Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-04-29
2008-04-29
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S454000
Reexamination Certificate
active
11687270
ABSTRACT:
An improved hydroformylation process is provided, which comprises reacting an olefin with CO and H2in the presence of a hydroformylation catalyst in a liquid that has been volumetrically expanded with a compressed gas, such as supercritical carbon dioxide.
REFERENCES:
patent: 4687874 (1987-08-01), Oswald et al.
patent: 5780684 (1998-07-01), Drent et al.
patent: 6740785 (2004-05-01), Subramaniam et al.
Jin et al.,Homogeneous catalytic hydroformylation of 1-octene in CO2-expanded solvent media, Chem. Eng. Science, 59 4887-4893 (2004).
Webb et al.,Continuous flow homogeneous hydroformylation of alkenes using supercirtical fluids, Green Chemistry, 7 373-379 (2005).
Jin et al.,Catalytic Hydroformylation of Higher Olefins in CO2-Expanded Media: Kinetic, Mechanistic and Economic Aspects, Annual AIChE meeting in Cincinnati OH, Oct. 31, 2005 [Abstract only].
Meehan et al., “Continuous, Selective Hydroformylation in Supercriticial Carbon Dioxide Using an Immobilized Homogeneous Catalyst”, 2000, Chem. Commun., pp. 1497-1498.
Shibahara et al., “Solvent-Free Asymmetric Olefin Hydroformulation Catalyzed by Highly Cross-Linked Polystyrene-Supported (R,S)-BINAPHOS-Rh(I) Complex”, 2003, J. Am. Chem. Soc., vol. 125, pp. 8555-8560.
Ghosh Anindya
Jin Hong
Subramaniam Bala
Tunge Jon A.
Stinson Morrison & Hecker LLP
University of Kansas
Witherspoon Sikarl A.
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