Process for the preparation of diaryl carbonates or...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbonate esters

Reexamination Certificate

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Reexamination Certificate

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08003817

ABSTRACT:
The invention provides a process for the preparation of diaryl carbonates and/or alkylaryl carbonates from dialkyl carbonates and aromatic hydroxy compounds using one or more intermediate condensers for improving heat integration.

REFERENCES:
patent: 3642858 (1972-02-01), Frevel et al.
patent: 3803201 (1974-04-01), Gilpin et al.
patent: 4181676 (1980-01-01), Buysch et al.
patent: 4252737 (1981-02-01), Krimm et al.
patent: 4330665 (1982-05-01), Krimm et al.
patent: 4552704 (1985-11-01), Mark
patent: 4554110 (1985-11-01), Mark
patent: 5008046 (1991-04-01), Bremus et al.
patent: 5334742 (1994-08-01), Schön et al.
patent: 5344954 (1994-09-01), Schön et al.
patent: 5354923 (1994-10-01), Schön et al.
patent: 6515187 (2003-02-01), Schon et al.
patent: 7254069 (2007-08-01), Haraguchi et al.
patent: 7288668 (2007-10-01), Ryu et al.
patent: 7417161 (2008-08-01), Woo et al.
patent: 2008/0223711 (2008-09-01), Fukuoka et al.
patent: 258412 (1913-04-01), None
patent: 3445552 (1985-07-01), None
patent: 3445555 (1985-07-01), None
patent: 3809417 (1989-10-01), None
patent: 4006420 (1991-09-01), None
patent: 4036594 (1992-05-01), None
patent: 4226755 (1994-02-01), None
patent: 4226756 (1994-02-01), None
patent: 0000879 (1979-03-01), None
patent: 0000880 (1979-03-01), None
patent: 0001082 (1979-03-01), None
patent: 0039452 (1981-11-01), None
patent: 0338760 (1989-10-01), None
patent: 0461274 (1991-12-01), None
patent: 0781760 (1997-07-01), None
patent: 25338 (1912-03-01), None
patent: 54-125617 (1979-09-01), None
patent: 57-176932 (1982-10-01), None
patent: 61172852 (1986-04-01), None
patent: 64-005588 (1989-01-01), None
patent: 01-093580 (1989-04-01), None
patent: 2001093560 (2001-04-01), None
patent: 2004/063023 (2004-02-01), None
patent: WO-2004/016577 (2004-02-01), None
patent: WO-2006/001256 (2006-01-01), None
patent: WO-2006035642 (2006-04-01), None
Agrawal, R., et al.,On the Use of Intermediate Reboilers in the Rectifying Section and Condensers in the Stripping Section of a Distillation Column, Ind. Eng. Chem. Res., 1996, Bd. 35, pp. 2801-2807.
European Search and Preliminary Examination Report in European Application 08008796.8 mailed May 7, 2010.

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