DE69413742T2 - Verfahren zur Isomerisierung von Dimethylnaphthalin - Google Patents

Verfahren zur Isomerisierung von Dimethylnaphthalin

Info

Publication number
DE69413742T2
DE69413742T2 DE69413742T DE69413742T DE69413742T2 DE 69413742 T2 DE69413742 T2 DE 69413742T2 DE 69413742 T DE69413742 T DE 69413742T DE 69413742 T DE69413742 T DE 69413742T DE 69413742 T2 DE69413742 T2 DE 69413742T2
Authority
DE
Germany
Prior art keywords
dimethylnaphthalene
isomerization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69413742T
Other languages
English (en)
Other versions
DE69413742D1 (de
Inventor
Makoto Takagawa
Ryusuke Shigematsu
Takayo Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Publication of DE69413742D1 publication Critical patent/DE69413742D1/de
Application granted granted Critical
Publication of DE69413742T2 publication Critical patent/DE69413742T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
    • C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
    • C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
    • C07C5/2732—Catalytic processes
    • C07C5/2737—Catalytic processes with crystalline alumino-silicates, e.g. molecular sieves
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00—Catalysts comprising molecular sieves
    • C07C2529/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/18—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the mordenite type
DE69413742T 1993-04-19 1994-03-19 Verfahren zur Isomerisierung von Dimethylnaphthalin Expired - Lifetime DE69413742T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5091503A JP2921541B2 (ja) 1993-04-19 1993-04-19 ジメチルナフタレンの異性化方法

Publications (2)

Publication Number Publication Date
DE69413742D1 DE69413742D1 (de) 1998-11-12
DE69413742T2 true DE69413742T2 (de) 1999-03-11

Family

ID=14028222

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413742T Expired - Lifetime DE69413742T2 (de) 1993-04-19 1994-03-19 Verfahren zur Isomerisierung von Dimethylnaphthalin

Country Status (4)

Country Link
US (1) US5481055A (de)
EP (1) EP0621251B1 (de)
JP (1) JP2921541B2 (de)
DE (1) DE69413742T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057487A (en) * 1997-12-30 2000-05-02 Chevron Chemical Company Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization
US5955641A (en) * 1998-03-16 1999-09-21 Chevron Chemical Company Llc Method of making dimethylnaphthalenes
IT1300061B1 (it) * 1998-04-17 2000-04-19 Eniricerche S P A Ora Enitecno Processo per preparare 2,6-dimetilnaftalene
IT1314190B1 (it) 1999-10-18 2002-12-06 Eni Spa Processo per preparare 2,6-dimetilnaftalene
ITMI20011205A1 (it) * 2001-06-07 2002-12-07 Enichem Spa Processo integrato di produzione di 2,6 dimetilfaftalene
KR101057636B1 (ko) * 2004-01-28 2011-08-19 에스케이이노베이션 주식회사 다이메틸나프탈렌의 이성질화 촉매 및 이를 이용한다이메틸나프탈렌의 기상 이성질화 방법
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법
JP5091992B2 (ja) * 2010-09-01 2012-12-05 株式会社日立製作所 電磁ブレーキ及びエレベーター装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888938A (en) * 1973-05-26 1975-06-10 Teijin Ltd Process for obtaining 2,6-dimethylnaphthalene-rich or 2,7-dimethylnaphthalene-rich product
JPS5724331B2 (de) * 1973-05-31 1982-05-24
US3890403A (en) * 1973-11-14 1975-06-17 Teijin Ltd Process for separating and recovering 2,6-dimethylnaththalenes
US4041089A (en) * 1976-06-28 1977-08-09 Standard Oil Company A Corporation Of Indiana Process for the isomerization of dimethylnaphthalenes using a mordenite/alumina catalyst
US4556751A (en) * 1984-02-14 1985-12-03 Mitsubishi Chemical Industries Limited Catalytic isomerization process of dimethylnaphthalenes
US4735929A (en) * 1985-09-03 1988-04-05 Uop Inc. Catalytic composition for the isomerization of paraffinic hydrocarbons
US4783570A (en) * 1987-05-26 1988-11-08 Amoco Corporation Selective gas-phase isomerization of dimethylnaphthalene: 2,7-DMN triad
US5254769A (en) * 1991-06-21 1993-10-19 Mitsubishi Gas Chemical Company, Inc. Method of isomerization of dimethylnaphthalenes

Also Published As

Publication number Publication date
JP2921541B2 (ja) 1999-07-19
EP0621251B1 (de) 1998-10-07
DE69413742D1 (de) 1998-11-12
EP0621251A1 (de) 1994-10-26
US5481055A (en) 1996-01-02
JPH06298675A (ja) 1994-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition