BE769954A - Procede perfectionne de purification de l'acide terephtalique brut - Google Patents
Procede perfectionne de purification de l'acide terephtalique brutInfo
- Publication number
- BE769954A BE769954A BE769954A BE769954A BE769954A BE 769954 A BE769954 A BE 769954A BE 769954 A BE769954 A BE 769954A BE 769954 A BE769954 A BE 769954A BE 769954 A BE769954 A BE 769954A
- Authority
- BE
- Belgium
- Prior art keywords
- terephthalic acid
- crude terephthalic
- purifying crude
- perfected process
- perfected
- Prior art date
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
Classifications
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5777870A | 1970-07-23 | 1970-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE769954A true BE769954A (fr) | 1972-01-13 |
Family
ID=22012705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE769954A BE769954A (fr) | 1970-07-23 | 1971-07-13 | Procede perfectionne de purification de l'acide terephtalique brut |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU452375B2 (enrdf_load_html_response) |
| BE (1) | BE769954A (enrdf_load_html_response) |
| CH (1) | CH568261A5 (enrdf_load_html_response) |
| DE (1) | DE2119936A1 (enrdf_load_html_response) |
| FR (1) | FR2103248A5 (enrdf_load_html_response) |
| GB (1) | GB1314661A (enrdf_load_html_response) |
| NL (1) | NL7110150A (enrdf_load_html_response) |
-
1971
- 1971-04-19 GB GB996371A patent/GB1314661A/en not_active Expired
- 1971-04-23 DE DE19712119936 patent/DE2119936A1/de active Pending
- 1971-07-13 BE BE769954A patent/BE769954A/xx unknown
- 1971-07-14 CH CH1036871A patent/CH568261A5/xx not_active IP Right Cessation
- 1971-07-22 NL NL7110150A patent/NL7110150A/xx unknown
- 1971-07-22 FR FR7126926A patent/FR2103248A5/fr not_active Expired
- 1971-07-23 AU AU31617/71A patent/AU452375B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2119936A1 (de) | 1972-02-03 |
| FR2103248A5 (enrdf_load_html_response) | 1972-04-07 |
| GB1314661A (en) | 1973-04-26 |
| CH568261A5 (enrdf_load_html_response) | 1975-10-31 |
| NL7110150A (enrdf_load_html_response) | 1972-01-25 |
| AU3161771A (en) | 1973-01-25 |
| AU452375B2 (en) | 1974-09-05 |
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