GB980283A - Process for preparing very pure formaldehyde - Google Patents
Process for preparing very pure formaldehydeInfo
- Publication number
- GB980283A GB980283A GB836861A GB836861A GB980283A GB 980283 A GB980283 A GB 980283A GB 836861 A GB836861 A GB 836861A GB 836861 A GB836861 A GB 836861A GB 980283 A GB980283 A GB 980283A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- formaldehyde
- weight
- reaction conditions
- salt
- 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
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)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (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 |
|---|---|
| GB980283A true GB980283A (en) | 1965-01-13 |
Family
ID=27483661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB836861A Expired GB980283A (en) | 1960-03-07 | 1961-03-07 | Process for preparing very pure formaldehyde |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE601010A (https=) |
| CH (1) | CH392480A (https=) |
| GB (1) | GB980283A (https=) |
| SE (1) | SE300971B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL131799C (https=) * | 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 (https=) | 1968-05-20 |
| BE601010A (fr) | 1961-09-07 |
| CH392480A (de) | 1965-05-31 |
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