BE585851A - Procédé de préparation de formaldéhyde pure. - Google Patents

Procédé de préparation de formaldéhyde pure.

Info

Publication number
BE585851A
BE585851A BE585851A BE585851A BE585851A BE 585851 A BE585851 A BE 585851A BE 585851 A BE585851 A BE 585851A BE 585851 A BE585851 A BE 585851A BE 585851 A BE585851 A BE 585851A
Authority
BE
Belgium
Prior art keywords
preparation
pure formaldehyde
formaldehyde
pure
Prior art date
Application number
BE585851A
Other languages
English (en)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Publication of BE585851A publication Critical patent/BE585851A/fr

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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
    • 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
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE585851A 1958-12-19 1959-12-21 Procédé de préparation de formaldéhyde pure. BE585851A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF27317A DE1138752B (de) 1958-12-19 1958-12-19 Verfahren zur Herstellung von reinem Formaldehyd

Publications (1)

Publication Number Publication Date
BE585851A true BE585851A (fr) 1960-06-21

Family

ID=7092386

Family Applications (1)

Application Number Title Priority Date Filing Date
BE585851A BE585851A (fr) 1958-12-19 1959-12-21 Procédé de préparation de formaldéhyde pure.

Country Status (4)

Country Link
US (1) US3226444A (fr)
BE (1) BE585851A (fr)
DE (1) DE1138752B (fr)
GB (1) GB904089A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191354B (de) * 1960-12-22 1965-04-22 Du Pont Verfahren zur Konzentrierung von alkoholhaltigen Formaldehydloesungen
DE1196175B (de) * 1960-10-29 1965-07-08 It Resine Soc Verfahren zum Reinigen von monomerem Formaldehyd

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE633795A (fr) * 1962-06-19
DE1183896B (de) * 1963-03-22 1964-12-23 Bayer Ag Verfahren zur Reinigung von gasfoermigem Formaldehyd
FR1373042A (fr) * 1963-06-21 1964-09-25 Pechiney Saint Gobain Procédé de préparation de formaldéhyde de haute pureté
CH436243A (de) * 1964-04-18 1967-05-31 Leuna Werke Veb Verfahren zur Reinigung von gasförmigem Formaldehyd
DE4137846A1 (de) * 1991-11-16 1993-05-19 Basf Ag Verfahren zur herstellung von wasserfreiem und von verunreinigungen befreitem formaldehyd

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791550A (en) * 1957-05-07 Resolution of aqueous carbonyl-carbinol mixtures
US2305038A (en) * 1939-09-16 1942-12-15 Standard Oil Dev Co Solvent treating process
US2710829A (en) * 1947-05-15 1955-06-14 Stanolind Oil & Gas Co Separation of oxygenated compounds from aqueous solutions
US2591672A (en) * 1949-01-03 1952-04-08 Standard Oil Dev Co Dehydration of alcohols by gasoline extractive distillation
US2635992A (en) * 1949-03-01 1953-04-21 Standard Oil Dev Co Separation and purification of alcohols by extractive distillation
BE560841A (fr) * 1953-07-16
US2848500A (en) * 1957-01-28 1958-08-19 Du Pont Preparation of purified formaldehyde

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196175B (de) * 1960-10-29 1965-07-08 It Resine Soc Verfahren zum Reinigen von monomerem Formaldehyd
DE1191354B (de) * 1960-12-22 1965-04-22 Du Pont Verfahren zur Konzentrierung von alkoholhaltigen Formaldehydloesungen

Also Published As

Publication number Publication date
US3226444A (en) 1965-12-28
DE1138752B (de) 1962-10-31
GB904089A (en) 1962-08-22

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