GB1583466A - Electrochemical manufacture of p-hydroxymethylbenzoic acid - Google Patents

Electrochemical manufacture of p-hydroxymethylbenzoic acid Download PDF

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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
Application number
GB39270/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of GB1583466A publication Critical patent/GB1583466A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/367Preparation 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
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00Electrolytic production of organic compounds
    • C25B3/20Processes
    • C25B3/25Reduction
GB39270/77A 1976-09-22 1977-09-21 Electrochemical manufacture of p-hydroxymethylbenzoic acid Expired GB1583466A (en)

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 (de)
FR (1) FR2365548A1 (de)
GB (1) GB1583466A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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 (de) * 1981-12-10 1985-10-09 Amoco Corporation Verfahren zur elektrochemischen Reduktion von Terephthalsäure
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

Also Published As

Publication number Publication date
DE2642496C2 (de) 1984-04-19
DE2642496A1 (de) 1978-03-23
FR2365548B3 (de) 1980-06-06
FR2365548A1 (fr) 1978-04-21

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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