DE69433800D1 - Verfahren zur Kristallisierung von 2,6-Dimethylnaphthalen - Google Patents

Verfahren zur Kristallisierung von 2,6-Dimethylnaphthalen

Info

Publication number
DE69433800D1
DE69433800D1 DE69433800T DE69433800T DE69433800D1 DE 69433800 D1 DE69433800 D1 DE 69433800D1 DE 69433800 T DE69433800 T DE 69433800T DE 69433800 T DE69433800 T DE 69433800T DE 69433800 D1 DE69433800 D1 DE 69433800D1
Authority
DE
Germany
Prior art keywords
dimethylnaphthalene
crystallization
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
DE69433800T
Other languages
English (en)
Other versions
DE69433800T2 (de
Inventor
Thomas G Smith
John M Weis
Yenamandra Viswanath
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.)
BP Corp North America Inc
Original Assignee
BP Corp North America 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 BP Corp North America Inc filed Critical BP Corp North America Inc
Publication of DE69433800D1 publication Critical patent/DE69433800D1/de
Application granted granted Critical
Publication of DE69433800T2 publication Critical patent/DE69433800T2/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
    • C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
    • C07C15/20—Polycyclic condensed hydrocarbons
    • C07C15/24—Polycyclic condensed hydrocarbons containing two rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
DE69433800T 1993-12-29 1994-12-22 Verfahren zur Kristallisierung von 2,6-Dimethylnaphthalen Expired - Fee Related DE69433800T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/180,104 US5510563A (en) 1993-12-29 1993-12-29 Crystallizaiton of 2,6-dimethylnaphthalene
US180104 1993-12-29

Publications (2)

Publication Number Publication Date
DE69433800D1 true DE69433800D1 (de) 2004-06-24
DE69433800T2 DE69433800T2 (de) 2005-06-23

Family

ID=22659219

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69421273T Expired - Lifetime DE69421273D1 (de) 1993-12-29 1994-12-22 Kristallisation von 2,6-dimethylnaphthalin
DE69433800T Expired - Fee Related DE69433800T2 (de) 1993-12-29 1994-12-22 Verfahren zur Kristallisierung von 2,6-Dimethylnaphthalen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69421273T Expired - Lifetime DE69421273D1 (de) 1993-12-29 1994-12-22 Kristallisation von 2,6-dimethylnaphthalin

Country Status (9)

Country Link
US (2) US5510563A (de)
EP (2) EP0687248B1 (de)
JP (1) JPH08507550A (de)
KR (1) KR100379348B1 (de)
AU (1) AU1555395A (de)
DE (2) DE69421273D1 (de)
ES (2) ES2139184T3 (de)
TW (1) TW319764B (de)
WO (1) WO1995018086A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5948949A (en) * 1996-02-28 1999-09-07 Mitsubishi Gas Chemical Company, Inc. Process for producing 2,6-dimethylnaphthalene
US6072098A (en) * 1996-03-15 2000-06-06 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure 2,6-dimethylnaphthalene
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
KR100316139B1 (ko) * 1999-01-15 2001-12-20 박호군 고순도의 2,6-디메틸나프탈렌의 분리 방법
ATE292612T1 (de) 1999-08-30 2005-04-15 Mossi & Ghisolfi Int Sa Verfahren zur herstellung einer aromatischen disäure unter verwendung eines einzigen katalysatorsystems
MXPA02002229A (es) 1999-08-30 2003-08-20 Mossi & Ghisolfi Overseas Sa Un proceso integrado para la produccion de acido 2,6-naftalendicarboxilico.
KR100621823B1 (ko) * 2004-07-21 2006-09-14 재단법인서울대학교산학협력재단 2,6-디알킬테트랄린의 제조 방법
KR100721442B1 (ko) 2006-06-23 2007-05-23 주식회사 효성 이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법
KR100894785B1 (ko) * 2006-12-29 2009-04-24 주식회사 효성 고순도 2,6-디메틸나프탈렌 연속 결정화 분리정제 방법 및그 장치
KR100934163B1 (ko) * 2007-10-01 2009-12-29 주식회사 효성 결정화 공정을 이용한 고순도 나프탈렌디카르복실산의분리정제 방법 및 장치
CN102776012B (zh) * 2012-07-20 2014-04-09 山西永东化工股份有限公司 一种降低低萘洗油密度的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3153676A (en) * 1961-06-27 1964-10-20 Sun Oil Co Preparation of naphthalene and 2, 6-dimethylnaphthalene
US3202726A (en) * 1961-07-03 1965-08-24 Sun Oil Co Recovery of dimethylnaphthalenes
US3485885A (en) * 1968-04-22 1969-12-23 Sun Oil Co Process for the purification of 2,6-dimethylnaphthalene
US3590091A (en) * 1968-08-16 1971-06-29 Sun Oil Co Crystallization and purification of 2,6-dmn
US3541175A (en) * 1968-11-29 1970-11-17 Sun Oil Co Separation of 2,6 - dmn and 2,7 - dmn eutectic via trans 2,6-dimethyldecalin crystallization
US3594436A (en) * 1969-02-03 1971-07-20 Sun Oil Co Separation of 2,6-and 2,7-dmn eutectic via 2,6-dimethyltetrahydronaphthalene crystallization
GB1354479A (en) * 1970-05-04 1974-06-05 Young J B Method of and apparatus for processing a sheet having a surface provided with a light sensitive coating
JPS5228792B1 (de) * 1971-01-27 1977-07-28
JPS5120507B1 (de) * 1971-06-08 1976-06-25
JPS5118945B2 (de) * 1971-12-01 1976-06-14
US3775496A (en) * 1972-08-09 1973-11-27 Sun Research Development Preparation of 2,6-dimethylnaphthalene and 2,7-dimethylnaphthalene
JPS5334869B2 (de) * 1973-06-26 1978-09-22
DE3740313C2 (de) * 1986-11-28 1996-02-15 Mitsubishi Chem Corp Verfahren zur Abtrennung von 2,6-Dimethylnaphthalin
US5198594A (en) * 1991-11-27 1993-03-30 Amoco Corporation Alkylation of alkylaromatics promoted by sonicated alkali metal
JPH05170674A (ja) * 1991-12-25 1993-07-09 Teijin Ltd アルケニルベンゼン及びその誘導体の製造方法

Also Published As

Publication number Publication date
EP0687248B1 (de) 1999-10-20
US5977426A (en) 1999-11-02
EP0926114A2 (de) 1999-06-30
ES2139184T3 (es) 2000-02-01
EP0926114B1 (de) 2004-05-19
JPH08507550A (ja) 1996-08-13
EP0926114A3 (de) 1999-07-07
EP0687248A4 (de) 1996-05-01
EP0687248A1 (de) 1995-12-20
ES2221251T3 (es) 2004-12-16
WO1995018086A1 (en) 1995-07-06
KR100379348B1 (ko) 2003-05-22
DE69421273D1 (de) 1999-11-25
AU1555395A (en) 1995-07-17
TW319764B (de) 1997-11-11
KR960700980A (ko) 1996-02-24
DE69433800T2 (de) 2005-06-23
US5510563A (en) 1996-04-23

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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