Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2008-03-28
2009-06-23
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S532000, C549S531000
Reexamination Certificate
active
07550610
ABSTRACT:
A process is disclosed for reacting an olefin, hydrogen, and oxygen in a slurry comprising a catalyst and a solvent in a reactor. The gas bubbles in the slurry are in a churn-turbulent flow regime. The process gives improved yield and operational and maintenance advantages.
REFERENCES:
patent: 4954325 (1990-09-01), Rubin et al.
patent: 5973171 (1999-10-01), Cochran et al.
patent: 6077498 (2000-06-01), Diaz Caba{circumflex over (n)}as et al.
patent: 6114551 (2000-09-01), Levin et al.
patent: 7138535 (2006-11-01), Whitman et al.
patent: 7238817 (2007-07-01), Han
patent: 7279145 (2007-10-01), Balan
patent: 2007/0260075 (2007-11-01), Jubin et al.
patent: 1001038 (1989-06-01), None
Zehner et al., Bubble Columns, Ullmann's Encyclopedia of Industrial Chemistry, 2009.
Y. T. Shah et al., “Design parameters estimations for bubble column reactors” in AlChE Journal, (May 1982), pp. 353-379, vol. 28 (3).
R. Szostak, “Non-aluminosilicate molecular sieves” in Molecular sieves: Principles of synthesis and identification (1989), pp. 205-282, Van Nostrand Reinhold.
G. Vayssilov, “Structural and physicochemical features of titanium silicalites” in Catal., Rev.-Sci. Eng., (1997), pp. 209-251, vol. 39 (3).
T. Maschmeyer et al., “Heterogeneous catalysts obtained by grafting metallocene complexes onto mesporous silica” in Nature, (Nov. 1995), p. 159, vol. 378 (9).
P. T. Tanev et al., “Titanium-containing mesoporous molecular sieves for catalytic oxidation of aromatic compounds” in Nature, (Mar. 1994), p. 321, vol. 368.
A. Corma et al., J. Chem. Soc., Chem. Commun., (1998), p. 579.
D. Wei et al., “Catalytic behavior of vanadium substituted mesoporous molecular sieves” in Catal. Today, (1999), pp. 501-511, vol. 51.
Behkish Arsam
Chang Te
Ruszkay Jude T.
Speidel, Jr. John H.
Dentz Bernard
Gallis David E
Han Yuanzhang
Lyondell Chemical Technology, L.P.
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