JPS5239007B2 - - Google Patents
Info
- Publication number
- JPS5239007B2 JPS5239007B2 JP47058191A JP5819172A JPS5239007B2 JP S5239007 B2 JPS5239007 B2 JP S5239007B2 JP 47058191 A JP47058191 A JP 47058191A JP 5819172 A JP5819172 A JP 5819172A JP S5239007 B2 JPS5239007 B2 JP S5239007B2
- 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.)
- 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
- C07C45/78—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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47058191A JPS5239007B2 (en) | 1972-06-13 | 1972-06-13 | |
| GB5492273A GB1438989A (en) | 1972-06-13 | 1973-11-27 | Process for the purification of formaldehyde |
| FR7342835A FR2253004B1 (en) | 1972-06-13 | 1973-11-30 | |
| DE19732359823 DE2359823C3 (en) | 1973-11-30 | Process for the production of pure formaldehyde |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47058191A JPS5239007B2 (en) | 1972-06-13 | 1972-06-13 | |
| GB5492273A GB1438989A (en) | 1972-06-13 | 1973-11-27 | Process for the purification of formaldehyde |
| FR7342835A FR2253004B1 (en) | 1972-06-13 | 1973-11-30 | |
| DE19732359823 DE2359823C3 (en) | 1973-11-30 | Process for the production of pure formaldehyde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4918817A JPS4918817A (en) | 1974-02-19 |
| JPS5239007B2 true JPS5239007B2 (en) | 1977-10-03 |
Family
ID=27431770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47058191A Expired JPS5239007B2 (en) | 1972-06-13 | 1972-06-13 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5239007B2 (en) |
| FR (1) | FR2253004B1 (en) |
| GB (1) | GB1438989A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531289U (en) * | 1991-09-30 | 1993-04-23 | オムロン株式会社 | Numeric display mounting structure |
-
1972
- 1972-06-13 JP JP47058191A patent/JPS5239007B2/ja not_active Expired
-
1973
- 1973-11-27 GB GB5492273A patent/GB1438989A/en not_active Expired
- 1973-11-30 FR FR7342835A patent/FR2253004B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0531289U (en) * | 1991-09-30 | 1993-04-23 | オムロン株式会社 | Numeric display mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4918817A (en) | 1974-02-19 |
| GB1438989A (en) | 1976-06-09 |
| FR2253004A1 (en) | 1975-06-27 |
| DE2359823B2 (en) | 1975-11-06 |
| FR2253004B1 (en) | 1977-06-10 |
| DE2359823A1 (en) | 1975-06-12 |