FR1497466A - Procédé de sublimation de l'acide téréphtalique impur - Google Patents
Procédé de sublimation de l'acide téréphtalique impurInfo
- Publication number
- FR1497466A FR1497466A FR42461A FR42461A FR1497466A FR 1497466 A FR1497466 A FR 1497466A FR 42461 A FR42461 A FR 42461A FR 42461 A FR42461 A FR 42461A FR 1497466 A FR1497466 A FR 1497466A
- Authority
- FR
- France
- Prior art keywords
- terephthalic acid
- sublimation process
- impure terephthalic
- acid sublimation
- impure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41848264A | 1964-12-15 | 1964-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1497466A true FR1497466A (fr) | 1967-10-13 |
Family
ID=23658285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR42461A Expired FR1497466A (fr) | 1964-12-15 | 1965-12-15 | Procédé de sublimation de l'acide téréphtalique impur |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE673809A (fr) |
CH (1) | CH470336A (fr) |
DE (1) | DE1493132C3 (fr) |
FR (1) | FR1497466A (fr) |
GB (1) | GB1078660A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109646987B (zh) * | 2019-01-10 | 2024-03-26 | 合肥百思智能装备有限公司 | 一种连续进出料高真空有机小分子提纯专用设备 |
-
1965
- 1965-12-14 GB GB5303565A patent/GB1078660A/en not_active Expired
- 1965-12-15 BE BE673809A patent/BE673809A/xx unknown
- 1965-12-15 DE DE19651493132 patent/DE1493132C3/de not_active Expired
- 1965-12-15 FR FR42461A patent/FR1497466A/fr not_active Expired
- 1965-12-15 CH CH1731565A patent/CH470336A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1078660A (en) | 1967-08-09 |
CH470336A (de) | 1969-03-31 |
BE673809A (fr) | 1966-06-15 |
DE1493132C3 (de) | 1973-12-13 |
DE1493132B2 (de) | 1973-05-17 |
DE1493132A1 (de) | 1969-05-14 |
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