Document Type and Number:
Japanese Patent JPH0443908
Kind Code:
B2
Abstract:
epsilon -caprolactam is prepared by gas phase catalytic synthesis where cyclohexanone oxime is brought into contact with a crystalline zeolite, for example, aluminosilicate zeolite or metallosilicate zeolite having a constraint index of 1 - 12 which has been surface treated with an organometallic compound represented by the general formula: R4-nMXn wherein R which may be identical or different represents an alkyl group of 1 - 6 carbon atoms or phenyl group, M represents Si or Ge, X represents Cl or an alkoxy group of 1 - 6 carbon atoms and n represents 1 or 2.
Inventors:
SATO HIROSHI
HIROSE KENICHI
ISHII NORIO
TOSHIMA HIDETO
KITAMURA MASARU
HIROSE KENICHI
ISHII NORIO
TOSHIMA HIDETO
KITAMURA MASARU
Application Number:
JP1774887A
Publication Date:
July 20, 1992
Filing Date:
January 27, 1987
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO
International Classes:
C07B61/00; B01J25/00; B01J29/06; B01J31/00; B01J31/12; C07D201/04
Next Patent: JPH0443909