DK0434783T3 - Fremgangsmåde til fremstilling af stabiliserede opløsninger af formaldehyd med methanol - Google Patents

Fremgangsmåde til fremstilling af stabiliserede opløsninger af formaldehyd med methanol

Info

Publication number
DK0434783T3
DK0434783T3 DK90907065.8T DK90907065T DK0434783T3 DK 0434783 T3 DK0434783 T3 DK 0434783T3 DK 90907065 T DK90907065 T DK 90907065T DK 0434783 T3 DK0434783 T3 DK 0434783T3
Authority
DK
Denmark
Prior art keywords
methanol
formaldehyde
weight
proportion comprised
solutions
Prior art date
Application number
DK90907065.8T
Other languages
English (en)
Inventor
Vancells Luis Eek
Original Assignee
Patentes Novedades Sa
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 Patentes Novedades Sa filed Critical Patentes Novedades Sa
Application granted granted Critical
Publication of DK0434783T3 publication Critical patent/DK0434783T3/da

Links

Classifications

    • 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
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/38Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
    • 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
    • C07C45/85Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
DK90907065.8T 1989-05-10 1990-05-08 Fremgangsmåde til fremstilling af stabiliserede opløsninger af formaldehyd med methanol DK0434783T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES8901591A ES2010959A6 (es) 1989-05-10 1989-05-10 Procedimiento para la fabricacion de soluciones estabilizadas de formaldehido con metanol.

Publications (1)

Publication Number Publication Date
DK0434783T3 true DK0434783T3 (da) 1994-12-12

Family

ID=8261868

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90907065.8T DK0434783T3 (da) 1989-05-10 1990-05-08 Fremgangsmåde til fremstilling af stabiliserede opløsninger af formaldehyd med methanol

Country Status (14)

Country Link
US (1) US5171894A (da)
EP (1) EP0434783B1 (da)
JP (1) JP2824538B2 (da)
AT (1) ATE110051T1 (da)
AU (1) AU627584B2 (da)
DE (1) DE69011644T2 (da)
DK (1) DK0434783T3 (da)
ES (2) ES2010959A6 (da)
FI (1) FI93829C (da)
MX (1) MX170958B (da)
NO (1) NO174418C (da)
RU (1) RU2088566C1 (da)
UA (1) UA26421A (da)
WO (1) WO1990013532A1 (da)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629997A (en) * 1970-05-08 1971-12-28 Borden Inc Process for producing methanol-formaldehyde solution of low-water content
BE794006A (fr) * 1972-01-12 1973-07-12 Basf Ag Procede de preparation du formaldehyde
FR2311048A1 (fr) * 1975-05-13 1976-12-10 Mir Puig Pedro Procede de preparation de colles ou resines d'uree-formaldehyde et produits obtenus par la mise en oeuvre de ce procede
JPS5273811A (en) * 1975-12-16 1977-06-21 Mitsubishi Gas Chem Co Inc Formaldehyde composition
JPS5384910A (en) * 1976-12-29 1978-07-26 Matsushita Electric Works Ltd Formaldehyde composition of high concentration

Also Published As

Publication number Publication date
ATE110051T1 (de) 1994-09-15
RU2088566C1 (ru) 1997-08-27
FI93829C (fi) 1995-06-12
EP0434783B1 (en) 1994-08-17
NO910104D0 (no) 1991-01-09
ES2010959A6 (es) 1989-12-01
FI910107A0 (fi) 1991-01-09
ES2078967T3 (es) 1996-01-01
DE69011644D1 (de) 1994-09-22
NO910104L (no) 1991-01-09
JP2824538B2 (ja) 1998-11-11
WO1990013532A1 (es) 1990-11-15
MX170958B (es) 1993-09-22
NO174418B (no) 1994-01-24
NO174418C (no) 1994-05-04
UA26421A (uk) 1999-08-30
DE69011644T2 (de) 1994-12-08
AU627584B2 (en) 1992-08-27
AU5641690A (en) 1990-11-29
FI93829B (fi) 1995-02-28
US5171894A (en) 1992-12-15
JPH03506041A (ja) 1991-12-26
EP0434783A1 (en) 1991-07-03

Similar Documents

Publication Publication Date Title
DD232038A1 (de) Verfahren zur herstellung von harnstoff
DE69719850D1 (de) Verfahren zur Herstellung von Melamin
SE7707242L (sv) Sett for framstellning av vattenhaltiga formaldehydhartslosningar
KR900017987A (ko) 아크릴산 에스테르의 제조방법
EP0972771A4 (en) EPSILON-CAPROLACTONE, PROCESS FOR PRODUCING THE SAME, POLYCARBOLACTONE PRODUCED THEREFROM, AND PROCESS FOR PRODUCING THE POLYCARBOLACTONE
DK0434783T3 (da) Fremgangsmåde til fremstilling af stabiliserede opløsninger af formaldehyd med methanol
SE8500810D0 (sv) Hartsframstellning
ATE293T1 (de) Verfahren zur gleichzeitigen herstellung von trioxan und cyclischen formalen.
EP0360988A3 (de) Verfahren zur Herstellung von wässrigen Formaldehydlösungen
GB1536011A (en) Process for the production of urea-formaldehyde adhesives or resins and products obtained thereby
ZA9010143B (en) Process for the preparation of 2,2-dimethylpropane-1,3-diol
ATE39703T1 (de) Verfahren zur herstellung von mischkondensaten und deren verwendung.
ATE45685T1 (de) Verfahren zur herstellung von katalysatorformkoerpern durch pressen aus koernigem katalysatormaterial, z. b. eisen-, chrom- oder dergleichen erz, unter verwendung eines bindemittels.
DE3170307D1 (en) Method of preparing aminoplast resins
ATE121715T1 (de) Verfahren zur herstellung von 3,3',4,4'- tetramethyldiphenylmethan.
KR930009980A (ko) 알킬 아디페이트의 제조방법
JPS56123929A (en) Purifying method of n-hexenylaldehyde (n-hexylene aldehyde)
RO79892B (ro) Procedeu pentru prepararea 4, 4-dimetil-1, 3-dioxanului
JPS5785814A (en) Production of solid urea resin
Bondi et al. Method of Purifying Caprolactam
DE59106224D1 (de) Kontinuierliches Verfahren zur Herstellung von Isobuttersäure durch Koch'sche Synthese.
JPS56100761A (en) Preparation of indoline and indole
ATE43587T1 (de) Verfahren zur herstellung von 2,4-dioxohexahydro- 1,3,5-triazin.