BE716888A - - Google Patents
Info
- Publication number
- BE716888A BE716888A BE716888DA BE716888A BE 716888 A BE716888 A BE 716888A BE 716888D A BE716888D A BE 716888DA BE 716888 A BE716888 A BE 716888A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F99/00—Subject matter not provided for in other groups of this subclass
-
- 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 |
|---|---|---|---|
| US64734767A | 1967-06-20 | 1967-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE716888A true BE716888A (en:Method) | 1968-12-20 |
Family
ID=24596615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE716888D BE716888A (en:Method) | 1967-06-20 | 1968-06-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3546285A (en:Method) |
| BE (1) | BE716888A (en:Method) |
| FR (1) | FR1581584A (en:Method) |
| GB (1) | GB1191792A (en:Method) |
| NL (1) | NL6808530A (en:Method) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5324055B2 (en:Method) * | 1974-04-23 | 1978-07-18 | ||
| GB1578725A (en) * | 1977-03-02 | 1980-11-05 | Johnson Matthey Co Ltd | Catalytic process for the purification of terephthalic acid |
| US4317923A (en) * | 1979-08-23 | 1982-03-02 | Uop Inc. | Purification of dicarboxylic aromatic acids |
| US4438279A (en) | 1981-09-30 | 1984-03-20 | Standard Oil Company (Indiana) | Fiber-grade terephthalic acid recovered from the effluent from paraxylene oxidation in acetic acid and the catalytic hydrogenation of the oxidation effluent in the presence of metallic platinum family metals |
| US4467111A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
| US4467110A (en) * | 1981-10-29 | 1984-08-21 | Standard Oil Company (Indiana) | Process for purification of crude terephthalic acid |
| US4405809A (en) * | 1981-12-04 | 1983-09-20 | Standard Oil Company (Indiana) | Process for the manufacture of aromatic polycarboxylic acids having delta Y values below ten |
| US4791226A (en) * | 1983-06-23 | 1988-12-13 | Amoco Corporation | Catalyst and process for purification of crude terephthalic acid |
| US4626598A (en) * | 1985-06-17 | 1986-12-02 | Amoco Corporation | Purification of terephthalic acid |
| US4629715A (en) * | 1985-10-07 | 1986-12-16 | Amoco Corporation | Purification of terephthalic acid to relatively low levels of 4-carboxybenzaldehyde and catalyst therefor |
| US4892972A (en) * | 1985-10-07 | 1990-01-09 | Amoco Corporation | Purification of crude terephthalic acid |
| US20030120109A1 (en) * | 2001-12-20 | 2003-06-26 | Rosen Bruce I. | Purification of a crude acid mixture |
| WO2011100682A2 (en) * | 2010-02-15 | 2011-08-18 | Invista Technologies S.A.R.L. | Purification of carboxylic acids by catalytic hydrogenation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3058997A (en) * | 1958-05-23 | 1962-10-16 | Richfield Oil Corp | Phthalic acid products purification |
| FR1230841A (fr) * | 1958-08-06 | 1960-09-20 | Engelhard Ind | Procédé d'hydrogénation des composés carbonyles |
| GB994769A (en) * | 1963-03-29 | 1965-06-10 | Standard Oil Co | Purification of terephthalic acid |
-
1967
- 1967-06-20 US US647347A patent/US3546285A/en not_active Expired - Lifetime
-
1968
- 1968-06-12 GB GB27830/68A patent/GB1191792A/en not_active Expired
- 1968-06-18 NL NL6808530A patent/NL6808530A/xx unknown
- 1968-06-20 FR FR1581584D patent/FR1581584A/fr not_active Expired
- 1968-06-20 BE BE716888D patent/BE716888A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6808530A (en:Method) | 1968-12-23 |
| GB1191792A (en) | 1970-05-13 |
| US3546285A (en) | 1970-12-08 |
| FR1581584A (en:Method) | 1969-09-19 |