ATE263745T1 - Verfahren zur herstellung von 2,6- dimethylnaphthalin - Google Patents

Verfahren zur herstellung von 2,6- dimethylnaphthalin

Info

Publication number: ATE263745T1
Authority: AT; Austria
Prior art keywords: dimethylnaphthalene; cake; separation; content; liquid
Prior art date: 2000-10-02

Application number

AT01308418T

Other languages

English (en)

Inventor

Shingo Yoshida

Masahiro Motoyuki

Tomoki Uemura

Koji Yamamoto

Original Assignee

Kobe Steel Ltd

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.)

2000-10-02

Filing date

2001-10-02

Publication date

2004-04-15

2001-10-02 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2004-04-15 Application granted granted Critical

2004-04-15 Publication of ATE263745T1 publication Critical patent/ATE263745T1/de

Links

238000004519 manufacturing process Methods 0.000 title abstract 3
YGYNBBAUIYTWBF-UHFFFAOYSA-N 2,6-dimethylnaphthalene Chemical compound C1=C(C)C=CC2=CC(C)=CC=C21 YGYNBBAUIYTWBF-UHFFFAOYSA-N 0.000 abstract 10
239000007788 liquid Substances 0.000 abstract 4
238000000926 separation method Methods 0.000 abstract 4
QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical class C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 abstract 3
238000000034 method Methods 0.000 abstract 3
LRQYSMQNJLZKPS-UHFFFAOYSA-N 2,7-dimethylnaphthalene Chemical compound C1=CC(C)=CC2=CC(C)=CC=C21 LRQYSMQNJLZKPS-UHFFFAOYSA-N 0.000 abstract 2
238000002425 crystallisation Methods 0.000 abstract 2
230000008025 crystallization Effects 0.000 abstract 2
239000012452 mother liquor Substances 0.000 abstract 2
238000000746 purification Methods 0.000 abstract 2
PHMZQTUIUCCHOX-UHFFFAOYSA-N 2,7-dimethylnaphthalene-1-carboxylic acid Chemical compound C1=CC(C)=C(C(O)=O)C2=CC(C)=CC=C21 PHMZQTUIUCCHOX-UHFFFAOYSA-N 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1

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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AT01308418T 2000-10-02 2001-10-02 Verfahren zur herstellung von 2,6- dimethylnaphthalin ATE263745T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2000302601A JP2002114718A (ja)	2000-10-02	2000-10-02	２，６−ジメチルナフタレンの製造方法

Publications (1)

Publication Number	Publication Date
ATE263745T1 true ATE263745T1 (de)	2004-04-15

Family

ID=18783927

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT01308418T ATE263745T1 (de)	2000-10-02	2001-10-02	Verfahren zur herstellung von 2,6- dimethylnaphthalin

Country Status (8)

Country	Link
US (1)	US6525235B2 (de)
EP (1)	EP1193237B1 (de)
JP (1)	JP2002114718A (de)
KR (1)	KR100473001B1 (de)
AT (1)	ATE263745T1 (de)
CA (1)	CA2357891A1 (de)
DE (1)	DE60102641T2 (de)
TW (1)	TWI221150B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2003026614A (ja) *	2001-07-13	2003-01-29	Kobe Steel Ltd	２，６−ジメチルナフタレンの濃縮方法
KR100621823B1 (ko) *	2004-07-21	2006-09-14	재단법인서울대학교산학협력재단	2,6-디알킬테트랄린의 제조 방법
KR100671846B1 (ko) *	2006-03-27	2007-01-19	에스케이씨 주식회사	고순도 알킬렌 카보네이트의 제조방법
KR100721442B1 (ko) *	2006-06-23	2007-05-23	주식회사 효성	이성화 반응 및 결정화 공정을 포함하는2,6-디메틸나프탈렌의 분리 및 정제 방법
KR100934164B1 (ko) *	2007-10-23	2009-12-29	주식회사 효성	2,6-디메틸나프탈렌의 결정 크기 및 결정 형상 제어를 통한고순도 분리 및 정제 방법
WO2022107812A1 (ja) *	2020-11-20	2022-05-27	株式会社日本触媒	精製装置
US20240010599A1 (en) *	2020-11-20	2024-01-11	Nippon Shokubai Co., Ltd.	Method for purifying compound

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5022553B1 (de) *	1970-10-23	1975-07-31
JPS5334869B2 (de)	1973-06-26	1978-09-22
JPH09176054A (ja)	1995-12-26	1997-07-08	Kobe Steel Ltd	結晶性物質の精製方法
US5744670A (en)	1996-06-10	1998-04-28	Kobe Steel, Ltd.	Process for preparing dialkylnaphthalene
US5723711A (en)	1996-11-06	1998-03-03	Kobe Steel, Ltd.	Process for preparing 2-methylnaphthalene
US6011190A (en)	1997-07-02	2000-01-04	Kabushiki Kaisha Kobe Seiko Sho	Process for preparing dialkylnaphthalene
JPH11104402A (ja)	1997-10-03	1999-04-20	Kobe Steel Ltd	アルキルナフタレンの分離方法
US6018087A (en)	1997-10-10	2000-01-25	Kabushiki Kaisha Kobe Seiko Sho.	Isomerization of dimethylnaphthalene to produce 2,6-dimethylnaphthalene
US6018086A (en)	1997-10-10	2000-01-25	Kabushiki Kaisha Kobe Seiko Sho	Process for preparing 2,6-dialkylnaphthalene
MXPA02002225A (es) *	1999-08-31	2002-09-02	Kobe Steel Ltd	Metodo para fabricar 2,6-dimetilnaftaleno.

2000
- 2000-10-02 JP JP2000302601A patent/JP2002114718A/ja not_active Withdrawn
2001
- 2001-09-24 TW TW090123493A patent/TWI221150B/zh not_active IP Right Cessation
- 2001-09-28 CA CA002357891A patent/CA2357891A1/en not_active Abandoned
- 2001-09-28 KR KR10-2001-0060374A patent/KR100473001B1/ko not_active Expired - Fee Related
- 2001-10-01 US US09/965,822 patent/US6525235B2/en not_active Expired - Lifetime
- 2001-10-02 DE DE60102641T patent/DE60102641T2/de not_active Expired - Fee Related
- 2001-10-02 AT AT01308418T patent/ATE263745T1/de not_active IP Right Cessation
- 2001-10-02 EP EP01308418A patent/EP1193237B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US6525235B2 (en)	2003-02-25
US20020065447A1 (en)	2002-05-30
CA2357891A1 (en)	2002-04-02
KR20020026840A (ko)	2002-04-12
EP1193237A1 (de)	2002-04-03
EP1193237B1 (de)	2004-04-07
KR100473001B1 (ko)	2005-03-07
JP2002114718A (ja)	2002-04-16
DE60102641D1 (de)	2004-05-13
DE60102641T2 (de)	2005-03-31
TWI221150B (en)	2004-09-21

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Legal Events

Date	Code	Title	Description
2004-10-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties