NO116760B - - Google Patents

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Publication number
NO116760B
NO116760B NO15286664A NO15286664A NO116760B NO 116760 B NO116760 B NO 116760B NO 15286664 A NO15286664 A NO 15286664A NO 15286664 A NO15286664 A NO 15286664A NO 116760 B NO116760 B NO 116760B
Authority
NO
Norway
Prior art keywords
formaldehyde
solution
percent
methanol
paraformaldehyde
Prior art date
Application number
NO15286664A
Other languages
English (en)
Norwegian (no)
Inventor
S Matsuura
Y Hikata
Original Assignee
Koei Chemical 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 Koei Chemical Co filed Critical Koei Chemical Co
Publication of NO116760B publication Critical patent/NO116760B/no

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00Compounds having —CHO groups
    • C07C47/02Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/04Formaldehyde
    • 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
    • C07C45/81Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
NO15286664A 1963-04-18 1964-04-17 NO116760B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2038163 1963-04-18

Publications (1)

Publication Number Publication Date
NO116760B true NO116760B (enrdf_load_stackoverflow) 1969-05-19

Family

ID=12025448

Family Applications (1)

Application Number Title Priority Date Filing Date
NO15286664A NO116760B (enrdf_load_stackoverflow) 1963-04-18 1964-04-17

Country Status (6)

Country Link
DE (1) DE1219464B (enrdf_load_stackoverflow)
DK (1) DK128774B (enrdf_load_stackoverflow)
GB (1) GB1029039A (enrdf_load_stackoverflow)
NL (1) NL6404221A (enrdf_load_stackoverflow)
NO (1) NO116760B (enrdf_load_stackoverflow)
SE (1) SE316756B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1067560B (it) * 1976-11-19 1985-03-16 Montedison Spa Processo per la preparazione di sospensioni acquose stabili di formaldeide e prodotti otenuti
DE2919496A1 (de) 1979-05-15 1980-12-04 Degussa Neue bisguanamine
IT1134537B (it) * 1980-12-02 1986-08-13 Sir Soc Italiana Resine Spa Soluzioni acquose concentrate e stabili di formaldeide e procedimento per la loro preparazione

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1228672A (fr) * 1958-06-24 1960-08-31 Celanese Corp Procédé de stabilisation de solutions aqueuses concentrées de formaldéhyde
DE1205071C2 (de) * 1961-10-18 1973-05-17 Montedison Spa Verfahren zur Herstellung von waessrigen Formaldehydloesungen, die in einem Temperatur-bereich von í¬ 20 bis + 60íµ bestaendig sind

Also Published As

Publication number Publication date
GB1029039A (en) 1966-05-11
DE1219464B (de) 1966-06-23
NL6404221A (enrdf_load_stackoverflow) 1964-10-19
SE316756B (enrdf_load_stackoverflow) 1969-11-03
DK128774B (da) 1974-07-01

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