Process for preparing dialkylnaphthalene

Details Process for preparing dialkylnaphthalene Process for preparing dialkylnaphthalene

1996-06-10

1998-04-28

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

585312, 585313, 585314, 585315, 585323, 585448, 585450, 585467, 585471, 585475, 585478, 585479, 585481, C07C 200, C07C 266, C07C 522

Patent

active

057446709

ABSTRACT:
A process for producing alkylnaphthalene from a feedstock comprising isomers of dialkylnaphthalene and naphthalene by contacting the feedstock with a catalyst composition, in which the process comprising transalkylation between isomers of dialkylnaphthalene and naphthalene to produce monoalkylnaphthalene, and isomerization of dialkylnaphthalene, wherein the catalyst composition comprising a synthetic zeolite characterized by an X-ray diffraction pattern including interplanar d-spacing as set forth in Table A of the specification.

REFERENCES:
patent: 4795847 (1989-01-01), Weitkamp et al.
patent: 4954326 (1990-09-01), Odonera et al.
patent: 5001295 (1991-03-01), Angevine et al.
Chemical Abstracts, vol. 103, No. 5, 5 Aug. 1985, Columbus, Ohio, US; Abstract No. 37220t, p. 486; XP002037480 & JP 60 045 536A (Teijin Petrochemical Industries) 12 Mar. 1985.
Chemical Abstracts, vol. 82, No. 25, 23 Jun. 1975, Columbus, Ohio, Abstract No. 170491w, p. 498; XP002037481 & JP 49 134 661 A (Kurhea Chemical Industry Co) 25 Dec. 1974.

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