FR749245A - Method and apparatus for the manufacture of ketene - Google Patents

Method and apparatus for the manufacture of ketene

Info

Publication number
FR749245A
FR749245A FR749245DA FR749245A FR 749245 A FR749245 A FR 749245A FR 749245D A FR749245D A FR 749245DA FR 749245 A FR749245 A FR 749245A
Authority
FR
France
Prior art keywords
ketene
manufacture
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
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.)
Carbide and Carbon Chemicals Corp
Original Assignee
Carbide and Carbon Chemicals Corp
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 Carbide and Carbon Chemicals Corp filed Critical Carbide and Carbon Chemicals Corp
Application granted granted Critical
Publication of FR749245A publication Critical patent/FR749245A/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
    • C07C45/88—Preparation of ketenes or dimeric ketenes from ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR749245D 1932-02-05 1933-01-19 Method and apparatus for the manufacture of ketene Expired FR749245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US591151A US1975663A (en) 1932-02-05 1932-02-05 Process and apparatus for making ketene

Publications (1)

Publication Number Publication Date
FR749245A true FR749245A (en) 1933-07-20

Family

ID=24365266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749245D Expired FR749245A (en) 1932-02-05 1933-01-19 Method and apparatus for the manufacture of ketene

Country Status (4)

Country Link
US (1) US1975663A (en)
BE (1) BE393839A (en)
FR (1) FR749245A (en)
GB (1) GB413709A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2467993A (en) * 1943-11-10 1949-04-19 Cabot Godfrey L Inc Manufacture of formaldehyde and apparatus therefor
US2521207A (en) * 1945-10-23 1950-09-05 Shawinigan Chem Ltd Gaseous reaction furnace and controller
US2541471A (en) * 1947-07-11 1951-02-13 Eastman Kodak Co Furnace for pyrolyzing ketenizable organic compounds
DE1101403B (en) * 1958-08-01 1961-03-09 Hoffmann La Roche Process for the production of ketene
US5475144A (en) * 1994-06-08 1995-12-12 The University Of Delaware Catalyst and process for synthesis of ketenes from carboxylic acids

Also Published As

Publication number Publication date
GB413709A (en) 1934-07-20
BE393839A (en)
US1975663A (en) 1934-10-02

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