RO69788A - Procedeu pentru recuperarea diesterilor de propilenglicol la fabricarea oxidului de propilena - Google Patents
Procedeu pentru recuperarea diesterilor de propilenglicol la fabricarea oxidului de propilenaInfo
- Publication number
- RO69788A RO69788A RO7685933A RO8593376A RO69788A RO 69788 A RO69788 A RO 69788A RO 7685933 A RO7685933 A RO 7685933A RO 8593376 A RO8593376 A RO 8593376A RO 69788 A RO69788 A RO 69788A
- Authority
- RO
- Romania
- Prior art keywords
- propiline
- propilenglicol
- diesters
- recycling
- procedure
- Prior art date
Links
- 150000005690 diesters Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000004064 recycling Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/12—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
-
- 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)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2519291A DE2519291C3 (de) | 1975-04-30 | 1975-04-30 | Verfahren zur Gewinnung von Propylenglykoldicarboxylaten bei der Herstellung von Propylenoxid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO69788A true RO69788A (ro) | 1980-12-30 |
Family
ID=5945444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7685933A RO69788A (ro) | 1975-04-30 | 1976-04-28 | Procedeu pentru recuperarea diesterilor de propilenglicol la fabricarea oxidului de propilena |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5946230B2 (OSRAM) |
| BE (1) | BE841201A (OSRAM) |
| CA (1) | CA1069458A (OSRAM) |
| DE (1) | DE2519291C3 (OSRAM) |
| ES (1) | ES447409A1 (OSRAM) |
| FR (1) | FR2309549A1 (OSRAM) |
| GB (1) | GB1491661A (OSRAM) |
| IE (1) | IE43576B1 (OSRAM) |
| NL (1) | NL175909C (OSRAM) |
| NO (1) | NO761472L (OSRAM) |
| RO (1) | RO69788A (OSRAM) |
| SU (1) | SU621313A3 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0540410U (ja) * | 1991-10-24 | 1993-06-01 | 清水建設株式会社 | Ｐｃ版間目地 |
| DE102009038398A1 (de) | 2009-08-24 | 2011-03-03 | Uhde Gmbh | Verfahren und Vorrichtung zur Herstellung von Alkylenoxiden und von Alkylenglykolen |
-
1975
- 1975-04-30 DE DE2519291A patent/DE2519291C3/de not_active Expired
-
1976
- 1976-04-28 NL NLAANVRAGE7604535,A patent/NL175909C/xx not_active IP Right Cessation
- 1976-04-28 IE IE900/76A patent/IE43576B1/en unknown
- 1976-04-28 CA CA251,271A patent/CA1069458A/en not_active Expired
- 1976-04-28 GB GB17180/76A patent/GB1491661A/en not_active Expired
- 1976-04-28 BE BE2054984A patent/BE841201A/xx not_active IP Right Cessation
- 1976-04-28 ES ES447409A patent/ES447409A1/es not_active Expired
- 1976-04-28 FR FR7612605A patent/FR2309549A1/fr active Granted
- 1976-04-28 JP JP51047899A patent/JPS5946230B2/ja not_active Expired
- 1976-04-28 NO NO761472A patent/NO761472L/no unknown
- 1976-04-28 RO RO7685933A patent/RO69788A/ro unknown
-
1977
- 1977-04-28 SU SU772353465A patent/SU621313A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51133220A (en) | 1976-11-18 |
| JPS5946230B2 (ja) | 1984-11-10 |
| FR2309549A1 (fr) | 1976-11-26 |
| DE2519291A1 (de) | 1976-11-11 |
| DE2519291B2 (de) | 1979-10-11 |
| IE43576L (en) | 1976-10-30 |
| FR2309549B1 (OSRAM) | 1979-09-07 |
| NO761472L (OSRAM) | 1976-11-02 |
| GB1491661A (en) | 1977-11-09 |
| IE43576B1 (en) | 1981-04-08 |
| SU621313A3 (ru) | 1978-08-25 |
| NL175909C (nl) | 1985-01-16 |
| BE841201A (fr) | 1976-10-28 |
| ES447409A1 (es) | 1978-10-16 |
| NL175909B (nl) | 1984-08-16 |
| CA1069458A (en) | 1980-01-08 |
| DE2519291C3 (de) | 1980-07-03 |
| NL7604535A (nl) | 1976-11-02 |
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