DD115349A5 - - Google Patents
Info
- Publication number
- DD115349A5 DD115349A5 DD182930A DD18293074A DD115349A5 DD 115349 A5 DD115349 A5 DD 115349A5 DD 182930 A DD182930 A DD 182930A DD 18293074 A DD18293074 A DD 18293074A DD 115349 A5 DD115349 A5 DD 115349A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- 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
- C07C67/04—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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US424039A US3872164A (en) | 1973-12-12 | 1973-12-12 | Preparation of glyocol acetates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD115349A5 true DD115349A5 (nl) | 1975-09-20 |
Family
ID=23681211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD182930A DD115349A5 (nl) | 1973-12-12 | 1974-12-11 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3872164A (nl) |
| JP (1) | JPS5230488B2 (nl) |
| BE (1) | BE823225A (nl) |
| CA (1) | CA1046081A (nl) |
| DD (1) | DD115349A5 (nl) |
| ES (1) | ES432846A1 (nl) |
| FR (1) | FR2272070B1 (nl) |
| GB (1) | GB1489074A (nl) |
| IT (1) | IT1024445B (nl) |
| NL (1) | NL156130B (nl) |
| NO (1) | NO744466L (nl) |
| PL (1) | PL94138B1 (nl) |
| SE (1) | SE7414238L (nl) |
| SU (1) | SU656502A3 (nl) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045477A (en) * | 1975-07-17 | 1977-08-30 | Chem Systems Inc. | Acetoxylation process |
| US4073876A (en) * | 1976-07-01 | 1978-02-14 | Halcon International, Inc. | Preparation of glycol esters |
| US4144396A (en) * | 1977-06-27 | 1979-03-13 | Mitsubishi Chemical Industries Limited | Process for producing alkylene glycol esters |
| US4187153A (en) * | 1977-11-14 | 1980-02-05 | Halcon Research & Development Corporation | Production of alkylene glycols |
| US4245114A (en) * | 1978-12-19 | 1981-01-13 | Halcon Research And Development Corporation | Glycol ester preparation |
| US4237312A (en) * | 1979-04-02 | 1980-12-02 | Phillips Petroleum Company | Oxidation process including recovery and recycle of catalyst |
| CN117567277A (zh) * | 2023-11-24 | 2024-02-20 | 广东道科特生物科技有限公司 | 一种高沸点溶剂乙二醇二醋酸酯的合成工艺 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689535A (en) * | 1968-09-26 | 1972-09-05 | John Kollar | Process for preparing ethylene glycol esters |
| US3743672A (en) * | 1970-05-27 | 1973-07-03 | Halcon International Inc | Separation of water in alkylene glycol mono and diester purification by azeotropic distillation |
| US3715389A (en) * | 1971-03-01 | 1973-02-06 | Halcon International Inc | Process for preparing glycol esters from olefinically unsaturated compounds |
| US3715388A (en) * | 1971-03-01 | 1973-02-06 | Halcon International Inc | Process for preparing glycol esters from ethylene and propylene |
| US3789065A (en) * | 1971-10-07 | 1974-01-29 | Halcon International Inc | Process for preparing vicinal glycol esters from olefins |
| US3770813A (en) * | 1971-10-26 | 1973-11-06 | Halcon International Inc | Process for producing glycol esters |
-
1973
- 1973-12-12 US US424039A patent/US3872164A/en not_active Expired - Lifetime
-
1974
- 1974-11-13 SE SE7414238A patent/SE7414238L/xx unknown
- 1974-12-02 NL NL7415684.A patent/NL156130B/nl not_active IP Right Cessation
- 1974-12-11 PL PL1974176327A patent/PL94138B1/pl unknown
- 1974-12-11 NO NO744466A patent/NO744466L/no unknown
- 1974-12-11 SU SU742087416A patent/SU656502A3/ru active
- 1974-12-11 FR FR7440757A patent/FR2272070B1/fr not_active Expired
- 1974-12-11 CA CA215,729A patent/CA1046081A/en not_active Expired
- 1974-12-11 DD DD182930A patent/DD115349A5/xx unknown
- 1974-12-11 BE BE151395A patent/BE823225A/xx unknown
- 1974-12-12 ES ES432846A patent/ES432846A1/es not_active Expired
- 1974-12-12 IT IT54530/74A patent/IT1024445B/it active
- 1974-12-12 GB GB53836/74A patent/GB1489074A/en not_active Expired
- 1974-12-12 JP JP49143001A patent/JPS5230488B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5230488B2 (nl) | 1977-08-09 |
| DE2458860A1 (de) | 1975-06-19 |
| BE823225A (fr) | 1975-06-11 |
| CA1046081A (en) | 1979-01-09 |
| GB1489074A (en) | 1977-10-19 |
| SE7414238L (nl) | 1975-06-13 |
| JPS5089315A (nl) | 1975-07-17 |
| DE2458860B2 (de) | 1976-07-15 |
| NL156130B (nl) | 1978-03-15 |
| FR2272070B1 (nl) | 1977-11-10 |
| US3872164A (en) | 1975-03-18 |
| NL7415684A (nl) | 1975-06-16 |
| IT1024445B (it) | 1978-06-20 |
| FR2272070A1 (nl) | 1975-12-19 |
| NO744466L (nl) | 1975-07-07 |
| PL94138B1 (nl) | 1977-07-30 |
| ES432846A1 (es) | 1976-11-01 |
| AU7609374A (en) | 1976-06-10 |
| SU656502A3 (ru) | 1979-04-05 |