GB949331A - A process for purifying formaldehyde - Google Patents
A process for purifying formaldehydeInfo
- Publication number
- GB949331A GB949331A GB2136361A GB2136361A GB949331A GB 949331 A GB949331 A GB 949331A GB 2136361 A GB2136361 A GB 2136361A GB 2136361 A GB2136361 A GB 2136361A GB 949331 A GB949331 A GB 949331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- purifying formaldehyde
- polyethylene glycol
- esters
- polyethylene
- monoester
- 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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- 229920001223 polyethylene glycol Polymers 0.000 abstract 3
- 239000002202 Polyethylene glycol Substances 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 1
- 150000001346 alkyl aryl ethers Chemical class 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 150000005690 diesters Chemical class 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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 |
|---|---|
| GB949331A true GB949331A (en) | 1964-02-12 |
Family
ID=8733386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2136361A Expired GB949331A (en) | 1960-06-14 | 1961-06-13 | A process for purifying formaldehyde |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH395047A (enrdf_load_html_response) |
| ES (1) | ES266932A1 (enrdf_load_html_response) |
| FR (1) | FR1285908A (enrdf_load_html_response) |
| GB (1) | GB949331A (enrdf_load_html_response) |
| LU (1) | LU39961A1 (enrdf_load_html_response) |
| NL (1) | NL263828A (enrdf_load_html_response) |
Cited By (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
- LU LU39961D patent/LU39961A1/xx unknown
- NL NL263828D patent/NL263828A/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
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| LU39961A1 (enrdf_load_html_response) | |
| ES266932A1 (es) | 1961-11-01 |
| FR1285908A (fr) | 1962-03-02 |
| CH395047A (fr) | 1965-07-15 |
| NL263828A (enrdf_load_html_response) |
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