DE69213343D1 - Verfahren zur Isomerisierung von Dimethylnaphthalinen - Google Patents

Verfahren zur Isomerisierung von Dimethylnaphthalinen

Info

Publication number
DE69213343D1
DE69213343D1 DE69213343T DE69213343T DE69213343D1 DE 69213343 D1 DE69213343 D1 DE 69213343D1 DE 69213343 T DE69213343 T DE 69213343T DE 69213343 T DE69213343 T DE 69213343T DE 69213343 D1 DE69213343 D1 DE 69213343D1
Authority
DE
Germany
Prior art keywords
dimethylnaphthalenes
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 - Fee Related
Application number
DE69213343T
Other languages
English (en)
Other versions
DE69213343T2 (de
Inventor
Makoto Takagawa
Ken Yamagishi
Kazuo Nagagata
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
Priority claimed from JP3177648A external-priority patent/JPH0565235A/ja
Priority claimed from JP3304104A external-priority patent/JPH05117177A/ja
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Application granted granted Critical
Publication of DE69213343D1 publication Critical patent/DE69213343D1/de
Publication of DE69213343T2 publication Critical patent/DE69213343T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C07C5/274—Catalytic processes with inorganic acids; with salts or anhydrides of acids
    • C07C5/2748—Acids of halogen; Salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69213343T 1991-06-21 1992-03-18 Verfahren zur Isomerisierung von Dimethylnaphthalinen Expired - Fee Related DE69213343T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3177648A JPH0565235A (ja) 1991-06-21 1991-06-21 ジメチルナフタレンの異性化方法
JP3304104A JPH05117177A (ja) 1991-10-23 1991-10-23 ジメチルナフタレンの異性化法

Publications (2)

Publication Number Publication Date
DE69213343D1 true DE69213343D1 (de) 1996-10-10
DE69213343T2 DE69213343T2 (de) 1997-01-23

Family

ID=26498125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213343T Expired - Fee Related DE69213343T2 (de) 1991-06-21 1992-03-18 Verfahren zur Isomerisierung von Dimethylnaphthalinen

Country Status (3)

Country Link
US (1) US5254769A (de)
EP (1) EP0519165B1 (de)
DE (1) DE69213343T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2921541B2 (ja) * 1993-04-19 1999-07-19 三菱瓦斯化学株式会社 ジメチルナフタレンの異性化方法
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
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527825A (en) * 1947-06-13 1950-10-31 California Research Corp Manufacture of xylene isomers
US3109036A (en) * 1961-10-12 1963-10-29 Sun Oil Co Isomerization of dimethylnaphthalenes
JPS4876852A (de) * 1972-01-19 1973-10-16
JPS5619329B2 (de) * 1973-05-10 1981-05-07
JPS5089353A (de) * 1973-12-18 1975-07-17
JPS584008A (ja) * 1981-06-29 1983-01-11 株式会社バンザイ 埋込灯用清掃車
JPS5988433A (ja) * 1982-11-09 1984-05-22 Mitsubishi Chem Ind Ltd ジメチルナフタレンの接触異性化法
JPH0739356B2 (ja) * 1983-09-27 1995-05-01 三菱化学株式会社 ジメチルナフタレン類の接触異性化法
US5012024A (en) * 1988-06-24 1991-04-30 Amoco Corporation Preparation of a dimethylnaphthalene

Also Published As

Publication number Publication date
DE69213343T2 (de) 1997-01-23
EP0519165B1 (de) 1996-09-04
US5254769A (en) 1993-10-19
EP0519165A3 (en) 1995-01-18
EP0519165A2 (de) 1992-12-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee