SE308519B - - Google Patents
Info
- Publication number
- SE308519B SE308519B SE12745/61A SE1274561A SE308519B SE 308519 B SE308519 B SE 308519B SE 12745/61 A SE12745/61 A SE 12745/61A SE 1274561 A SE1274561 A SE 1274561A SE 308519 B SE308519 B SE 308519B
- Authority
- SE
- Sweden
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
- C07C45/81—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
-
- 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)
- Crystallography & Structural 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 |
|---|---|---|---|
| DEB60625A DE1205525B (de) | 1960-12-23 | 1960-12-23 | Verfahren zur Aufarbeitung von Nebenprodukten der Isophoronherstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE308519B true SE308519B (en, 2012) | 1969-02-17 |
Family
ID=6972903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12745/61A SE308519B (en, 2012) | 1960-12-23 | 1961-12-20 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3337423A (en, 2012) |
| BE (1) | BE611719A (en, 2012) |
| CH (1) | CH427768A (en, 2012) |
| DE (1) | DE1205525B (en, 2012) |
| DK (1) | DK120589B (en, 2012) |
| GB (1) | GB1011581A (en, 2012) |
| LU (1) | LU40737A1 (en, 2012) |
| SE (1) | SE308519B (en, 2012) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3397120A (en) * | 1967-01-13 | 1968-08-13 | Exxon Research Engineering Co | Purification of dihydroisophorone by plural distillation and isomerization |
| US3462348A (en) * | 1968-03-25 | 1969-08-19 | Exxon Research Engineering Co | Purification of isophorone by plural stage distillation |
| GB1498017A (en) * | 1974-05-15 | 1978-01-18 | Bp Chem Int Ltd | Isophorone production using a potassium hydroxide catalys |
| GB1528129A (en) * | 1975-10-20 | 1978-10-11 | Bp Chem Int Ltd | Process for the production of isophorone |
| US4434301A (en) | 1982-08-25 | 1984-02-28 | Union Carbide Corporation | Production of low color refined isophorone |
| DE3639921A1 (de) * | 1986-11-22 | 1988-06-01 | Huels Chemische Werke Ag | Verfahren zur herstellung von 4.4.8.8.10-pentamethylbicyclo(4.4.0)-decen-(1.6)-on(2) |
| DE3640306A1 (de) * | 1986-11-26 | 1988-06-09 | Huels Chemische Werke Ag | Verfahren zur herstellung von 4.4.8.8.10-pentamethyl-10-cyano-bicyclo-(4.4.0)-decen-(1,6)-on-(2) |
| DE102010062587A1 (de) * | 2010-12-08 | 2012-06-14 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Isophoron |
| DE102010062603A1 (de) | 2010-12-08 | 2012-06-14 | Evonik Degussa Gmbh | Verfahren zur Herstellung von 3-Aminomethyl-3,5,5-trimethylcyclohexylamin |
| DE102011075777A1 (de) | 2011-05-13 | 2012-11-15 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Isophoron in Gegenwart mindestens eines Entschäumers in der Abwasserkolonne im Aufarbeitungsteil |
| DE102013215874A1 (de) | 2013-08-12 | 2015-02-12 | Evonik Industries Ag | Hydrolyse der bei der Produktion von Isophoron anfallenden Rückstände zurRückgewinnung von Isophoron und Aceton |
| CN111377806B (zh) * | 2018-12-27 | 2022-07-12 | 万华化学集团股份有限公司 | 一种丙酮液相缩合法制异佛尔酮的后处理工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2351352A (en) * | 1941-07-29 | 1944-06-13 | Shell Dev | Separation of by-products from isophorone |
| US2419051A (en) * | 1944-12-05 | 1947-04-15 | Shell Dev | Hydrolysis of acetone autocondensation products |
| US2566564A (en) * | 1946-09-10 | 1951-09-04 | Distillers Co Yeast Ltd | Process for the manufacture of isophorone and homo-isophorones |
| US2912365A (en) * | 1952-11-10 | 1959-11-10 | Gulf Oil Corp | System of control for fractionation process |
-
1960
- 1960-12-23 DE DEB60625A patent/DE1205525B/de active Pending
-
1961
- 1961-10-19 CH CH1206961A patent/CH427768A/de unknown
- 1961-10-20 LU LU40737D patent/LU40737A1/xx unknown
- 1961-11-21 GB GB41684/61A patent/GB1011581A/en not_active Expired
- 1961-12-18 US US160363A patent/US3337423A/en not_active Expired - Lifetime
- 1961-12-19 BE BE611719A patent/BE611719A/fr unknown
- 1961-12-20 SE SE12745/61A patent/SE308519B/xx unknown
- 1961-12-22 DK DK515761AA patent/DK120589B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3337423A (en) | 1967-08-22 |
| GB1011581A (en) | 1965-12-01 |
| LU40737A1 (en, 2012) | 1961-12-20 |
| DK120589B (da) | 1971-06-21 |
| DE1205525B (de) | 1965-11-25 |
| CH427768A (de) | 1967-01-15 |
| BE611719A (fr) | 1962-04-16 |