IT1079964B - Preparazione di esteri di glicol - Google Patents
Preparazione di esteri di glicolInfo
- Publication number
- IT1079964B IT1079964B IT50066/77A IT5006677A IT1079964B IT 1079964 B IT1079964 B IT 1079964B IT 50066/77 A IT50066/77 A IT 50066/77A IT 5006677 A IT5006677 A IT 5006677A IT 1079964 B IT1079964 B IT 1079964B
- Authority
- IT
- Italy
- Prior art keywords
- preparation
- glycol esters
- esters
- glycol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
- B01J27/30—Regeneration or reactivation of catalysts comprising compounds of sulfur, selenium or tellurium
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/701,464 US4073876A (en) | 1976-07-01 | 1976-07-01 | Preparation of glycol esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1079964B true IT1079964B (it) | 1985-05-16 |
Family
ID=24817483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT50066/77A IT1079964B (it) | 1976-07-01 | 1977-06-30 | Preparazione di esteri di glicol |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4073876A (it) |
| JP (1) | JPS533987A (it) |
| BE (1) | BE856381A (it) |
| DE (1) | DE2729843C3 (it) |
| FR (1) | FR2356594A1 (it) |
| GB (1) | GB1563564A (it) |
| IT (1) | IT1079964B (it) |
| NL (1) | NL168212C (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834540A1 (de) * | 1978-08-07 | 1980-02-21 | Basf Ag | Verfahren zur herstellung von carbonsaeureestern vicinaler glykole |
| US4224301A (en) * | 1979-08-20 | 1980-09-23 | Atlantic Richfield Company | Removal of tellurium from glycol ester solutions |
| US4244936A (en) * | 1979-10-09 | 1981-01-13 | Atlantic Richfield Company | Recovery of tellurium from acidic sulfonated ion exchange resins by acid elution |
| US4256912A (en) * | 1979-10-09 | 1981-03-17 | Atlantic Richfield Company | Removal of soluble tellurium or compounds thereof from a crude glycol ester solution |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637515A (en) * | 1966-05-02 | 1972-01-25 | Celanese Corp | Tellurium dioxide solutions |
| US3778468A (en) * | 1968-09-26 | 1973-12-11 | Halcon International Inc | Process for preparing ethylene glycol esters |
| US3985795A (en) * | 1970-03-03 | 1976-10-12 | Halcon International, Inc. | Process for preparing glycols from their ester precursors |
| US3715389A (en) * | 1971-03-01 | 1973-02-06 | Halcon International Inc | Process for preparing glycol esters from olefinically unsaturated compounds |
| US3907874A (en) * | 1972-08-09 | 1975-09-23 | Halcon International Inc | Vicinal glycol ester preparation process |
| US3872164A (en) * | 1973-12-12 | 1975-03-18 | Halcon International Inc | Preparation of glyocol acetates |
-
1976
- 1976-07-01 US US05/701,464 patent/US4073876A/en not_active Expired - Lifetime
-
1977
- 1977-06-23 NL NLAANVRAGE7706949,A patent/NL168212C/xx not_active IP Right Cessation
- 1977-06-30 FR FR7720068A patent/FR2356594A1/fr active Granted
- 1977-06-30 IT IT50066/77A patent/IT1079964B/it active
- 1977-07-01 GB GB27703/77A patent/GB1563564A/en not_active Expired
- 1977-07-01 BE BE179008A patent/BE856381A/xx unknown
- 1977-07-01 JP JP7799077A patent/JPS533987A/ja active Granted
- 1977-07-01 DE DE2729843A patent/DE2729843C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2356594B1 (it) | 1980-02-08 |
| FR2356594A1 (fr) | 1978-01-27 |
| US4073876A (en) | 1978-02-14 |
| BE856381A (fr) | 1978-01-02 |
| NL168212C (nl) | 1982-03-16 |
| NL168212B (nl) | 1981-10-16 |
| GB1563564A (en) | 1980-03-26 |
| DE2729843C3 (de) | 1980-04-17 |
| JPS5743304B2 (it) | 1982-09-14 |
| NL7706949A (nl) | 1978-01-03 |
| DE2729843B2 (de) | 1979-07-26 |
| DE2729843A1 (de) | 1978-01-05 |
| JPS533987A (en) | 1978-01-14 |
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