BE720959A - - Google Patents
Info
- Publication number
- BE720959A BE720959A BE720959DA BE720959A BE 720959 A BE720959 A BE 720959A BE 720959D A BE720959D A BE 720959DA BE 720959 A BE720959 A BE 720959A
- Authority
- BE
- Belgium
- Prior art keywords
- glycol
- spent
- ethylene glycol
- hydrogenation
- water
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/205—1,3-Propanediol; 1,2-Propanediol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66867067A | 1967-09-18 | 1967-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720959A true BE720959A (enrdf_load_html_response) | 1969-03-17 |
Family
ID=24683286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720959D BE720959A (enrdf_load_html_response) | 1967-09-18 | 1968-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE720959A (enrdf_load_html_response) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004076513A3 (en) * | 2003-02-25 | 2004-12-16 | Invista Tech Sarl | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
| US7129316B2 (en) | 2004-01-07 | 2006-10-31 | Invista North America S.A R.L. | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
-
1968
- 1968-09-17 BE BE720959D patent/BE720959A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004076513A3 (en) * | 2003-02-25 | 2004-12-16 | Invista Tech Sarl | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
| US7129316B2 (en) | 2004-01-07 | 2006-10-31 | Invista North America S.A R.L. | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
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