USB466304I5 - - Google Patents

Info

Publication number
USB466304I5
USB466304I5 US46630474A USB466304I5 US B466304 I5 USB466304 I5 US B466304I5 US 46630474 A US46630474 A US 46630474A US B466304 I5 USB466304 I5 US B466304I5
Authority
US
United States
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.)
Pending
Application number
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
Priority claimed from DE19732322709 external-priority patent/DE2322709C3/en
Application filed filed Critical
Publication of USB466304I5 publication Critical patent/USB466304I5/en
Application granted granted Critical
Publication of US4007095A publication Critical patent/US4007095A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
US05/466,304 1973-05-05 1974-05-02 Recovery of anhydrous dioxane extractively distilled with diols or alkanolamine Expired - Lifetime US4007095A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DT2322709 1973-05-05
DE19732322709 DE2322709C3 (en) 1973-05-05 Process for the recovery of substantially anhydrous dioxane

Publications (2)

Publication Number Publication Date
USB466304I5 true USB466304I5 (en) 1976-03-23
US4007095A US4007095A (en) 1977-02-08

Family

ID=5880069

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/466,304 Expired - Lifetime US4007095A (en) 1973-05-05 1974-05-02 Recovery of anhydrous dioxane extractively distilled with diols or alkanolamine

Country Status (3)

Country Link
US (1) US4007095A (en)
FR (1) FR2228062B1 (en)
GB (1) GB1458864A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285881A (en) 1980-04-07 1981-08-25 Conoco, Inc. Dioxane removal from ether sulfate
EP0382384A3 (en) * 1989-01-30 1990-12-19 Arco Chemical Technology Inc. Tetrahydrofuran purification

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283339A (en) * 1979-06-29 1981-08-11 Highland Resources, Inc. Preparation of dioxane and co-products
US4806658A (en) * 1982-11-15 1989-02-21 The Dow Chemical Company Cleavage of polyethylene glycol ethers by hydrolysis
US4801357A (en) * 1988-04-01 1989-01-31 Lloyd Berg Separation of acetic acid from dioxane by extractive distillation
US4806209A (en) * 1988-04-25 1989-02-21 Lloyd Berg Separation of formic acid from dioxane by extractive distillation
US4801358A (en) * 1988-07-28 1989-01-31 Lloyd Berg Separation of acetic acid from dioxane by extractive distillation
US4948469A (en) * 1988-12-05 1990-08-14 Lloyd Berg Separation of formic acid from dioxane by extractive distillation with amides
JP3658009B2 (en) * 1994-01-11 2005-06-08 エイチエヌエイ・ホールディングス・インコーポレーテッド Purification method of cyclic formal
JP3658008B2 (en) * 1994-01-11 2005-06-08 エイチエヌエイ・ホールディングス・インコーポレーテッド Purification method of cyclic formal
JP3587874B2 (en) * 1994-01-11 2004-11-10 エイチエヌエイ・ホールディングス・インコーポレーテッド Purification method of cyclic formal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1681861A (en) * 1924-12-23 1928-08-21 Ig Farbenindustrie Ag Process of a manufacture of dioxan
US1879637A (en) * 1930-02-20 1932-09-27 Carbide & Carbon Chem Corp Manufacture of 1,4 dioxane
US2072101A (en) * 1932-09-01 1937-03-02 Dreyfus Henry Manufacture of organic compounds
US2273923A (en) * 1939-03-11 1942-02-24 Celanese Corp Separation of organic compounds
US3035060A (en) * 1957-06-18 1962-05-15 Standard Oil Co Process for removing water from organic chemicals
US3310478A (en) * 1964-07-10 1967-03-21 Exxon Research Engineering Co Separation of alicyclic ketones and alcohols by extractive distillation with a glycol
DE1693053B2 (en) * 1967-06-19 1973-03-22 PROCESS FOR DRYING ORGANIC SOLVENTS ON A TECHNICAL SCALE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285881A (en) 1980-04-07 1981-08-25 Conoco, Inc. Dioxane removal from ether sulfate
EP0382384A3 (en) * 1989-01-30 1990-12-19 Arco Chemical Technology Inc. Tetrahydrofuran purification

Also Published As

Publication number Publication date
FR2228062B1 (en) 1977-10-28
FR2228062A1 (en) 1974-11-29
DE2322709B2 (en) 1976-01-02
DE2322709A1 (en) 1974-11-28
US4007095A (en) 1977-02-08
GB1458864A (en) 1976-12-15

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