CH416592A - Process for purifying formaldehyde - Google Patents
Process for purifying formaldehydeInfo
- Publication number
- CH416592A CH416592A CH371962A CH371962A CH416592A CH 416592 A CH416592 A CH 416592A CH 371962 A CH371962 A CH 371962A CH 371962 A CH371962 A CH 371962A CH 416592 A CH416592 A CH 416592A
- Authority
- CH
- Switzerland
- Prior art keywords
- purifying formaldehyde
- formaldehyde
- purifying
- 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
- C07C45/51—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT562761 | 1961-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH416592A true CH416592A (en) | 1966-07-15 |
Family
ID=11120351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH371962A CH416592A (en) | 1961-03-30 | 1962-03-28 | Process for purifying formaldehyde |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE615778A (en) |
CH (1) | CH416592A (en) |
DE (1) | DE1171895B (en) |
ES (1) | ES276180A1 (en) |
GB (1) | GB987457A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112691569A (en) * | 2020-12-04 | 2021-04-23 | 茌平银河化工有限公司 | Methanol evaporation oxidation device for silver method formaldehyde production |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19748380A1 (en) * | 1997-10-31 | 1999-05-06 | Hoechst Ag | Process for the purification of formaldehyde, its use and plastics made therewith |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE888101C (en) * | 1943-04-09 | 1953-08-31 | Henkel & Cie Gmbh | Process for improving the recovery of condensates from the waste gases from paraffin oxidation |
GB714821A (en) * | 1951-10-20 | 1954-09-01 | Celanese Corp | Concentrated formaldehyde solutions |
GB838097A (en) * | 1955-06-30 | 1960-06-22 | Borden Co | Process for preparing formaldehyde in stable form |
-
1962
- 1962-03-09 GB GB916062A patent/GB987457A/en not_active Expired
- 1962-03-26 DE DE1962M0052265 patent/DE1171895B/en active Pending
- 1962-03-28 CH CH371962A patent/CH416592A/en unknown
- 1962-03-29 BE BE615778A patent/BE615778A/en unknown
- 1962-03-29 ES ES276180A patent/ES276180A1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112691569A (en) * | 2020-12-04 | 2021-04-23 | 茌平银河化工有限公司 | Methanol evaporation oxidation device for silver method formaldehyde production |
Also Published As
Publication number | Publication date |
---|---|
BE615778A (en) | 1962-07-16 |
DE1171895B (en) | 1964-06-11 |
GB987457A (en) | 1965-03-31 |
ES276180A1 (en) | 1962-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH439754A (en) | Process for the etherification of solid polyols | |
CH434227A (en) | Process for purifying adipinedinitrile | |
CH479534A (en) | Process for purifying 1-aminoadamantane | |
CH439755A (en) | Process for curing epoxy compounds | |
AT262587B (en) | Process for impregnating wood | |
CH422509A (en) | Process for hardening layers containing protein | |
CH411338A (en) | Process for stabilizing polypropylene | |
CH484202A (en) | Process for purifying interferon | |
AT239206B (en) | Process for purifying glycols | |
CH454327A (en) | Process for purifying hydrocarbons | |
CH399479A (en) | Process for purifying polymyxins | |
CH471764A (en) | Process for purifying xylenol | |
CH393282A (en) | Process for purifying titanium trichloride | |
CH416592A (en) | Process for purifying formaldehyde | |
CH437799A (en) | Process for the production of formaldehyde copolymers | |
CH416097A (en) | Process for stabilizing trioxane copolymers | |
CH431080A (en) | Process for the preparation of formaldehyde copolymers | |
CH417955A (en) | Process for stabilizing polyacetals | |
CH392477A (en) | Process for the hydrogenation of aldehydes | |
CH436243A (en) | Process for the purification of gaseous formaldehyde | |
AT244054B (en) | Process for stabilizing polyacetals | |
CH393284A (en) | Process for purifying titanium trichloride | |
AT248685B (en) | Process for purifying polyolefins | |
CH393332A (en) | Process for purifying e-caprolactam | |
AT244320B (en) | Process for the purification of gaseous formaldehyde |