NL6717316A - - Google Patents
Info
- Publication number
- NL6717316A NL6717316A NL6717316A NL6717316A NL6717316A NL 6717316 A NL6717316 A NL 6717316A NL 6717316 A NL6717316 A NL 6717316A NL 6717316 A NL6717316 A NL 6717316A NL 6717316 A NL6717316 A NL 6717316A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/04—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds
- C07C67/05—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation
- C07C67/055—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides onto unsaturated carbon-to-carbon bonds with oxidation in the presence of platinum group metals or their compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
- C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967F0051238 DE1282014C2 (de) | 1967-01-12 | 1967-01-12 | Verfahren zur Gewinnung von Vinylestern und Carbonsaeuren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6717316A true NL6717316A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-07-15 |
| NL159652B NL159652B (nl) | 1979-03-15 |
Family
ID=7104452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6717316.A NL159652B (nl) | 1967-01-12 | 1967-12-19 | Werkwijze voor het continu winnen van vinylacetaat en azijnzuur uit onzuivere mengsels. |
Country Status (11)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3905875A (en) * | 1968-05-10 | 1975-09-16 | Bayer Ag | Process for the purification of crude liquid vinyl acetate |
| US4331513A (en) * | 1971-03-22 | 1982-05-25 | Deuterium Corporation | Apparatus for purifying a vaporizable liquid |
| RO69229A (ro) * | 1973-07-13 | 1980-12-30 | Farbwerke Hoechst Ag,De | Procedeu de separare a apei din amestecurile organice |
| US3951756A (en) * | 1974-11-08 | 1976-04-20 | Celanese Corporation | Purification of alkyl esters |
| DE2610624C2 (de) * | 1976-03-13 | 1985-02-14 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Gewinnung von Vinylacetat aus den Gasgemischen, die bei dessen Herstellung anfallen |
| DE2945913A1 (de) * | 1979-11-14 | 1981-06-04 | Hoechst Ag, 6000 Frankfurt | Verfahren zur abtrennung von wasser aus gemischen mit vinylacetat und essigsaeure |
| US4352940A (en) * | 1980-04-28 | 1982-10-05 | E. I. Du Pont De Nemours And Company | Hydrolysis of methyl acetate |
| US4414063A (en) * | 1982-04-12 | 1983-11-08 | E. I. Du Pont De Nemours & Co. | Removing residual acrylonitrile in aqueous dispersions |
| US4623432A (en) * | 1984-04-23 | 1986-11-18 | Amoco Corporation | Removal of brominated organics from acetic acid obtained by oxidation of liquid butane in presence of Co-Br or Co-Mn-Br system catalysis |
| KR900008691B1 (ko) * | 1984-04-26 | 1990-11-27 | 신니쯔 데쯔가가꾸 가부시끼가이샤 | 스틸렌류의 증류방법 |
| DE3422575A1 (de) * | 1984-06-18 | 1985-12-19 | Hoechst Ag, 6230 Frankfurt | Verfahren zur abtrennung von vinylacetat |
| US4566947A (en) * | 1984-09-27 | 1986-01-28 | Hidemasa Tsuruta | Method of separating a mixed liquid into light and heavy fractions by distillation |
| DE3934614A1 (de) * | 1989-10-17 | 1991-04-18 | Hoechst Ag | Verfahren zur isolierung von vinylacetat |
| JP3040136B2 (ja) * | 1990-06-04 | 2000-05-08 | 日本水産株式会社 | エイコサペンタエン酸またはそのエステルの製造方法 |
| JP3005638B2 (ja) * | 1990-06-04 | 2000-01-31 | 日本水産株式会社 | 高濃度エイコサペンタエン酸またはそのエステルの製造方法 |
| ECSP910793A (es) * | 1990-11-30 | 1992-12-21 | Union Carbide Chem Plastics Co Inc | La tecnologia de transvinilacion ayudada azeotropica |
| DE102010001097A1 (de) | 2010-01-21 | 2011-07-28 | Wacker Chemie AG, 81737 | Verfahren zur Herstellung von Vinylacetat |
| CN104718182B (zh) | 2012-08-30 | 2016-08-31 | 国际人造丝公司 | 具有用于预脱水塔的侧线式反应器的乙酸乙烯酯制造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2997495A (en) * | 1956-08-27 | 1961-08-22 | Air Reduction | Preparation of vinyl esters |
| US3113851A (en) * | 1959-09-05 | 1963-12-10 | Kurashiki Rayon Co | Process for recovering vapors |
| US3052610A (en) * | 1960-05-19 | 1962-09-04 | Kurashiki Rayon Co | Concentration of acetic acid |
| US3277158A (en) * | 1963-06-11 | 1966-10-04 | Union Oil Co | Production of vinyl acetate from ethylene |
| US3277159A (en) * | 1963-06-18 | 1966-10-04 | Union Oil Company Of America | Process for the production of unsaturated esters and acetals from olefins |
| US3290362A (en) * | 1963-08-05 | 1966-12-06 | Union Oil Co | Process for preparing esters and acetals by the oxidation of olefins |
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1967
- 1967-01-12 DE DE1967F0051238 patent/DE1282014C2/de not_active Expired
- 1967-12-19 NL NL6717316.A patent/NL159652B/xx unknown
- 1967-12-19 US US691747A patent/US3438870A/en not_active Expired - Lifetime
-
1968
- 1968-01-09 SE SE262/68A patent/SE318268B/xx unknown
- 1968-01-10 CH CH32368A patent/CH494726A/de not_active IP Right Cessation
- 1968-01-10 AT AT24868A patent/AT276333B/de active
- 1968-01-11 JP JP114468A patent/JPS5318011B1/ja active Pending
- 1968-01-11 BR BR196157/68A patent/BR6896157D0/pt unknown
- 1968-01-12 GB GB0815/68A patent/GB1208167A/en not_active Expired
- 1968-01-12 BE BE709322D patent/BE709322A/xx unknown
- 1968-01-12 FR FR135758A patent/FR1550857A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3438870A (en) | 1969-04-15 |
| FR1550857A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-12-20 |
| GB1208167A (en) | 1970-10-07 |
| BE709322A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1968-07-12 |
| NL159652B (nl) | 1979-03-15 |
| BR6896157D0 (pt) | 1973-01-02 |
| SE318268B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-12-08 |
| CH494726A (de) | 1970-08-15 |
| AT276333B (de) | 1969-11-25 |
| DE1282014B (de) | 1968-11-07 |
| DE1282014C2 (de) | 1969-07-17 |
| JPS5318011B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-06-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HOECHST |