JPS56500447A - - Google Patents
Info
- Publication number
- JPS56500447A JPS56500447A JP50155879A JP50155879A JPS56500447A JP S56500447 A JPS56500447 A JP S56500447A JP 50155879 A JP50155879 A JP 50155879A JP 50155879 A JP50155879 A JP 50155879A JP S56500447 A JPS56500447 A JP S56500447A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU792753852A SU1209679A1 (ru) | 1979-05-04 | 1979-05-04 | Способ получени высококонцентрированных водных растворов формальдегида |
| SU792753851A SU1425186A1 (ru) | 1979-05-04 | 1979-05-04 | Способ получени высококонцентрированных растворов формальдегида |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56500447A true JPS56500447A (ja) | 1981-04-09 |
Family
ID=26665773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50155879A Pending JPS56500447A (ja) | 1979-05-04 | 1979-08-21 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS56500447A (ja) |
| GB (1) | GB2066817A (ja) |
| WO (1) | WO1980002422A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001010981A (ja) * | 1999-06-07 | 2001-01-16 | Basf Ag | 混合物溶液の反応方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454354A (en) * | 1982-08-02 | 1984-06-12 | Monsanto Company | Manufacture of aqueous formaldehyde |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2527654A (en) * | 1947-02-24 | 1950-10-31 | Du Pont | Formaldehyde concentration |
| US2527655A (en) * | 1948-06-03 | 1950-10-31 | Du Pont | Concentration of formaldehyde |
| DE1928633C3 (de) * | 1969-06-06 | 1978-03-23 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von wasserarmen Lösungen von Formaldehyd |
| JPS4924453A (ja) * | 1972-06-29 | 1974-03-04 |
-
1979
- 1979-08-21 JP JP50155879A patent/JPS56500447A/ja active Pending
- 1979-08-21 WO PCT/SU1979/000069 patent/WO1980002422A1/ru unknown
- 1979-08-21 GB GB8041317A patent/GB2066817A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001010981A (ja) * | 1999-06-07 | 2001-01-16 | Basf Ag | 混合物溶液の反応方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2066817A (en) | 1981-07-15 |
| WO1980002422A1 (en) | 1980-11-13 |