Production of di-(2-ethylhexyl) terephthalate

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

Reexamination Certificate

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Reexamination Certificate

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11202975

ABSTRACT:
Disclosed is a process for the preparation of di-(2-ethylhexyl) terephthalate by the esterification of terephthalic acid with 2-ethylhexanol at elevated temperature and pressure while the water of reaction is removed from the reaction mixture.

REFERENCES:
patent: 5326864 (1994-07-01), Besemer et al.
patent: 5391770 (1995-02-01), Le Fur et al.
patent: 5502240 (1996-03-01), Pugach et al.
patent: 5532495 (1996-07-01), Bloomquist et al.
patent: 6310235 (2001-10-01), Gick
patent: 2002/0028963 (2002-03-01), Gubisch et al.
patent: 60004151 (1985-01-01), None
patent: 60004151 (1985-01-01), None
patent: 60 004151 (1985-07-01), None
patent: 2001031794 (2001-02-01), None
patent: 2005 120019 (2005-05-01), None
patent: 2005 306759 (2005-11-01), None
patent: 2 114 100 (1998-06-01), None
Zeng, Chongyu; “Study of esterification rule in DOTP preparation”; XP0024138167 retrieved from STN Database accession No. 1995:468078; Chemical Abstracts Service, Columbus, Ohio.
Jiang, Pinping; “Synthesis of DOTP plasticizer by esterification”; XP002413816 retrieved from STN Database accession No. 1995:454573; Chemical Abstracts Service, Columbus, Ohio.
Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration date of mailing Feb. 16, 2007 on the corresponding PCT application.
Meiqi, Fu; “A Technique of Producing Dioctyl Terephthalate and an Improvement in the Technique”; Tianjin Chemical Industry, China, vol. 20, No. 17, 2006.

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