DE68926574D1 - Verfahren zur reinigung eines rohen dimethyl-naphthalin-dikarboxylats - Google Patents
Verfahren zur reinigung eines rohen dimethyl-naphthalin-dikarboxylatsInfo
- Publication number
- DE68926574D1 DE68926574D1 DE68926574T DE68926574T DE68926574D1 DE 68926574 D1 DE68926574 D1 DE 68926574D1 DE 68926574 T DE68926574 T DE 68926574T DE 68926574 T DE68926574 T DE 68926574T DE 68926574 D1 DE68926574 D1 DE 68926574D1
- Authority
- DE
- Germany
- Prior art keywords
- purifying
- dikarboxylate
- naphthaline
- dimethyl
- raw dimethyl
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- QNLZIZAQLLYXTC-UHFFFAOYSA-N 1,2-dimethylnaphthalene Chemical compound C1=CC=CC2=C(C)C(C)=CC=C21 QNLZIZAQLLYXTC-UHFFFAOYSA-N 0.000 title 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- JGJWEXOAAXEJMW-UHFFFAOYSA-N dimethyl naphthalene-1,2-dicarboxylate Chemical compound C1=CC=CC2=C(C(=O)OC)C(C(=O)OC)=CC=C21 JGJWEXOAAXEJMW-UHFFFAOYSA-N 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/84—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring
- C07C69/88—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring of monocyclic hydroxy carboxylic acids, the hydroxy groups and the carboxyl groups of which are bound to carbon atoms of a six-membered aromatic ring with esterified carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/274,238 US4886901A (en) | 1988-11-21 | 1988-11-21 | Method for purifying a crude dimethyl naphthalene dicarboxylate |
| PCT/US1989/005282 WO1990006046A2 (en) | 1988-11-21 | 1989-11-17 | Method for purifying a crude dimethyl naphthalene dicarboxylate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE68926574D1 true DE68926574D1 (de) | 1996-07-04 |
| DE68926574T2 DE68926574T2 (de) | 1996-09-26 |
Family
ID=23047381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE68926574T Expired - Fee Related DE68926574T2 (de) | 1988-11-21 | 1989-11-17 | Verfahren zur reinigung eines rohen dimethyl-naphthalin-dikarboxylats |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4886901A (de) |
| EP (1) | EP0444132B1 (de) |
| JP (1) | JP2808185B2 (de) |
| KR (1) | KR0137646B1 (de) |
| AT (1) | ATE138636T1 (de) |
| DE (1) | DE68926574T2 (de) |
| WO (1) | WO1990006046A2 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5101050A (en) * | 1989-11-29 | 1992-03-31 | Amoco Corporation | Process for the production of aromatic anhydrides and aromatic esters with superior color properties |
| US5169977A (en) * | 1990-03-15 | 1992-12-08 | Mitsubishi Gas Chemical Company, Inc. | Process for purifying dimethyl-2,6-naphthalene dicarboxylate |
| EP0450621A3 (en) * | 1990-04-05 | 1993-05-12 | Sumikin Chemical Co., Ltd. | Process for the preparation of high-purity naphthalenecarboxylic acid esters |
| US5194572A (en) * | 1990-08-30 | 1993-03-16 | Amoco Corporation | Stabilized naphthalenedicarboxylic acid diesters |
| US5138025A (en) * | 1990-08-30 | 1992-08-11 | Amoco Corporation | Stabilized naphthalenedicarboxylic acid diesters |
| US5328927A (en) * | 1992-03-03 | 1994-07-12 | Merck Sharpe & Dohme, Ltd. | Hetercyclic compounds, processes for their preparation and pharmaceutical compositions containing them |
| US6054610A (en) * | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
| US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
| US5929274A (en) * | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
| US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| US6013831A (en) * | 1997-05-08 | 2000-01-11 | Mitsubishi Gas Chemical Company, Inc. | Processes for the production of high-purity dimethyl 2, 6-naphthalenedicarboxylate and naphthalenedicarboxylic acid |
| EP1212277B1 (de) | 1999-08-30 | 2004-04-21 | Mossi & Ghisolfi International S.A. | Integriertes verfahren zur herstellung von 2,6-naphthalendicarbonsäure |
| KR100417058B1 (ko) * | 2001-06-01 | 2004-02-05 | 한국화학연구원 | 폴리에틸렌 왁스의 정제방법 및 그 장치 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL285685A (de) * | 1962-03-09 | |||
| US3402195A (en) * | 1964-05-18 | 1968-09-17 | Diamond Shamrock Corp | Recovery of alkyl tetrahaloterephthalates from xylene |
| US3425915A (en) * | 1967-02-09 | 1969-02-04 | Edward S Roberts | Purification of high boiling aromatic compounds by codistillation with a chlorinated diphenyl solvent |
| DD104973A5 (de) * | 1972-09-12 | 1974-04-05 | ||
| JPS4996467A (de) * | 1973-01-24 | 1974-09-12 | ||
| DE2323219A1 (de) * | 1973-05-09 | 1974-11-21 | Hoechst Ag | Verfahren zur reinigung von terephthalsaeuredimethylester |
| AR204838A1 (es) * | 1973-08-20 | 1976-03-05 | Amp Inc | Aparato para situar en una zona de trabajo en una disposicion espaciada predeterminada los extremos libres de una pluralidad de alambres conductores electricos |
| US4048021A (en) * | 1974-02-12 | 1977-09-13 | Teijin Limited | Method of purifying crude 2,6-naphthalenedicarboxylic acid dimethyl ester |
| JPS522237U (de) * | 1975-06-24 | 1977-01-08 | ||
| US4402195A (en) * | 1982-02-02 | 1983-09-06 | Campbell Loyal E | Drinking mug |
| JPS6119551A (ja) * | 1984-05-17 | 1986-01-28 | Koyo Seiko Co Ltd | 軸付きころがり軸受の外輪外周面研削装置 |
| JPS6048814A (ja) * | 1984-07-19 | 1985-03-16 | Yokota Kikai Kk | 電子部品塔載用コンベア |
-
1988
- 1988-11-21 US US07/274,238 patent/US4886901A/en not_active Expired - Lifetime
-
1989
- 1989-11-17 WO PCT/US1989/005282 patent/WO1990006046A2/en active IP Right Grant
- 1989-11-17 JP JP2500470A patent/JP2808185B2/ja not_active Expired - Fee Related
- 1989-11-17 AT AT90900473T patent/ATE138636T1/de not_active IP Right Cessation
- 1989-11-17 DE DE68926574T patent/DE68926574T2/de not_active Expired - Fee Related
- 1989-11-17 EP EP90900473A patent/EP0444132B1/de not_active Expired - Lifetime
- 1989-11-17 KR KR1019900701556A patent/KR0137646B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR900701727A (ko) | 1990-12-04 |
| WO1990006046A3 (en) | 1990-08-09 |
| EP0444132A1 (de) | 1991-09-04 |
| EP0444132B1 (de) | 1996-05-29 |
| KR0137646B1 (ko) | 1998-04-30 |
| JPH03502334A (ja) | 1991-05-30 |
| ATE138636T1 (de) | 1996-06-15 |
| EP0444132A4 (de) | 1991-07-04 |
| US4886901A (en) | 1989-12-12 |
| JP2808185B2 (ja) | 1998-10-08 |
| DE68926574T2 (de) | 1996-09-26 |
| WO1990006046A2 (en) | 1990-06-14 |
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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 |