Method for producing 2,6-DMN from mixed dimethylnaphthalenes by

Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By cooling of liquid to obtain solid – e.g. – crystallization,...

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585812, 585815, 585828, 585804, 585320, 585322, 585323, 585479, C07C 714, C07C 712, C07C 522

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active

060574879

ABSTRACT:
A method is disclosed to produce 2,6-dimethylnaphthalene (2,6-DMN), used for the production of polyethylene naphthalate, at high purity and high yield from a mixture of dimethylnaphthalene isomers without limitation to the specific isomers present in the feed by a series of fractionation, crystallization and adsorption steps.

REFERENCES:
patent: 3109036 (1963-10-01), Suld et al.
patent: 3153675 (1964-10-01), Mason, Jr.
patent: 3153676 (1964-10-01), Allen et al.
patent: 3235615 (1966-02-01), Allen et al.
patent: 3244758 (1966-04-01), Eberhardt
patent: 3249644 (1966-05-01), Hahn, Jr.
patent: 3336411 (1967-08-01), Benham
patent: 3485885 (1969-12-01), Peterkin et al.
patent: 3541175 (1970-11-01), Hedge
patent: 3594436 (1971-07-01), Hedge et al.
patent: 3668267 (1972-06-01), Hedge
patent: 3772399 (1973-11-01), Hedge
patent: 3775498 (1973-11-01), Thompson
patent: 3798280 (1974-03-01), Shimada et al.
patent: 3803253 (1974-04-01), Suld et al.
patent: 3839479 (1974-10-01), Hedge
patent: 3890403 (1975-06-01), Shimada et al.
patent: 4014949 (1977-03-01), Hedge
patent: 4777312 (1988-10-01), Bakas et al.
patent: 4791235 (1988-12-01), Maki et al.
patent: 4795847 (1989-01-01), Weitkamp et al.
patent: 4835334 (1989-05-01), Hobbs et al.
patent: 4962260 (1990-10-01), Sikkenga et al.
patent: 4963248 (1990-10-01), Yano et al.
patent: 5004853 (1991-04-01), Barger et al.
patent: 5043501 (1991-08-01), Del Rossi et al.
patent: 5059742 (1991-10-01), Miyashi et al.
patent: 5064630 (1991-11-01), Verduijn et al.
patent: 5146040 (1992-09-01), Verduijn et al.
patent: 5220098 (1993-06-01), Nakamura et al.
patent: 5254769 (1993-10-01), Takagawa et al.
patent: 5268523 (1993-12-01), Fellmann et al.
patent: 5300721 (1994-04-01), Takeuchi et al.
patent: 5481055 (1996-01-01), Takagawa et al.
patent: 5495060 (1996-02-01), Takagawa et al.
patent: 5510563 (1996-04-01), Smith et al.
patent: 5744670 (1998-04-01), Motoyuki et al.

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