FR1319024A - Traitements de mélanges contenant de l'isophtalate de diméthyle - Google Patents

Traitements de mélanges contenant de l'isophtalate de diméthyle

Info

Publication number
FR1319024A
FR1319024A FR893105A FR893105A FR1319024A FR 1319024 A FR1319024 A FR 1319024A FR 893105 A FR893105 A FR 893105A FR 893105 A FR893105 A FR 893105A FR 1319024 A FR1319024 A FR 1319024A
Authority
FR
France
Prior art keywords
treatments
mixtures containing
dimethyl isophthalate
containing dimethyl
isophthalate
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
Application number
FR893105A
Other languages
English (en)
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.)
Chemische Werke Witten GmbH
Original Assignee
Chemische Werke Witten GmbH
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 Chemische Werke Witten GmbH filed Critical Chemische Werke Witten GmbH
Application granted granted Critical
Publication of FR1319024A publication Critical patent/FR1319024A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • 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
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
FR893105A 1961-04-15 1962-04-03 Traitements de mélanges contenant de l'isophtalate de diméthyle Expired FR1319024A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1961C0023889 DE1139827B (de) 1961-04-15 1961-04-15 Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen.

Publications (1)

Publication Number Publication Date
FR1319024A true FR1319024A (fr) 1963-01-14

Family

ID=7017537

Family Applications (1)

Application Number Title Priority Date Filing Date
FR893105A Expired FR1319024A (fr) 1961-04-15 1962-04-03 Traitements de mélanges contenant de l'isophtalate de diméthyle

Country Status (6)

Country Link
US (1) US3248417A (fr)
BE (1) BE616438A (fr)
DE (1) DE1139827B (fr)
FR (1) FR1319024A (fr)
GB (1) GB978172A (fr)
NL (1) NL270266A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843340B1 (fr) * 1970-04-15 1973-12-18
US3855275A (en) * 1971-04-30 1974-12-17 Halcon International Inc Treatment of terephthalic acid reaction
DD104973A5 (fr) * 1972-09-12 1974-04-05
US4032563A (en) * 1975-09-02 1977-06-28 Standard Oil Company Process for the recovery of high purity diesters of terephthalic or isophthalic acids
CA2504147C (fr) 2002-10-31 2012-08-14 Dow Global Technologies Inc. Dispersion polyurethanne et articles prepares a partir de cette dispersion
EP1711548A1 (fr) * 2004-01-08 2006-10-18 Dutch Polymer Institute Polyurethannes, urees polyurethannes et polyurees leur utilisation
EP1951777B1 (fr) 2005-11-14 2017-05-17 Dow Global Technologies LLC Procede de moulage de mousses polyurethane rigides avec une meilleure conductivite thermique
WO2007137116A2 (fr) * 2006-05-18 2007-11-29 Dow Global Technologies Inc. Polymères de polyuréthane-urée dérivés de diméthanol-cyclohexane
CN101959914B (zh) * 2007-12-26 2014-02-12 陶氏环球技术有限责任公司 聚氨酯分散体和从该分散体制得的涂层
MX2010011131A (es) * 2008-04-09 2010-12-20 Dow Global Technologies Inc Elastomeros de poliuretano.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA538415A (fr) * 1957-03-19 Katzschmann Ewald Procede pour la production d'isophthalate de methyle pure et de terephthalate de methyle pure
GB623836A (en) * 1947-05-09 1949-05-24 Cyril Henry Bowden Manufacture of terephthalic acid
US2702817A (en) * 1953-10-01 1955-02-22 California Research Corp Process for the separation of isophthalic and terephthalic diesters
US2886587A (en) * 1954-07-06 1959-05-12 Phillips Petroleum Co Separation by crystallization

Also Published As

Publication number Publication date
NL270266A (nl) 1964-07-10
BE616438A (fr) 1962-07-31
US3248417A (en) 1966-04-26
GB978172A (en) 1964-12-16
DE1139827B (de) 1962-11-22

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