FR2049944A5 - - Google Patents

Info

Publication number
FR2049944A5
FR2049944A5 FR7020607A FR7020607A FR2049944A5 FR 2049944 A5 FR2049944 A5 FR 2049944A5 FR 7020607 A FR7020607 A FR 7020607A FR 7020607 A FR7020607 A FR 7020607A FR 2049944 A5 FR2049944 A5 FR 2049944A5
Authority
FR
France
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
FR7020607A
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.)
Japan Gas Chemical Co Inc
Original Assignee
Japan Gas Chemical Co 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 Japan Gas Chemical Co Inc filed Critical Japan Gas Chemical Co Inc
Application granted granted Critical
Publication of FR2049944A5 publication Critical patent/FR2049944A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
    • C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/22—Accessories
FR7020607A 1969-06-05 1970-06-04 Expired FR2049944A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4441069 1969-06-05

Publications (1)

Publication Number Publication Date
FR2049944A5 true FR2049944A5 (fr) 1971-03-26

Family

ID=12690725

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7020607A Expired FR2049944A5 (fr) 1969-06-05 1970-06-04

Country Status (4)

Country Link
US (1) US3709928A (fr)
DE (1) DE2027443C3 (fr)
FR (1) FR2049944A5 (fr)
GB (1) GB1297986A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375534A (en) * 1980-08-14 1983-03-01 Main Jim I Method of making a contact lens material and a lens therefrom
US4358347A (en) * 1982-01-26 1982-11-09 The Dow Chemical Company Removal of trace aldehydes from carboxylic acids
US4597834A (en) * 1983-04-14 1986-07-01 Lloyd Berg Separation of methyl acetate from methanol by extractive distillation
US4544454A (en) * 1983-04-25 1985-10-01 Lloyd Berg Separation of isopropyl ether from methyl ethyl ketone by extractive distillation
US4569726A (en) * 1984-07-19 1986-02-11 Lloyd Berg Process for the separation of ethyl acetate from ethanol and water by extractive distillation
DE3836093A1 (de) * 1988-10-22 1990-04-26 Degussa Verfahren zur herstellung von hochsiedenden acrylaten bzw. methacrylaten
US4910329A (en) * 1989-01-11 1990-03-20 Rohm And Haas Company Process for preparing hydroxyalkyl esters
US4975157A (en) * 1990-07-12 1990-12-04 Lloyd Berg Separation of lactate esters by extractive distillation
US5342487A (en) * 1991-10-08 1994-08-30 Rohm And Haas Compnay Distillation process
US5750772A (en) * 1997-01-30 1998-05-12 E. I. Du Pont De Nemours And Company Decolorization of hydroxy-containing methacrylate homopolymers and copolymers
JP2002088022A (ja) * 2000-09-08 2002-03-27 Nippon Shokubai Co Ltd ヒドロキシアルキル（メタ）アクリレートの製造方法
US20020091283A1 (en) * 2001-01-10 2002-07-11 Hajime Matsumoto Production process for hydroxylalkyl (meth)acrylate

Also Published As

Publication number Publication date
DE2027443B2 (de) 1974-02-14
US3709928A (en) 1973-01-09
DE2027443A1 (de) 1971-01-21
GB1297986A (fr) 1972-11-29
DE2027443C3 (de) 1974-10-03

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Legal Events

Date Code Title Description
ST Notification of lapse