth)acrylic acid in the product of the first step is 20 mole % or higher.
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International Search Report for International Application No. PCT/KR2006/003138; International Filing Date Aug. 10, 2006; Date of Mailing Nov. 24, 2006.
Cho Young Jin
Choe Young Hyun
Choi Byung Yul
Kim Duk Ki
Park Joo Yeon
Cantor & Colburn LLP
Davis Brian J
LG Chem Ltd.
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