FR1040626A - Perfectionnements relatifs à la purification de l'acide déhydroacétique - Google Patents

Perfectionnements relatifs à la purification de l'acide déhydroacétique

Info

Publication number
FR1040626A
FR1040626A FR1040626DA FR1040626A FR 1040626 A FR1040626 A FR 1040626A FR 1040626D A FR1040626D A FR 1040626DA FR 1040626 A FR1040626 A FR 1040626A
Authority
FR
France
Prior art keywords
purification
improvements relating
dehydroacetic acid
dehydroacetic
acid
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.)
Dow Chemical Co
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of FR1040626A publication Critical patent/FR1040626A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/38—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms one oxygen atom in position 2 or 4, e.g. pyrones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1040626D 1951-03-08 1951-03-08 Perfectionnements relatifs à la purification de l'acide déhydroacétique Expired FR1040626A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1040626T 1951-03-08

Publications (1)

Publication Number Publication Date
FR1040626A true FR1040626A (fr) 1953-10-16

Family

ID=9589056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1040626D Expired FR1040626A (fr) 1951-03-08 1951-03-08 Perfectionnements relatifs à la purification de l'acide déhydroacétique

Country Status (1)

Country Link
FR (1) FR1040626A (fr)

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