FR1542287A - Improvements in ketene purification processes - Google Patents

Improvements in ketene purification processes

Info

Publication number
FR1542287A
FR1542287A FR126955A FR126955A FR1542287A FR 1542287 A FR1542287 A FR 1542287A FR 126955 A FR126955 A FR 126955A FR 126955 A FR126955 A FR 126955A FR 1542287 A FR1542287 A FR 1542287A
Authority
FR
France
Prior art keywords
ketene
purification processes
purification
processes
ketene purification
Prior art date
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
FR126955A
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.)
Lonza AG
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
Priority claimed from CH1586966A external-priority patent/CH464889A/en
Application filed by Lonza AG filed Critical Lonza AG
Priority to FR126955A priority Critical patent/FR1542287A/en
Application granted granted Critical
Publication of FR1542287A publication Critical patent/FR1542287A/en
Expired legal-status Critical Current

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)
FR126955A 1966-11-03 1967-11-03 Improvements in ketene purification processes Expired FR1542287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR126955A FR1542287A (en) 1966-11-03 1967-11-03 Improvements in ketene purification processes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1586966A CH464889A (en) 1966-11-03 1966-11-03 Method of cleaning ketene
FR126955A FR1542287A (en) 1966-11-03 1967-11-03 Improvements in ketene purification processes

Publications (1)

Publication Number Publication Date
FR1542287A true FR1542287A (en) 1968-10-11

Family

ID=25717136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR126955A Expired FR1542287A (en) 1966-11-03 1967-11-03 Improvements in ketene purification processes

Country Status (1)

Country Link
FR (1) FR1542287A (en)

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