DE2201241C2 - Verfahren zur Stabilisierung von Formaldehydlösungen - Google Patents
Verfahren zur Stabilisierung von FormaldehydlösungenInfo
- Publication number
- DE2201241C2 DE2201241C2 DE2201241A DE2201241A DE2201241C2 DE 2201241 C2 DE2201241 C2 DE 2201241C2 DE 2201241 A DE2201241 A DE 2201241A DE 2201241 A DE2201241 A DE 2201241A DE 2201241 C2 DE2201241 C2 DE 2201241C2
- Authority
- DE
- Germany
- Prior art keywords
- formaldehyde
- formic acid
- solutions
- page
- weight
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
- C07C47/04—Formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE794006D BE794006A (fr) | 1972-01-12 | Procede de preparation du formaldehyde | |
| DE2201241A DE2201241C2 (de) | 1972-01-12 | 1972-01-12 | Verfahren zur Stabilisierung von Formaldehydlösungen |
| GB473A GB1409121A (en) | 1972-01-12 | 1973-01-01 | Process for the production of formaldehyde |
| AR246039A AR194031A1 (es) | 1972-01-12 | 1973-01-09 | Procedimiento para la elaboracion de formaldehido |
| CA160,935A CA1020580A (en) | 1972-01-12 | 1973-01-10 | Stabilization of formaldehyde solutions |
| FR7300743A FR2167900B1 (US07534539-20090519-C00280.png) | 1972-01-12 | 1973-01-10 | |
| ZA730205A ZA73205B (en) | 1972-01-12 | 1973-01-10 | Production of formaldehyde |
| IT19133/73A IT978093B (it) | 1972-01-12 | 1973-01-10 | Processo per la preparazione di formaldeide |
| SU1869965A SU474132A3 (ru) | 1972-01-12 | 1973-01-10 | Способ получени формалина |
| BR73234A BR7300234D0 (pt) | 1972-01-12 | 1973-01-11 | Aperfeicoado processo para preparacao de formaldeido e composicoes aquosas de formadeido estabilizadas |
| JP48006062A JPS4885516A (US07534539-20090519-C00280.png) | 1972-01-12 | 1973-01-12 | |
| NL7300532A NL7300532A (US07534539-20090519-C00280.png) | 1972-01-12 | 1973-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2201241A DE2201241C2 (de) | 1972-01-12 | 1972-01-12 | Verfahren zur Stabilisierung von Formaldehydlösungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2201241A1 DE2201241A1 (de) | 1973-07-26 |
| DE2201241C2 true DE2201241C2 (de) | 1982-06-03 |
Family
ID=5832779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2201241A Expired DE2201241C2 (de) | 1972-01-12 | 1972-01-12 | Verfahren zur Stabilisierung von Formaldehydlösungen |
Country Status (12)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4938117U (US07534539-20090519-C00280.png) * | 1972-07-06 | 1974-04-04 | ||
| ES2010959A6 (es) * | 1989-05-10 | 1989-12-01 | Patentes Novedades Sa | Procedimiento para la fabricacion de soluciones estabilizadas de formaldehido con metanol. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE854502C (de) * | 1940-07-12 | 1952-11-04 | Degussa | Verfahren zur Herstellung von haltbaren Formaldehydloesungen |
-
0
- BE BE794006D patent/BE794006A/xx not_active IP Right Cessation
-
1972
- 1972-01-12 DE DE2201241A patent/DE2201241C2/de not_active Expired
-
1973
- 1973-01-01 GB GB473A patent/GB1409121A/en not_active Expired
- 1973-01-09 AR AR246039A patent/AR194031A1/es active
- 1973-01-10 SU SU1869965A patent/SU474132A3/ru active
- 1973-01-10 ZA ZA730205A patent/ZA73205B/xx unknown
- 1973-01-10 IT IT19133/73A patent/IT978093B/it active
- 1973-01-10 FR FR7300743A patent/FR2167900B1/fr not_active Expired
- 1973-01-10 CA CA160,935A patent/CA1020580A/en not_active Expired
- 1973-01-11 BR BR73234A patent/BR7300234D0/pt unknown
- 1973-01-12 NL NL7300532A patent/NL7300532A/xx unknown
- 1973-01-12 JP JP48006062A patent/JPS4885516A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4885516A (US07534539-20090519-C00280.png) | 1973-11-13 |
| FR2167900B1 (US07534539-20090519-C00280.png) | 1977-12-30 |
| SU474132A3 (ru) | 1975-06-14 |
| FR2167900A1 (US07534539-20090519-C00280.png) | 1973-08-24 |
| ZA73205B (en) | 1973-11-28 |
| IT978093B (it) | 1974-09-20 |
| CA1020580A (en) | 1977-11-08 |
| BR7300234D0 (pt) | 1973-09-20 |
| GB1409121A (en) | 1975-10-08 |
| NL7300532A (US07534539-20090519-C00280.png) | 1973-07-16 |
| BE794006A (fr) | 1973-07-12 |
| DE2201241A1 (de) | 1973-07-26 |
| AR194031A1 (es) | 1973-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination |