DK122876B - Fremgangsmåde til at befri keten for eddikesyreanhydrid. - Google Patents

Fremgangsmåde til at befri keten for eddikesyreanhydrid.

Info

Publication number
DK122876B
DK122876B DK546967AA DK546967A DK122876B DK 122876 B DK122876 B DK 122876B DK 546967A A DK546967A A DK 546967AA DK 546967 A DK546967 A DK 546967A DK 122876 B DK122876 B DK 122876B
Authority
DK
Denmark
Prior art keywords
liberating
chain
acetic anhydride
anhydride
acetic
Prior art date
Application number
DK546967AA
Other languages
Danish (da)
English (en)
Inventor
H Scheuber
Original Assignee
Lonza Ag
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 Lonza Ag filed Critical Lonza Ag
Publication of DK122876B publication Critical patent/DK122876B/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/87—Preparation of ketenes or dimeric ketenes
    • C07C45/90—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
DK546967AA 1966-11-03 1967-11-02 Fremgangsmåde til at befri keten for eddikesyreanhydrid. DK122876B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1586966A CH464889A (de) 1966-11-03 1966-11-03 Verfahren zum Reinigen von Keten

Publications (1)

Publication Number Publication Date
DK122876B true DK122876B (da) 1972-04-24

Family

ID=4412653

Family Applications (1)

Application Number Title Priority Date Filing Date
DK546967AA DK122876B (da) 1966-11-03 1967-11-02 Fremgangsmåde til at befri keten for eddikesyreanhydrid.

Country Status (11)

Country Link
US (1) US3480676A (en:Method)
BE (1) BE705640A (en:Method)
CH (1) CH464889A (en:Method)
DE (1) DE1693034A1 (en:Method)
DK (1) DK122876B (en:Method)
ES (1) ES346687A1 (en:Method)
FI (1) FI44391B (en:Method)
GB (1) GB1191910A (en:Method)
NL (1) NL6714510A (en:Method)
NO (1) NO121039B (en:Method)
SE (1) SE328563B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046219A1 (de) * 1980-12-08 1982-07-15 Hoechst Ag, 6000 Frankfurt Verfahren zum herstellen von keten
US4861436A (en) * 1989-02-07 1989-08-29 Lloyd Berg Recovery of 4-methyl-2-pentanone from acetic acid by distillation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989565A (en) * 1961-06-20 Purification of ketene
US2816143A (en) * 1957-12-10 Probst
US2967888A (en) * 1961-01-10 Process for the purification of ketene
DE1147220B (de) * 1961-02-07 1963-04-18 Lonza Ag Verfahren zum Foerdern und Verdichten von Keten

Also Published As

Publication number Publication date
FI44391B (en:Method) 1971-08-02
CH464889A (de) 1968-11-15
BE705640A (en:Method) 1968-03-01
US3480676A (en) 1969-11-25
SE328563B (en:Method) 1970-09-21
ES346687A1 (es) 1968-12-16
GB1191910A (en) 1970-05-13
DE1693034A1 (de) 1972-06-08
NL6714510A (en:Method) 1968-05-06
NO121039B (en:Method) 1971-01-11

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