NL263828A - - Google Patents
Info
- Publication number
- NL263828A NL263828A NL263828DA NL263828A NL 263828 A NL263828 A NL 263828A NL 263828D A NL263828D A NL 263828DA NL 263828 A NL263828 A NL 263828A
- Authority
- NL
- Netherlands
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)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR829969A FR1285908A (fr) | 1960-06-14 | 1960-06-14 | Procédé de purification du formaldéhyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL263828A true NL263828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=8733386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL263828D NL263828A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-06-14 |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3268591A (en) * | 1963-04-01 | 1966-08-23 | Tenneco Chem | Production of monomeric formaldehyde |
| US4962235A (en) * | 1988-04-07 | 1990-10-09 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing high purity formaldehyde |
-
0
- NL NL263828D patent/NL263828A/xx unknown
- LU LU39961D patent/LU39961A1/xx unknown
-
1960
- 1960-06-14 FR FR829969A patent/FR1285908A/fr not_active Expired
-
1961
- 1961-04-14 CH CH446561A patent/CH395047A/fr unknown
- 1961-04-26 ES ES0266932A patent/ES266932A1/es not_active Expired
- 1961-06-13 GB GB2136361A patent/GB949331A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1285908A (fr) | 1962-03-02 |
| CH395047A (fr) | 1965-07-15 |
| ES266932A1 (es) | 1961-11-01 |
| LU39961A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB949331A (en) | 1964-02-12 |