FR871602A - éthénones et éthénones substituées - Google Patents

éthénones et éthénones substituées

Info

Publication number
FR871602A
FR871602A FR871602DA FR871602A FR 871602 A FR871602 A FR 871602A FR 871602D A FR871602D A FR 871602DA FR 871602 A FR871602 A FR 871602A
Authority
FR
France
Prior art keywords
ethenones
substituted
substituted ethenones
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
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of FR871602A publication Critical patent/FR871602A/fr
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
    • 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)
FR871602D 1938-10-13 1939-10-13 éthénones et éthénones substituées Expired FR871602A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US871602XA 1938-10-13 1938-10-13

Publications (1)

Publication Number Publication Date
FR871602A true FR871602A (fr) 1942-05-02

Family

ID=22203458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871602D Expired FR871602A (fr) 1938-10-13 1939-10-13 éthénones et éthénones substituées

Country Status (1)

Country Link
FR (1) FR871602A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118778B (de) * 1957-03-12 1961-12-07 Goodrich Co B F Verfahren zur Herstellung von Bisketenen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118778B (de) * 1957-03-12 1961-12-07 Goodrich Co B F Verfahren zur Herstellung von Bisketenen

Similar Documents

Publication Publication Date Title
FR853022A (fr) Stylographe
FR839929A (fr) Stylographe
FR871602A (fr) éthénones et éthénones substituées
FR854982A (fr) Cannetière
FI22882A (fi) Legerat stål
FR839100A (fr) Cannetière
FR836649A (fr) Cribleur-laveur
FR835597A (fr) Aéro-calorifère
FR846513A (fr) Essoreuse-laveuse
FR843969A (fr) Sphygmomètre
FR848119A (fr) Aéro-calorifère
FR834472A (fr) Inverseur-réducteur
FR842531A (fr) Rodoir
FR841305A (fr) Tissu-fourrure
FR843406A (fr) Gazogène-épurateur
FI20533A (fi) Disk- och tvättmaskin
FI19662A (fi) Luftskyddstorn
FI19302A (fi) Vätsketät behållare
FI19870A (fi) Absorptions- eller adsorptionskylanläggning
FI19855A (fi) Bränslepump
FI20050A (fi) Skjutventil
FI19771A (fi) Luftskumsläckare
FI19742A (fi) Degkavlingsmaskin
FI19606A (fi) Hopfällbar äggkartong
FI19274A (fi) Suksiside