BE811186A - Procede de preparation de solutions aqueuses concentrees de formaldehyde - Google Patents
Procede de preparation de solutions aqueuses concentrees de formaldehydeInfo
- Publication number
- BE811186A BE811186A BE141051A BE141051A BE811186A BE 811186 A BE811186 A BE 811186A BE 141051 A BE141051 A BE 141051A BE 141051 A BE141051 A BE 141051A BE 811186 A BE811186 A BE 811186A
- Authority
- BE
- Belgium
- Prior art keywords
- formaldehyde
- aqueous solutions
- concentrated aqueous
- preparing concentrated
- preparing
- Prior art date
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
- C07C45/27—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
-
- 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
- C07C45/783—Separation; Purification; Stabilisation; Use of additives by gas-liquid treatment, e.g. by gas-liquid absorption
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 |
|---|---|---|---|
| DE19732308409 DE2308409A1 (de) | 1973-02-21 | 1973-02-21 | Verfahren zur herstellung von konzentrierten, waessrigen loesungen von formaldehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE811186A true BE811186A (fr) | 1974-08-19 |
Family
ID=5872560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE141051A BE811186A (fr) | 1973-02-21 | 1974-02-18 | Procede de preparation de solutions aqueuses concentrees de formaldehyde |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS49134615A (fr) |
| BE (1) | BE811186A (fr) |
| DE (1) | DE2308409A1 (fr) |
| FR (1) | FR2218313B1 (fr) |
| GB (1) | GB1453766A (fr) |
| IT (1) | IT1007229B (fr) |
| NL (1) | NL7401990A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2444586C3 (de) * | 1974-09-18 | 1986-07-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von konzentrierten, wäßrigen Lösungen von Formaldehyd |
| ES2103193B1 (es) * | 1995-05-16 | 1998-04-01 | Patentes Novedades Sa | Procedimiento para la preparacion en continuo de soluciones acuosas de formaldehido. |
| AT516530B1 (de) * | 2014-11-20 | 2018-02-15 | Johnson Matthey Plc | Verfahren und Vorrichtung zur Herstellung einer wässrigen Lösung von Formaldehyd |
-
1973
- 1973-02-21 DE DE19732308409 patent/DE2308409A1/de active Pending
-
1974
- 1974-02-04 IT IT2015474A patent/IT1007229B/it active
- 1974-02-08 FR FR7404244A patent/FR2218313B1/fr not_active Expired
- 1974-02-13 NL NL7401990A patent/NL7401990A/xx unknown
- 1974-02-18 BE BE141051A patent/BE811186A/fr unknown
- 1974-02-20 GB GB765074A patent/GB1453766A/en not_active Expired
- 1974-02-21 JP JP2000774A patent/JPS49134615A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1007229B (it) | 1976-10-30 |
| FR2218313A1 (fr) | 1974-09-13 |
| JPS49134615A (fr) | 1974-12-25 |
| DE2308409A1 (de) | 1974-08-29 |
| FR2218313B1 (fr) | 1977-09-09 |
| GB1453766A (en) | 1976-10-27 |
| NL7401990A (fr) | 1974-08-23 |
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