BE799187A - Procede pour l'obtention de solutions aqueuses concentrees de formaldehyde et d'uree, - Google Patents
Procede pour l'obtention de solutions aqueuses concentrees de formaldehyde et d'uree,Info
- Publication number
- BE799187A BE799187A BE130821A BE130821A BE799187A BE 799187 A BE799187 A BE 799187A BE 130821 A BE130821 A BE 130821A BE 130821 A BE130821 A BE 130821A BE 799187 A BE799187 A BE 799187A
- Authority
- BE
- Belgium
- Prior art keywords
- formaldehyde
- urea
- aqueous solutions
- concentrated aqueous
- obtaining concentrated
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000007864 aqueous solution Substances 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation 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
- C07C273/025—Preparation 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
-
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation 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
- C07C45/38—Preparation 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722224258 DE2224258C3 (de) | 1972-05-18 | Verfahren zur Herstellung von konzentrierten, wäßrigen Lösungen von Formaldehyd und Harnstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE799187A true BE799187A (fr) | 1973-11-07 |
Family
ID=5845230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE130821A BE799187A (fr) | 1972-05-18 | 1973-05-07 | Procede pour l'obtention de solutions aqueuses concentrees de formaldehyde et d'uree, |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE799187A (cs) |
| GB (1) | GB1421263A (cs) |
| IT (1) | IT985601B (cs) |
| NL (1) | NL7307003A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2233849C1 (ru) * | 2003-01-08 | 2004-08-10 | Алексеев Вячеслав Евгеньевич | Способ получения карбамидоформальдегидного концентрата |
-
1973
- 1973-04-27 IT IT2352273A patent/IT985601B/it active
- 1973-05-07 BE BE130821A patent/BE799187A/xx not_active IP Right Cessation
- 1973-05-17 GB GB2347973A patent/GB1421263A/en not_active Expired
- 1973-05-18 NL NL7307003A patent/NL7307003A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7307003A (cs) | 1973-11-20 |
| DE2224258A1 (de) | 1973-12-06 |
| DE2224258B2 (de) | 1977-02-10 |
| IT985601B (it) | 1974-12-10 |
| GB1421263A (en) | 1976-01-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: BADISCHE ANILIN- & SODAFABRIK A.G. Effective date: 19930507 |