Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor
Reexamination Certificate
2007-06-19
2007-06-19
Kifle, Bruck (Department: 1624)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
C540S536000
Reexamination Certificate
active
11022250
ABSTRACT:
Disclosed are a kenyaite catalyst containing a metal oxide between layers of a layered silicate having kenyaite structure, a method for preparing the same, and a method for preparing ε-caprolactam from cyclohexanone oxime by applying the catalyst to gas phase Beckmann rearrangement.
REFERENCES:
patent: 6703501 (2004-03-01), Kim et al.
patent: 1020010028430 (2001-04-01), None
Anand, R., et al., “Vapor phase Beckmann rearrangement of cyclohexanone oxime over different ferrierite zeolite catalysts”, Catalysis Letters, Mar. 2002, vol. 78, Nos. 1-4, pp. 189-194.
Korean Office Action for Application No. 10-2004-0066877, dated Jan. 25, 2006 (English translation).
Joo Oh-Shim
Jung Kwang-Deog
Kim Sun-Jin
Park Min-Jo
Darby & Darby
Kifle Bruck
Korea Institute of Science and Technology
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