Method for selective hydrogenation of polyunsaturated...

Details Method for selective hydrogenation of polyunsaturated... Method for selective hydrogenation of polyunsaturated...

2003-06-16

2009-11-03

Bullock, In Suk (Department: 1797)

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is contaminant in desired hydrocarbon

C585S262000, C585S275000, C585S276000, C585S277000, C502S103000, C502S153000, C502S155000, C502S164000, C502S210000, C502S211000, C502S213000

Reexamination Certificate

active

07612245

ABSTRACT:
A process for the selective hydrogenation of diolefinic compounds to mono-olefinic compounds uses a catalyst composition comprising at least one salt of a transition metal from groups IB, IIB, VB, VIB, VIIB and VIII of the periodic table, at least one ligand and at least one organometallic reducing agent, optionally in the presence of a non-aqueous ionic liquid selected from the group formed by liquid salts with general formula Q+A−(in which Q+represents a quaternary ammonium and/or quaternary phosphonium and A−represents any anion which can form a liquid salt below 90° C.).

REFERENCES:
patent: 3865893 (1975-02-01), Thatcher et al.
patent: 3890400 (1975-06-01), Langrange et al.
patent: 3917737 (1975-11-01), Yoo
patent: 4357478 (1982-11-01), Hillion et al.
patent: 6040263 (2000-03-01), Mussmann et al.
patent: 2001/0005758 (2001-06-01), Bach et al.

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