NL7205401A - - Google Patents

Info

Publication number
NL7205401A
NL7205401A NL7205401A NL7205401A NL7205401A NL 7205401 A NL7205401 A NL 7205401A NL 7205401 A NL7205401 A NL 7205401A NL 7205401 A NL7205401 A NL 7205401A NL 7205401 A NL7205401 A NL 7205401A
Authority
NL
Netherlands
Application number
NL7205401A
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 filed Critical
Publication of NL7205401A publication Critical patent/NL7205401A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • 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
    • C07C67/52—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
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
NL7205401A 1971-04-30 1972-04-21 NL7205401A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00139083A US3855275A (en) 1971-04-30 1971-04-30 Treatment of terephthalic acid reaction

Publications (1)

Publication Number Publication Date
NL7205401A true NL7205401A (de) 1972-11-01

Family

ID=22485042

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7205401A NL7205401A (de) 1971-04-30 1972-04-21

Country Status (7)

Country Link
US (1) US3855275A (de)
JP (1) JPS5146101B1 (de)
BE (1) BE782616A (de)
FR (1) FR2134524B1 (de)
GB (1) GB1382278A (de)
IT (1) IT954494B (de)
NL (1) NL7205401A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0312001U (de) * 1989-06-14 1991-02-07
WO2013143825A1 (en) * 2012-03-30 2013-10-03 Exxonmobil Chemical Patents Inc. Esterification process
JP6627522B2 (ja) * 2016-01-15 2020-01-08 富士電機株式会社 半導体装置用部材及び半導体装置の製造方法、及び半導体装置用部材
CN114108120A (zh) * 2021-12-27 2022-03-01 江苏恒科新材料有限公司 一种熔体直纺多孔超细聚酯纤维及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA765853A (en) * 1967-08-22 Mitsubishi Chemical Industries Limited Method for purifying dimethylterephthalates
BE519660A (fr) * 1952-05-05 1953-11-03 Melle Usines Sa Procédé pour la décoloration des plastifiants et l'amélioration de leur stabilité thermique
US2856375A (en) * 1954-08-27 1958-10-14 Exxon Research Engineering Co Fiber-forming polyesters of bisacetoxymethyl durene
GB955516A (en) * 1960-12-28 1964-04-15 Toyo Rayon Co Ltd Improvements in or relating to the preparation of dimethyl terephthalate
DE1139827B (de) * 1961-04-15 1962-11-22 Chemische Werke Witten Gesell schaft mit beschrankter Haftung, Witten Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen.
GB1032730A (en) * 1962-09-28 1966-06-15 Mitsui Petrochemical Ind A process for purifying lower alkyl esters of phthalic acids containing esters of formylbenzoic acid as impurity
GB1134949A (en) * 1965-05-14 1968-11-27 Sumitomo Chemical Co Method for treating crude bis--ß-hydroxyethyl terephthalate
US3395419A (en) * 1966-07-21 1968-08-06 Ritter Pfaudler Corp Wiper blade assembly
GB1181369A (en) * 1966-08-26 1970-02-18 Mitsubishi Chem Ind Method for Purifying Dimethyl Terephthalate
US3597470A (en) * 1968-01-24 1971-08-03 Celanese Corp Purification of bis(2-hydroxyethyl) terephthalate
CA976561A (en) * 1970-05-28 1975-10-21 Halcon International Process for preparing lower carboxylate esters of bis-(beta-hydroxyethyl)-terephthalate

Also Published As

Publication number Publication date
JPS5146101B1 (de) 1976-12-07
GB1382278A (en) 1975-01-29
US3855275A (en) 1974-12-17
BE782616A (fr) 1972-10-25
IT954494B (it) 1973-08-30
FR2134524B1 (de) 1976-10-29
DE2221450A1 (de) 1972-11-16
FR2134524A1 (de) 1972-12-08
DE2221450B2 (de) 1976-07-15

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Legal Events

Date Code Title Description
BN A decision not to publish the application has become irrevocable