AT297675B - Process for the preparation of low-water solutions of formaldehyde - Google Patents

Process for the preparation of low-water solutions of formaldehyde

Info

Publication number
AT297675B
AT297675B AT507670A AT507670A AT297675B AT 297675 B AT297675 B AT 297675B AT 507670 A AT507670 A AT 507670A AT 507670 A AT507670 A AT 507670A AT 297675 B AT297675 B AT 297675B
Authority
AT
Austria
Prior art keywords
formaldehyde
preparation
low
water solutions
solutions
Prior art date
Application number
AT507670A
Other languages
German (de)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of AT297675B publication Critical patent/AT297675B/en

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
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/84—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT507670A 1969-06-06 1970-06-05 Process for the preparation of low-water solutions of formaldehyde AT297675B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691928633 DE1928633C3 (en) 1969-06-06 1969-06-06 Process for the preparation of low-water solutions of formaldehyde

Publications (1)

Publication Number Publication Date
AT297675B true AT297675B (en) 1972-04-10

Family

ID=5736152

Family Applications (1)

Application Number Title Priority Date Filing Date
AT507670A AT297675B (en) 1969-06-06 1970-06-05 Process for the preparation of low-water solutions of formaldehyde

Country Status (7)

Country Link
AT (1) AT297675B (en)
BE (1) BE751379A (en)
CH (1) CH540871A (en)
DE (1) DE1928633C3 (en)
FR (1) FR2052470A5 (en)
GB (1) GB1301533A (en)
NL (1) NL7008230A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002422A1 (en) * 1979-05-04 1980-11-13 Y Blashin Method of obtaining concentrated solutions of formaldehyde
US4962235A (en) * 1988-04-07 1990-10-09 Asahi Kasei Kogyo Kabushiki Kaisha Process for producing high purity formaldehyde
GB9812083D0 (en) 1998-06-05 1998-08-05 Ici Plc Removal of water
CN105272836A (en) * 2014-07-24 2016-01-27 中国石油大学(华东) Method for preparing formaldehyde alcohol solution

Also Published As

Publication number Publication date
GB1301533A (en) 1972-12-29
DE1928633A1 (en) 1970-12-10
DE1928633B2 (en) 1977-08-04
FR2052470A5 (en) 1971-04-09
DE1928633C3 (en) 1978-03-23
NL7008230A (en) 1970-12-08
BE751379A (en) 1970-12-03
CH540871A (en) 1973-08-31

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