FR1240300A - Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse - Google Patents

Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse

Info

Publication number
FR1240300A
FR1240300A FR809738A FR809738A FR1240300A FR 1240300 A FR1240300 A FR 1240300A FR 809738 A FR809738 A FR 809738A FR 809738 A FR809738 A FR 809738A FR 1240300 A FR1240300 A FR 1240300A
Authority
FR
France
Prior art keywords
formaldehyde
concentrated
preparation
aqueous urea
stable solution
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
FR809738A
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.)
Hexion Inc
Original Assignee
Borden Inc
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 Borden Inc filed Critical Borden Inc
Priority to FR809738A priority Critical patent/FR1240300A/fr
Application granted granted Critical
Publication of FR1240300A publication Critical patent/FR1240300A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/025Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds of solutions of urea and formaldehyde
    • 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)
FR809738A 1959-11-10 1959-11-10 Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse Expired FR1240300A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR809738A FR1240300A (fr) 1959-11-10 1959-11-10 Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR809738A FR1240300A (fr) 1959-11-10 1959-11-10 Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse

Publications (1)

Publication Number Publication Date
FR1240300A true FR1240300A (fr) 1960-09-02

Family

ID=8721093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR809738A Expired FR1240300A (fr) 1959-11-10 1959-11-10 Préparation d'une solution concentrée, stable, de formaldéhyde dans de l'urée aqueuse

Country Status (1)

Country Link
FR (1) FR1240300A (fr)

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