BE722900A - - Google Patents
Info
- Publication number
- BE722900A BE722900A BE722900DA BE722900A BE 722900 A BE722900 A BE 722900A BE 722900D A BE722900D A BE 722900DA BE 722900 A BE722900 A BE 722900A
- 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
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- 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
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49596165A | 1965-10-14 | 1965-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722900A true BE722900A (en:Method) | 1969-04-25 |
Family
ID=23970668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722900D BE722900A (en:Method) | 1965-10-14 | 1968-10-25 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3423368A (en:Method) |
| BE (1) | BE722900A (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5698548B2 (ja) * | 2011-01-26 | 2015-04-08 | ポリプラスチックス株式会社 | ヘミホルマール濃縮物の製造方法及びホルムアルデヒドガスの製造方法 |
| CN104710292B (zh) * | 2015-03-24 | 2017-06-06 | 江苏凯茂石化科技有限公司 | 一种无水纯甲醛气体的精制方法及工艺装置 |
| CN104725203B (zh) * | 2015-03-24 | 2016-05-11 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
| CN104725202A (zh) * | 2015-03-24 | 2015-06-24 | 江苏凯茂石化科技有限公司 | 一种用于聚甲氧基二甲醚原料生产的工艺装置及工艺方法 |
| CN104844432A (zh) * | 2015-06-01 | 2015-08-19 | 湖北三里枫香科技有限公司 | 一种甲醛溶液为原料生产甘氨酸法草甘膦原料的工艺方法及装置 |
| CN107353188A (zh) * | 2016-05-10 | 2017-11-17 | 北京旭阳科技有限公司 | 一种制备无水气相甲醛的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3000859A (en) * | 1956-12-12 | 1961-09-19 | Exxon Research Engineering Co | Preparation of resins from aromatics and aldehydes |
| US3178393A (en) * | 1960-08-10 | 1965-04-13 | Velsicol Chemical Corp | Formaldehyde-aromatic hydrocarbon condensation product prepared with a hydrocarbon sulfonic acid |
-
1965
- 1965-10-14 US US495961A patent/US3423368A/en not_active Expired - Lifetime
-
1968
- 1968-10-25 BE BE722900D patent/BE722900A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3423368A (en) | 1969-01-21 |