CH451901A - Manufacturing process of pure anhydrous gaseous formaldehyde - Google Patents
Manufacturing process of pure anhydrous gaseous formaldehydeInfo
- Publication number
- CH451901A CH451901A CH916165A CH916165A CH451901A CH 451901 A CH451901 A CH 451901A CH 916165 A CH916165 A CH 916165A CH 916165 A CH916165 A CH 916165A CH 451901 A CH451901 A CH 451901A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing process
- gaseous formaldehyde
- pure anhydrous
- anhydrous gaseous
- pure
- Prior art date
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
-
- 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
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE10296/64A SE332166B (en) | 1964-08-27 | 1964-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH451901A true CH451901A (en) | 1968-05-15 |
Family
ID=20292073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH916165A CH451901A (en) | 1964-08-27 | 1965-06-30 | Manufacturing process of pure anhydrous gaseous formaldehyde |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE667312A (en) |
| CH (1) | CH451901A (en) |
| DE (1) | DE1253259B (en) |
| ES (1) | ES315240A1 (en) |
| FR (1) | FR1445868A (en) |
| GB (1) | GB1110802A (en) |
| NL (2) | NL6509215A (en) |
| NO (1) | NO115736B (en) |
| SE (1) | SE332166B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993702A (en) * | 1975-09-29 | 1976-11-23 | Phillips Petroleum Company | Production of unsaturated alcohols |
-
0
- NL NL131177D patent/NL131177C/xx active
-
1964
- 1964-08-27 SE SE10296/64A patent/SE332166B/xx unknown
-
1965
- 1965-06-30 CH CH916165A patent/CH451901A/en unknown
- 1965-07-05 DE DES97999A patent/DE1253259B/en active Pending
- 1965-07-12 ES ES0315240A patent/ES315240A1/en not_active Expired
- 1965-07-16 NL NL6509215A patent/NL6509215A/xx unknown
- 1965-07-23 BE BE667312D patent/BE667312A/xx unknown
- 1965-08-02 GB GB32960/65A patent/GB1110802A/en not_active Expired
- 1965-08-11 FR FR28042A patent/FR1445868A/en not_active Expired
- 1965-08-19 NO NO159406A patent/NO115736B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO115736B (en) | 1968-11-25 |
| NL6509215A (en) | 1966-02-28 |
| ES315240A1 (en) | 1966-04-01 |
| GB1110802A (en) | 1968-04-24 |
| BE667312A (en) | 1965-11-16 |
| FR1445868A (en) | 1966-07-15 |
| SE332166B (en) | 1971-02-01 |
| NL131177C (en) | |
| DE1253259B (en) | 1967-11-02 |
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