Gas phase synthesis of methylene lactones using novel catalyst

Details Gas phase synthesis of methylene lactones using novel catalyst Gas phase synthesis of methylene lactones using novel catalyst

2007-01-16

2007-01-16

Seaman, Margaret D. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S326000

Reexamination Certificate

active

11169136

ABSTRACT:
Process for converting certain lactones to their alpha-methylene substituted forms that not only exhibits high initial activity (conversion), but also maintains a high level of activity with time on stream.

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patent: 10298172 (1998-11-01), None
Machine translation of JP 10298172, paragraph 27-33, May 12, 2006.
E. P. Barret, L. G. Joyner And P. P. Halenda, J. Amer. Chem. Soc., 73, 373 (1951).

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