HUT54959A - Process for purifying cyclic ethers - Google Patents

Process for purifying cyclic ethers

Info

Publication number
HUT54959A
HUT54959A HU313489A HU313489A HUT54959A HU T54959 A HUT54959 A HU T54959A HU 313489 A HU313489 A HU 313489A HU 313489 A HU313489 A HU 313489A HU T54959 A HUT54959 A HU T54959A
Authority
HU
Hungary
Prior art keywords
cyclic ethers
solvent
purifying cyclic
purifying
pref
Prior art date
Application number
HU313489A
Other languages
Hungarian (hu)
Other versions
HU206662B (en
Inventor
Laszlo Zahoranszky
Janos Palincza
Janos Repasi
Imrene Tarr
Ernoe Molnar
Original Assignee
Alkaloida Vegyeszeti Gyar
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 Alkaloida Vegyeszeti Gyar filed Critical Alkaloida Vegyeszeti Gyar
Priority to HU313489A priority Critical patent/HU206662B/en
Publication of HUT54959A publication Critical patent/HUT54959A/en
Publication of HU206662B publication Critical patent/HU206662B/en

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Cyclic ethers or their organic solvent solns. may be purified by adding 5-10wt.% excess/based on water content of solvent or solvent mixt) of calcium oxide, followed by distillation pref with simultaneous agitation of the soln
HU313489A 1989-06-19 1989-06-19 Process for purifying cyclic ethers HU206662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU313489A HU206662B (en) 1989-06-19 1989-06-19 Process for purifying cyclic ethers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU313489A HU206662B (en) 1989-06-19 1989-06-19 Process for purifying cyclic ethers

Publications (2)

Publication Number Publication Date
HUT54959A true HUT54959A (en) 1991-04-29
HU206662B HU206662B (en) 1992-12-28

Family

ID=10962728

Family Applications (1)

Application Number Title Priority Date Filing Date
HU313489A HU206662B (en) 1989-06-19 1989-06-19 Process for purifying cyclic ethers

Country Status (1)

Country Link
HU (1) HU206662B (en)

Also Published As

Publication number Publication date
HU206662B (en) 1992-12-28

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee
HMM4 Cancellation of final prot. due to non-payment of fee
HPC4 Succession in title of patentee

Owner name: MOLNAR ERNOE, HU

Owner name: DR. REPASI JANOS, HU

Owner name: PALINCZA JANOS, HU

Owner name: ZAHORANSZKY LASZLO, HU

Owner name: TARR IMRENE, HU

HRH9 Withdrawal of annulment decision
HPC4 Succession in title of patentee

Owner name: ICN MAGYARORSZAG RESZVENYTARSASAG, HU

HMM4 Cancellation of final prot. due to non-payment of fee