GB1583466A - Electrochemical manufacture of p-hydroxymethylbenzoic acid - Google Patents
Electrochemical manufacture of p-hydroxymethylbenzoic acid Download PDFInfo
- Publication number
- GB1583466A GB1583466A GB39270/77A GB3927077A GB1583466A GB 1583466 A GB1583466 A GB 1583466A GB 39270/77 A GB39270/77 A GB 39270/77A GB 3927077 A GB3927077 A GB 3927077A GB 1583466 A GB1583466 A GB 1583466A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- solution
- terephthalic acid
- ammonia
- per cent
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2642496A DE2642496C2 (de) | 1976-09-22 | 1976-09-22 | Verfahren zur Herstellung von p-Hydroxymethylbenzoesäure |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1583466A true GB1583466A (en) | 1981-01-28 |
Family
ID=5988479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB39270/77A Expired GB1583466A (en) | 1976-09-22 | 1977-09-21 | Electrochemical manufacture of p-hydroxymethylbenzoic acid |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2642496C2 (fr) |
FR (1) | FR2365548A1 (fr) |
GB (1) | GB1583466A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4381229A (en) * | 1980-10-27 | 1983-04-26 | Standard Oil Company (Indiana) | Process for electrochemical reduction of terephthalic acid |
EP0081611B1 (fr) * | 1981-12-10 | 1985-10-09 | Amoco Corporation | Procédé pour la reduction électrochimique d'acide téréphtalique |
US4402805A (en) * | 1982-03-15 | 1983-09-06 | Standard Oil Company Indiana | Electrochemical process to prepare p-hydroxymethylbenzoic acid with a low level of 4-CBA |
-
1976
- 1976-09-22 DE DE2642496A patent/DE2642496C2/de not_active Expired
-
1977
- 1977-09-08 FR FR7727171A patent/FR2365548A1/fr active Granted
- 1977-09-21 GB GB39270/77A patent/GB1583466A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2365548A1 (fr) | 1978-04-21 |
DE2642496C2 (de) | 1984-04-19 |
DE2642496A1 (de) | 1978-03-23 |
FR2365548B3 (fr) | 1980-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920921 |