AT244320B - Process for the purification of gaseous formaldehyde - Google Patents

Process for the purification of gaseous formaldehyde

Info

Publication number
AT244320B
AT244320B AT178564A AT178564A AT244320B AT 244320 B AT244320 B AT 244320B AT 178564 A AT178564 A AT 178564A AT 178564 A AT178564 A AT 178564A AT 244320 B AT244320 B AT 244320B
Authority
AT
Austria
Prior art keywords
purification
gaseous formaldehyde
formaldehyde
gaseous
Prior art date
Application number
AT178564A
Other languages
German (de)
Inventor
Ernst-Ulrich Koecher
Kuno Wagner
Karl-Ludwig Schmidt
Kurt Klinkmann
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of AT244320B publication Critical patent/AT244320B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78Separation; Purification; Stabilisation; Use of additives
    • C07C45/783Separation; 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)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
AT178564A 1963-03-22 1964-03-02 Process for the purification of gaseous formaldehyde AT244320B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1963F0039306 DE1183896B (en) 1963-03-22 1963-03-22 Process for the purification of gaseous formaldehyde

Publications (1)

Publication Number Publication Date
AT244320B true AT244320B (en) 1965-12-27

Family

ID=7097712

Family Applications (1)

Application Number Title Priority Date Filing Date
AT178564A AT244320B (en) 1963-03-22 1964-03-02 Process for the purification of gaseous formaldehyde

Country Status (5)

Country Link
AT (1) AT244320B (en)
BE (1) BE645348A (en)
DE (1) DE1183896B (en)
GB (1) GB997561A (en)
NL (1) NL6402331A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516530B1 (en) * 2014-11-20 2018-02-15 Johnson Matthey Plc Process and apparatus for the preparation of an aqueous solution of formaldehyde

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780652A (en) * 1954-05-13 1957-02-05 Du Pont Preparation of high purity formaldehyde
DE1090191B (en) * 1957-04-04 1960-10-06 Du Pont Process for the purification of gaseous formaldehyde
DE1138752B (en) * 1958-12-19 1962-10-31 Hoechst Ag Process for the production of pure formaldehyde
DE1106749B (en) * 1959-04-21 1961-05-18 Basf Ag Process for the production of pure formaldehyde
DE1140921B (en) * 1960-06-02 1962-12-13 Farbenfabriken Bayer Aktiengesellschaft, Leverkusen Process for the production of highly purified formaldehyde.
BE623900A (en) * 1961-10-30

Also Published As

Publication number Publication date
DE1183896B (en) 1964-12-23
GB997561A (en) 1965-07-07
NL6402331A (en) 1964-09-23
BE645348A (en) 1964-07-16

Similar Documents

Publication Publication Date Title
CH447181A (en) Process for the manufacture of quinazolone compounds
CH434227A (en) Process for purifying adipinedinitrile
CH484202A (en) Process for purifying interferon
CH467276A (en) Process for purifying melamine
AT249279B (en) Process for chain extension of aldehydes
CH443247A (en) Process for the purification of nitrophenol-containing aromatic nitro compounds
CH436240A (en) Process for the purification of alkylene oxides
AT239206B (en) Process for purifying glycols
CH457389A (en) Process for the purification of adiponitrile
DD38244A1 (en) Process for the purification of polyester solutions
CH454327A (en) Process for purifying hydrocarbons
CH434228A (en) Process for the separation of adiponitrile
AT259761B (en) Process for purifying plasminogen
CH437291A (en) Methods for purifying pyrrolidone- (2)
CH399479A (en) Process for purifying polymyxins
CH459968A (en) Process for the production of nitro compounds
AT244320B (en) Process for the purification of gaseous formaldehyde
CH436243A (en) Process for the purification of gaseous formaldehyde
CH455816A (en) Process for purifying melamine
AT252225B (en) Process for the production of naphthoquinone
AT248352B (en) Process for the purification of sewage
CH416592A (en) Process for purifying formaldehyde
CH442279A (en) Process for the preparation of amidines
CH427617A (en) Process for the aftertreatment of cigars
CH429687A (en) Process for the production of gaseous monomeric formaldehyde