Hydrocyanation method

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

Reexamination Certificate

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C558S338000

Reexamination Certificate

active

07439381

ABSTRACT:
A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene with hydrogen cyanide over at least one catalyst, wherein the 1,3-butadiene and/or hydrogen cyanide is contacted with at least one microporous solid before the reaction.

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patent: 3846474 (1974-11-01), Mok
patent: 3852329 (1974-12-01), Tomlinson
patent: 4382038 (1983-05-01), McGill
patent: 4714773 (1987-12-01), Rapoport
patent: 6093285 (2000-07-01), Fernald et al.
patent: 0 274 401 (1988-07-01), None

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