BE521283A - Procede et appareillage pour la purification du terephtalate dimethylique. - Google Patents
Procede et appareillage pour la purification du terephtalate dimethylique.Info
- Publication number
- BE521283A BE521283A BE521283A BE521283A BE521283A BE 521283 A BE521283 A BE 521283A BE 521283 A BE521283 A BE 521283A BE 521283 A BE521283 A BE 521283A BE 521283 A BE521283 A BE 521283A
- Authority
- BE
- Belgium
- Prior art keywords
- dimethyl terephthalate
- purifying dimethyl
- purifying
- terephthalate
- dimethyl
- 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
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1079683X | 1952-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE521283A true BE521283A (fr) | 1955-08-19 |
Family
ID=11430469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE521283A BE521283A (fr) | 1952-07-28 | 1953-07-08 | Procede et appareillage pour la purification du terephtalate dimethylique. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2829155A (fr) |
BE (1) | BE521283A (fr) |
DE (1) | DE974505C (fr) |
FR (1) | FR1079683A (fr) |
GB (1) | GB748710A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3000887A (en) * | 1961-09-19 | Purificajjon of phenothiazine | ||
US2945788A (en) * | 1956-11-19 | 1960-07-19 | Glanzstoff Ag | Process for the purification of dimethylterephthalate |
US3002980A (en) * | 1957-08-30 | 1961-10-03 | American Cyanamid Co | Recovery of phthalic anhydride from phthalic anhydride coke |
US3542814A (en) * | 1968-07-12 | 1970-11-24 | Koppers Co Inc | Pyromellitic dianhydride purification |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR965733A (fr) * | 1950-09-20 | |||
DE406203C (de) * | 1919-10-14 | 1924-11-18 | Selden Co | Vorrichtung zum Reinigen von Phthalsaeureanhydrid |
US1953937A (en) * | 1927-12-22 | 1934-04-10 | Selden Res & Engineering Corp | Purification of phthalic anhydride |
US1864893A (en) * | 1928-09-24 | 1932-06-28 | American Solvents And Chemical | Process for making esters of butyl alcohol |
US2064468A (en) * | 1933-04-27 | 1936-12-15 | Nat Aniline & Chem Co Inc | Production of phthalic anhydride in finely divided solid form |
US2164274A (en) * | 1935-12-23 | 1939-06-27 | Colgate Palmolive Peet Co | Distillation of glycerin |
US2329305A (en) * | 1941-10-09 | 1943-09-14 | Matthew W Svetlick | Distilling apparatus |
US2494133A (en) * | 1946-09-07 | 1950-01-10 | American Cyanamid Co | Method of neutralizing and completely removing salts before distilling crude high-boiling esters |
DE824787C (de) * | 1948-10-02 | 1951-12-13 | Otto & Co Gmbh Dr C | Verfahren und Vorrichtung zum Trennen von Fluessigkeitsgemischen durch Destillation |
US2559142A (en) * | 1948-10-09 | 1951-07-03 | John O Woodworth | Short turn steering mechanism |
US2578326A (en) * | 1949-09-06 | 1951-12-11 | California Research Corp | Purification of benzene polycarboxylic acids by an oil sublimation process |
US2646393A (en) * | 1952-06-21 | 1953-07-21 | Du Pont | Process for the purification of dimethyl terephthalate by distillation |
-
1953
- 1953-06-22 US US36315453 patent/US2829155A/en not_active Expired - Lifetime
- 1953-06-24 GB GB17554/53A patent/GB748710A/en not_active Expired
- 1953-06-29 FR FR1079683D patent/FR1079683A/fr not_active Expired
- 1953-07-08 BE BE521283A patent/BE521283A/fr unknown
- 1953-07-28 DE DEP10189D patent/DE974505C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE974505C (de) | 1961-01-19 |
GB748710A (en) | 1956-05-09 |
US2829155A (en) | 1958-04-01 |
FR1079683A (fr) | 1954-12-01 |
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