DK48579A - Fremgangsmaade til fremstilling af ufarvet og stabilt isophoron - Google Patents
Fremgangsmaade til fremstilling af ufarvet og stabilt isophoronInfo
- Publication number
- DK48579A DK48579A DK48579A DK48579A DK48579A DK 48579 A DK48579 A DK 48579A DK 48579 A DK48579 A DK 48579A DK 48579 A DK48579 A DK 48579A DK 48579 A DK48579 A DK 48579A
- Authority
- DK
- Denmark
- Prior art keywords
- isophoron
- procedure
- stable
- making colored
- colored
- 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
- C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7803352A FR2416211A1 (fr) | 1978-02-07 | 1978-02-07 | Procede d'obtention d'isophorone incolore par distillation et traitement par une resine |
| FR7834579A FR2443451A2 (fr) | 1978-12-08 | 1978-12-08 | Procede d'obtention d'isophorone incolore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK48579A true DK48579A (da) | 1979-08-08 |
Family
ID=26220431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK48579A DK48579A (da) | 1978-02-07 | 1979-02-06 | Fremgangsmaade til fremstilling af ufarvet og stabilt isophoron |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4248673A (da) |
| EP (1) | EP0003922A1 (da) |
| JP (1) | JPS54115350A (da) |
| DK (1) | DK48579A (da) |
| IT (1) | IT1110294B (da) |
| NO (1) | NO790371L (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012748A (en) * | 1997-07-16 | 2000-01-11 | Franks; John | Animal waste collection and disposal device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434301A (en) * | 1982-08-25 | 1984-02-28 | Union Carbide Corporation | Production of low color refined isophorone |
| GB9715318D0 (en) * | 1997-07-22 | 1997-09-24 | Bp Chem Int Ltd | Decolourisation process |
| US5877354A (en) * | 1997-12-03 | 1999-03-02 | Aristech Chemical Corporation | Process for making isophorone with improved color and color stability |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462348A (en) * | 1968-03-25 | 1969-08-19 | Exxon Research Engineering Co | Purification of isophorone by plural stage distillation |
| FR2050731A5 (en) * | 1969-06-23 | 1971-04-02 | Exxon Research Engineering Co | Purification of iiisophorone by 2-stage - distillation |
| US3652407A (en) * | 1969-10-28 | 1972-03-28 | Rohm & Haas | Decolorization of kraft wood pulp bleach effluents |
| GB1386697A (en) * | 1972-04-29 | 1975-03-12 | Dunlop Ltd | Shuttlecocks |
| DE2246103A1 (de) * | 1972-09-20 | 1974-03-28 | Bayer Sa Nv | Verfahren zur reinigung von cyclohexanon |
| GB1528129A (en) * | 1975-10-20 | 1978-10-11 | Bp Chem Int Ltd | Process for the production of isophorone |
-
1979
- 1979-01-29 EP EP79400058A patent/EP0003922A1/fr not_active Withdrawn
- 1979-01-30 US US06/007,695 patent/US4248673A/en not_active Expired - Lifetime
- 1979-02-05 JP JP1151479A patent/JPS54115350A/ja active Pending
- 1979-02-06 DK DK48579A patent/DK48579A/da not_active Application Discontinuation
- 1979-02-06 NO NO790371A patent/NO790371L/no unknown
- 1979-02-06 IT IT19939/79A patent/IT1110294B/it active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6012748A (en) * | 1997-07-16 | 2000-01-11 | Franks; John | Animal waste collection and disposal device |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1110294B (it) | 1985-12-23 |
| NO790371L (no) | 1979-08-08 |
| IT7919939A0 (it) | 1979-02-06 |
| US4248673A (en) | 1981-02-03 |
| EP0003922A1 (fr) | 1979-09-05 |
| JPS54115350A (en) | 1979-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHS | Application shelved for other reasons than non-payment |