BE551364A - PROCEDURE FOR PURIFICATION OF DIMETHYLTEREPHTALATE. - Google Patents
PROCEDURE FOR PURIFICATION OF DIMETHYLTEREPHTALATE.Info
- Publication number
- BE551364A BE551364A BE551364A BE551364A BE551364A BE 551364 A BE551364 A BE 551364A BE 551364 A BE551364 A BE 551364A BE 551364 A BE551364 A BE 551364A BE 551364 A BE551364 A BE 551364A
- Authority
- BE
- Belgium
- Prior art keywords
- dimethylterephtalate
- purification
- procedure
- Prior art date
Links
Classifications
-
- 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
- C07C67/62—Use of additives, e.g. for stabilisation
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV9752A DE1004162B (en) | 1955-11-18 | 1955-11-18 | Process for purifying dimethyl terephthalate |
Publications (1)
Publication Number | Publication Date |
---|---|
BE551364A true BE551364A (en) | 1959-12-18 |
Family
ID=7572808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE551364A BE551364A (en) | 1955-11-18 | 1956-09-28 | PROCEDURE FOR PURIFICATION OF DIMETHYLTEREPHTALATE. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE551364A (en) |
CH (1) | CH346535A (en) |
DE (1) | DE1004162B (en) |
FR (1) | FR1163410A (en) |
GB (1) | GB802067A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3468763A (en) * | 1966-06-21 | 1969-09-23 | Halcon International Inc | Purification of terephthalonitrile by azeotropic distillation with ethylene glycol |
-
1955
- 1955-11-18 DE DEV9752A patent/DE1004162B/en active Pending
-
1956
- 1956-09-27 CH CH346535D patent/CH346535A/en unknown
- 1956-09-28 BE BE551364A patent/BE551364A/en unknown
- 1956-10-08 FR FR1163410A patent/FR1163410A/en not_active Expired
- 1956-10-25 GB GB32597/56A patent/GB802067A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3468763A (en) * | 1966-06-21 | 1969-09-23 | Halcon International Inc | Purification of terephthalonitrile by azeotropic distillation with ethylene glycol |
Also Published As
Publication number | Publication date |
---|---|
DE1004162B (en) | 1957-03-14 |
GB802067A (en) | 1958-09-24 |
FR1163410A (en) | 1958-09-25 |
CH346535A (en) | 1960-05-31 |
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