Title:
PRODUCTION OF UNSATURATED CARBOXYLIC ACID
Document Type and Number:
Japanese Patent JP3334296
Kind Code:
B2
Abstract:
PURPOSE: To produce unsaturated carboxylic acids through a one-step process from alkane in a high yield.
CONSTITUTION: In the presence-of a catalyst which comprises, as essential components, Mo, V, Te, O and X (X is one or more elements selected from the group consisting of Nb, Ta, W, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, Sb, Bi, B, In and Ce) where the ratios of individual essential components to the total essential elements except oxygen are 0.25<rMO<0.98; 0.003< rV<0.5; 0.003<rTe<0.5; 0.003<rx<0.5, respectively (rMO, rV, rTe and rx are molar fractions of Mo, V, Te, and X based on these essential components except oxygen, respectively), alkane is subjected to gas-phase catalytic oxidation to give unsaturated carboxylic acid.
Inventors:
Takashi Ushikubo
Hiroya Nakamura
Hiroya Nakamura
Application Number:
JP30801393A
Publication Date:
October 15, 2002
Filing Date:
December 08, 1993
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
B01J27/057; C07B61/00; C07C57/05; (IPC1-7): C07C57/05; B01J27/057
Domestic Patent References:
| JP3170445A | ||||
| JP459738A | ||||
| JP459739A | ||||
| JP4128247A | ||||
| JP4324645B1 | ||||
| JP4324644B1 | ||||
| JP4744203B1 | ||||
| JP455247B1 | ||||
| JP4537306B1 |
Attorney, Agent or Firm:
Koji Hasegawa