FR2058069A5 - - Google Patents

Info

Publication number
FR2058069A5
FR2058069A5 FR7029921A FR7029921A FR2058069A5 FR 2058069 A5 FR2058069 A5 FR 2058069A5 FR 7029921 A FR7029921 A FR 7029921A FR 7029921 A FR7029921 A FR 7029921A FR 2058069 A5 FR2058069 A5 FR 2058069A5
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
FR7029921A
Other languages
French (fr)
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co 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.)
Filing date
Publication date
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Application granted granted Critical
Publication of FR2058069A5 publication Critical patent/FR2058069A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D307/08—Preparation of tetrahydrofuran

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
FR7029921A 1969-08-14 1970-08-13 Expired FR2058069A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44063840A JPS4920581B1 (enExample) 1969-08-14 1969-08-14

Publications (1)

Publication Number Publication Date
FR2058069A5 true FR2058069A5 (enExample) 1971-05-21

Family

ID=13240924

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7029921A Expired FR2058069A5 (enExample) 1969-08-14 1970-08-13

Country Status (5)

Country Link
US (1) US3694465A (enExample)
JP (1) JPS4920581B1 (enExample)
DE (1) DE2040089C3 (enExample)
FR (1) FR2058069A5 (enExample)
GB (1) GB1313325A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249839B2 (enExample) * 1973-05-31 1977-12-20
JPS5293763A (en) * 1976-02-04 1977-08-06 Mitsubishi Chem Ind Ltd Preparation of tetrahydrofuran
US4197248A (en) * 1978-03-22 1980-04-08 E. I. Du Pont De Nemours And Company Reduction in chemical oxygen demand of water from crude tetrahydrofuran
US4348262A (en) 1980-05-19 1982-09-07 E. I. Du Pont De Nemours And Company Refining tetrahydrofuran

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2366464A (en) * 1945-01-02 Manufacture of tetbahydbofuman
US1466435A (en) * 1921-12-29 1923-08-28 Us Ind Alcohol Co Process of dehydrating organic liquids
US2251895A (en) * 1937-10-29 1941-08-05 Gen Aniline & Film Corp Production of tetrahydrofuranes
US2251835A (en) * 1939-05-05 1941-08-05 Gen Aniline & Film Corp Production of tetrahydrofurane from 1,4-butylene glycol
US2795591A (en) * 1953-02-25 1957-06-11 Du Pont Compound and process for drying tetrahydrofuran
US2779721A (en) * 1954-02-17 1957-01-29 Dow Chemical Co Method of drying butylene oxides
US3138545A (en) * 1955-05-10 1964-06-23 Fmc Corp Dehydration of nu, nu-dimethylhydrazine by distillation in the presence of an alkali

Also Published As

Publication number Publication date
DE2040089A1 (de) 1971-02-25
JPS4920581B1 (enExample) 1974-05-25
DE2040089C3 (de) 1982-06-09
GB1313325A (en) 1973-04-11
DE2040089B2 (de) 1974-08-01
US3694465A (en) 1972-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse