NO134150B - - Google Patents

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Publication number
NO134150B
NO134150B NO651/71A NO65171A NO134150B NO 134150 B NO134150 B NO 134150B NO 651/71 A NO651/71 A NO 651/71A NO 65171 A NO65171 A NO 65171A NO 134150 B NO134150 B NO 134150B
Authority
NO
Norway
Prior art keywords
anhydride
acid
reactor
temperature
ketene
Prior art date
Application number
NO651/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO134150C (d
Inventor
G Sioli
L Giuffre
F Righi
G Matera
Original Assignee
Snia Viscosa
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 Snia Viscosa filed Critical Snia Viscosa
Priority to NO296273A priority Critical patent/NO134151C/no
Publication of NO134150B publication Critical patent/NO134150B/no
Publication of NO134150C publication Critical patent/NO134150C/no

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
    • C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/88—Ketenes; Dimeric ketenes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
NO651/71A 1970-02-27 1971-02-23 NO134150C (d)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO296273A NO134151C (d) 1970-02-27 1973-07-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2126470 1970-02-27

Publications (2)

Publication Number Publication Date
NO134150B true NO134150B (d) 1976-05-18
NO134150C NO134150C (d) 1976-08-25

Family

ID=11179219

Family Applications (1)

Application Number Title Priority Date Filing Date
NO651/71A NO134150C (d) 1970-02-27 1971-02-23

Country Status (18)

Country Link
US (1) US3914313A (d)
JP (3) JPS5412462B1 (d)
AT (1) AT313251B (d)
BE (1) BE763493A (d)
BR (1) BR7101226D0 (d)
CA (1) CA961505A (d)
CH (1) CH581595A5 (d)
DE (1) DE2109266B2 (d)
ES (2) ES388692A1 (d)
FR (1) FR2079102A5 (d)
GB (1) GB1347539A (d)
IE (1) IE34961B1 (d)
IL (2) IL36284A (d)
NL (1) NL7004181A (d)
NO (1) NO134150C (d)
SU (1) SU368739A3 (d)
TR (1) TR16724A (d)
ZA (1) ZA711118B (d)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978120A (en) * 1971-02-25 1976-08-31 Snia Viscosa Societa Nazionale Industria Applicazioni Viscosa S.P.A. Method for the production of alicyclic anhydrides
JPS55130930U (d) * 1979-03-07 1980-09-16

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688635A (en) * 1951-05-24 1954-09-07 Allied Chem & Dye Corp Process for the production of ketene or acetic anhydride from a mixture of acetic acid and formic acid
US2863922A (en) * 1956-10-02 1958-12-09 Hoffmann La Roche Preparation of ketene
US3366689A (en) * 1965-03-31 1968-01-30 Daikin Ind Ltd Process for manufacturing ketenes

Also Published As

Publication number Publication date
SU368739A3 (d) 1973-01-26
IL44254A (en) 1975-10-15
TR16724A (tr) 1973-03-01
ES416501A1 (es) 1976-04-16
GB1347539A (en) 1974-02-27
ES388692A1 (es) 1974-02-16
JPS5412462B1 (d) 1979-05-23
CA961505A (en) 1975-01-21
US3914313A (en) 1975-10-21
JPS53111040A (en) 1978-09-28
ZA711118B (en) 1971-11-24
FR2079102A5 (d) 1971-11-05
JPS49100063A (d) 1974-09-20
DE2109266B2 (de) 1979-02-15
DE2109266A1 (d) 1971-09-02
BR7101226D0 (pt) 1973-03-08
CH581595A5 (d) 1976-11-15
NO134150C (d) 1976-08-25
IE34961B1 (en) 1975-10-01
AT313251B (de) 1974-02-11
JPS544949B2 (d) 1979-03-12
BE763493A (fr) 1971-08-26
NL7004181A (d) 1971-08-31
IL36284A (en) 1975-10-15
IL36284A0 (en) 1971-06-23
IE34961L (en) 1971-08-27

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