CA1220786A - Fabrication de formaldehyde aqueux - Google Patents

Fabrication de formaldehyde aqueux

Info

Publication number
CA1220786A
CA1220786A CA000406139A CA406139A CA1220786A CA 1220786 A CA1220786 A CA 1220786A CA 000406139 A CA000406139 A CA 000406139A CA 406139 A CA406139 A CA 406139A CA 1220786 A CA1220786 A CA 1220786A
Authority
CA
Canada
Prior art keywords
stripping
stripping column
methanol
aqueous formaldehyde
column
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
CA000406139A
Other languages
English (en)
Inventor
Theodore V. Ferris
Richard C. Kmetz
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.)
UCB SA
Original Assignee
Monsanto 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
Priority claimed from US06/278,811 external-priority patent/US4348540A/en
Priority claimed from US06/309,960 external-priority patent/US4385188A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA1220786A publication Critical patent/CA1220786A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000406139A 1981-06-29 1982-06-28 Fabrication de formaldehyde aqueux Expired CA1220786A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/278,811 US4348540A (en) 1981-06-29 1981-06-29 Manufacture of aqueous formaldehyde
US278,811 1981-06-29
US06/309,960 US4385188A (en) 1981-10-09 1981-10-09 Process for removing methanol from aqueous formaldehyde
US309,960 1981-10-09

Publications (1)

Publication Number Publication Date
CA1220786A true CA1220786A (fr) 1987-04-21

Family

ID=26959280

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000406139A Expired CA1220786A (fr) 1981-06-29 1982-06-28 Fabrication de formaldehyde aqueux

Country Status (1)

Country Link
CA (1) CA1220786A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20040421