FR1518352A - Procédé de purification du formaldéhyde - Google Patents

Procédé de purification du formaldéhyde

Info

Publication number
FR1518352A
FR1518352A FR102165A FR102165A FR1518352A FR 1518352 A FR1518352 A FR 1518352A FR 102165 A FR102165 A FR 102165A FR 102165 A FR102165 A FR 102165A FR 1518352 A FR1518352 A FR 1518352A
Authority
FR
France
Prior art keywords
purification process
formaldehyde purification
formaldehyde
purification
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
FR102165A
Other languages
English (en)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR102165A priority Critical patent/FR1518352A/fr
Application granted granted Critical
Publication of FR1518352A publication Critical patent/FR1518352A/fr
Expired legal-status Critical Current

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
    • 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
    • C07C45/81—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR102165A 1966-04-11 1967-04-10 Procédé de purification du formaldéhyde Expired FR1518352A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR102165A FR1518352A (fr) 1966-04-11 1967-04-10 Procédé de purification du formaldéhyde

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54149266A 1966-04-11 1966-04-11
FR102165A FR1518352A (fr) 1966-04-11 1967-04-10 Procédé de purification du formaldéhyde

Publications (1)

Publication Number Publication Date
FR1518352A true FR1518352A (fr) 1968-03-22

Family

ID=26175474

Family Applications (1)

Application Number Title Priority Date Filing Date
FR102165A Expired FR1518352A (fr) 1966-04-11 1967-04-10 Procédé de purification du formaldéhyde

Country Status (1)

Country Link
FR (1) FR1518352A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229053B1 (en) * 1997-10-31 2001-05-08 Ticona Gmbh Method for purification of formaldehyde, use thereof and plastics produced therewith

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229053B1 (en) * 1997-10-31 2001-05-08 Ticona Gmbh Method for purification of formaldehyde, use thereof and plastics produced therewith

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