BE505571A - - Google Patents

Info

Publication number
BE505571A
BE505571A BE505571DA BE505571A BE 505571 A BE505571 A BE 505571A BE 505571D A BE505571D A BE 505571DA BE 505571 A BE505571 A BE 505571A
Authority
BE
Belgium
Application number
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.)
Publication of BE505571A publication Critical patent/BE505571A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/40—Radicals substituted by oxygen atoms
    • C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
    • C07D307/48—Furfural
    • C07D307/50—Preparation from natural products
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
BE505571D 1950-09-01 BE505571A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1024196T 1950-09-01

Publications (1)

Publication Number Publication Date
BE505571A true BE505571A (xx)

Family

ID=9578689

Family Applications (1)

Application Number Title Priority Date Filing Date
BE505571D BE505571A (xx) 1950-09-01

Country Status (3)

Country Link
BE (1) BE505571A (xx)
FR (1) FR1024196A (xx)
NL (1) NL88058C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462433A1 (fr) * 1979-08-03 1981-02-13 Bertin & Cie Perfectionnements apportes aux procedes et aux appareillages pour l'obtention de furfural a partir de matieres vegetales
FR2600063A1 (fr) * 1986-06-11 1987-12-18 Technip Cie Procede et installation de traitement des matieres vegetales pour produire notamment du furfural

Also Published As

Publication number Publication date
NL88058C (xx)
FR1024196A (fr) 1953-03-30

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