BE645348A - - Google Patents
Info
- Publication number
- BE645348A BE645348A BE645348DA BE645348A BE 645348 A BE645348 A BE 645348A BE 645348D A BE645348D A BE 645348DA BE 645348 A BE645348 A BE 645348A
- Authority
- BE
- Belgium
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)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963F0039306 DE1183896B (de) | 1963-03-22 | 1963-03-22 | Verfahren zur Reinigung von gasfoermigem Formaldehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE645348A true BE645348A (US06826419-20041130-M00005.png) | 1964-07-16 |
Family
ID=7097712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE645348D BE645348A (US06826419-20041130-M00005.png) | 1963-03-22 | 1964-03-18 |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT516530B1 (de) * | 2014-11-20 | 2018-02-15 | Johnson Matthey Plc | Verfahren und Vorrichtung zur Herstellung einer wässrigen Lösung von Formaldehyd |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2780652A (en) * | 1954-05-13 | 1957-02-05 | Du Pont | Preparation of high purity formaldehyde |
| DE1090191B (de) * | 1957-04-04 | 1960-10-06 | Du Pont | Verfahren zur Reinigung von gasformigem Formaldehyd |
| DE1138752B (de) * | 1958-12-19 | 1962-10-31 | Hoechst Ag | Verfahren zur Herstellung von reinem Formaldehyd |
| DE1106749B (de) * | 1959-04-21 | 1961-05-18 | Basf Ag | Verfahren zur Herstellung von reinem Formaldehyd |
| DE1140921B (de) * | 1960-06-02 | 1962-12-13 | Farbenfabriken Bayer Aktiengesellschaft, Leverkusen | Verfahren zur Herstellung von hochgereinigtem Formaldehyd. |
| NL131799C (US06826419-20041130-M00005.png) * | 1961-10-30 |
-
1963
- 1963-03-22 DE DE1963F0039306 patent/DE1183896B/de active Pending
-
1964
- 1964-03-02 AT AT178564A patent/AT244320B/de active
- 1964-03-06 NL NL6402331A patent/NL6402331A/xx unknown
- 1964-03-13 GB GB1074364A patent/GB997561A/en not_active Expired
- 1964-03-18 BE BE645348D patent/BE645348A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6402331A (US06826419-20041130-M00005.png) | 1964-09-23 |
| AT244320B (de) | 1965-12-27 |
| GB997561A (en) | 1965-07-07 |
| DE1183896B (de) | 1964-12-23 |
