IT944263B - IMPROVED PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID - Google Patents
IMPROVED PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACIDInfo
- Publication number
- IT944263B IT944263B IT32790/71A IT3279071A IT944263B IT 944263 B IT944263 B IT 944263B IT 32790/71 A IT32790/71 A IT 32790/71A IT 3279071 A IT3279071 A IT 3279071A IT 944263 B IT944263 B IT 944263B
- Authority
- IT
- Italy
- Prior art keywords
- production
- terephthalic acid
- improved procedure
- procedure
- improved
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
---|---|---|---|
JP11745870A JPS5414098B1 (en) | 1970-12-25 | 1970-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT944263B true IT944263B (en) | 1973-04-20 |
Family
ID=14712154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT32790/71A IT944263B (en) | 1970-12-25 | 1971-12-22 | IMPROVED PROCEDURE FOR THE PRODUCTION OF TEREPHTHALIC ACID |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5414098B1 (en) |
BG (1) | BG19792A3 (en) |
CH (1) | CH559714A5 (en) |
FI (1) | FI53812C (en) |
FR (1) | FR2119762A5 (en) |
HU (1) | HU167340B (en) |
IT (1) | IT944263B (en) |
PL (1) | PL83083B1 (en) |
RO (1) | RO61356A (en) |
ZA (1) | ZA718409B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5328421B2 (en) * | 1973-05-15 | 1978-08-15 | ||
JPS5328901B2 (en) * | 1973-07-28 | 1978-08-17 | ||
US4992580A (en) * | 1985-09-30 | 1991-02-12 | Amoco Corporation | Production of polycarboxylic acids with a molybdenum-activated cobalt catalyst |
JP3198711B2 (en) * | 1993-03-30 | 2001-08-13 | 三井化学株式会社 | Method and apparatus for producing terephthalic acid |
BR9712567A (en) * | 1996-10-25 | 1999-10-19 | Du Pont | Process for producing an aromatic carboxylic acid and improved liquid-solid separation unit |
US7420082B2 (en) * | 2006-03-01 | 2008-09-02 | Eastman Chemical Company | Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion |
US10000435B1 (en) * | 2017-02-28 | 2018-06-19 | Grupo Petrotemex, S.A. De C.V. | Energy and environmentally integrated method for production of aromatic dicarboxylic acids by oxidation |
-
1970
- 1970-12-25 JP JP11745870A patent/JPS5414098B1/ja active Pending
-
1971
- 1971-12-15 ZA ZA718409A patent/ZA718409B/en unknown
- 1971-12-21 FI FI3635/71A patent/FI53812C/en active
- 1971-12-22 IT IT32790/71A patent/IT944263B/en active
- 1971-12-22 PL PL1971152409A patent/PL83083B1/pl unknown
- 1971-12-23 HU HUMI471A patent/HU167340B/hu unknown
- 1971-12-24 BG BG019327A patent/BG19792A3/en unknown
- 1971-12-24 CH CH1891771A patent/CH559714A5/xx not_active IP Right Cessation
- 1971-12-25 RO RO69190A patent/RO61356A/ro unknown
- 1971-12-27 FR FR7146796A patent/FR2119762A5/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2119762A5 (en) | 1972-08-04 |
BG19792A3 (en) | 1975-10-10 |
FI53812C (en) | 1978-08-10 |
ZA718409B (en) | 1972-09-27 |
FI53812B (en) | 1978-05-02 |
RO61356A (en) | 1977-01-15 |
PL83083B1 (en) | 1975-12-31 |
CH559714A5 (en) | 1975-03-14 |
JPS5414098B1 (en) | 1979-06-05 |
HU167340B (en) | 1975-09-27 |
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