CH392480A - Verfahren zur Herstellung sehr reinen Formaldehyds - Google Patents
Verfahren zur Herstellung sehr reinen FormaldehydsInfo
- Publication number
- CH392480A CH392480A CH269261A CH269261A CH392480A CH 392480 A CH392480 A CH 392480A CH 269261 A CH269261 A CH 269261A CH 269261 A CH269261 A CH 269261A CH 392480 A CH392480 A CH 392480A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- pure formaldehyde
- formaldehyde
- pure
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
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
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- 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
- C07C45/86—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL249163 | 1960-03-07 | ||
| NL252342 | 1960-06-04 | ||
| NL254465 | 1960-08-02 | ||
| NL260480 | 1961-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH392480A true CH392480A (de) | 1965-05-31 |
Family
ID=27483661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH269261A CH392480A (de) | 1960-03-07 | 1961-03-07 | Verfahren zur Herstellung sehr reinen Formaldehyds |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE601010A (enrdf_load_html_response) |
| CH (1) | CH392480A (enrdf_load_html_response) |
| GB (1) | GB980283A (enrdf_load_html_response) |
| SE (1) | SE300971B (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL284864A (enrdf_load_html_response) * | 1961-10-30 |
-
1961
- 1961-03-07 SE SE238761A patent/SE300971B/xx unknown
- 1961-03-07 GB GB836861A patent/GB980283A/en not_active Expired
- 1961-03-07 BE BE601010A patent/BE601010A/fr unknown
- 1961-03-07 CH CH269261A patent/CH392480A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE300971B (enrdf_load_html_response) | 1968-05-20 |
| BE601010A (fr) | 1961-09-07 |
| GB980283A (en) | 1965-01-13 |
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