DE68916768D1 - Verfahren zur Herstellung von para-Hydroxybenzoesäure. - Google Patents

Verfahren zur Herstellung von para-Hydroxybenzoesäure.

Info

Publication number
DE68916768D1
DE68916768D1 DE68916768T DE68916768T DE68916768D1 DE 68916768 D1 DE68916768 D1 DE 68916768D1 DE 68916768 T DE68916768 T DE 68916768T DE 68916768 T DE68916768 T DE 68916768T DE 68916768 D1 DE68916768 D1 DE 68916768D1
Authority
DE
Germany
Prior art keywords
para
preparation
hydroxybenzoic acid
hydroxybenzoic
acid
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 - Fee Related
Application number
DE68916768T
Other languages
English (en)
Other versions
DE68916768T2 (de
Inventor
Toshinobu C O Technical Suzuki
Makiko C O Technical Res Ijiri
Hitoshi C O Technical Re Saima
Tadahiro C O Technical R Wakui
Tokio C O Technical Res Iizuka
Akinori C O Technical Matsuura
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Application granted granted Critical
Publication of DE68916768D1 publication Critical patent/DE68916768D1/de
Publication of DE68916768T2 publication Critical patent/DE68916768T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE68916768T 1988-12-14 1989-12-13 Verfahren zur Herstellung von para-Hydroxybenzoesäure. Expired - Fee Related DE68916768T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP31537088 1988-12-14
JP31536888 1988-12-14
JP31537188 1988-12-14
JP31536988 1988-12-14
JP1272389 1989-01-20
JP9698989 1989-04-17
JP9698889 1989-04-17
JP9698789 1989-04-17
JP28395089 1989-10-31

Publications (2)

Publication Number Publication Date
DE68916768D1 true DE68916768D1 (de) 1994-08-18
DE68916768T2 DE68916768T2 (de) 1994-11-10

Family

ID=27576631

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916768T Expired - Fee Related DE68916768T2 (de) 1988-12-14 1989-12-13 Verfahren zur Herstellung von para-Hydroxybenzoesäure.

Country Status (4)

Country Link
US (1) US5124477A (de)
EP (1) EP0373619B1 (de)
CA (1) CA2005320C (de)
DE (1) DE68916768T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0731614B1 (de) * 1995-03-10 2002-02-06 Kabushiki Kaisha Toshiba Bildkodierungs-/-dekodierungsvorrichtung
FI991006A (fi) * 1999-05-03 2000-11-04 Optatech Oy Uudet nestekiteiset polymeerit
EP1212275B1 (de) * 1999-08-30 2005-02-23 Mossi & Ghisolfi International S.A. Ein verfahren zur herstellung von disäuren durch carboxylierung von phenolverbindungen
CN1234749C (zh) * 2000-04-20 2006-01-04 株式会社上野制药应用研究所 液晶聚酯树脂

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL191708A (de) * 1953-10-23
US4034006A (en) * 1971-09-28 1977-07-05 Ciba-Geigy Corporation Process for the manufacture of alkali salts of 3,5-disubstituted 4-hydroxybenzoic acids and their free acids
IT1034702B (it) * 1975-03-28 1979-10-10 Montedison Spa Processo per la carbossilazione di substrati organici con anidri de carbonica.
DE3210597A1 (de) * 1982-03-23 1983-10-06 Bayer Ag Verfahren zur herstellung von aromatischen hydroxycarbonsaeuren
DE3210599A1 (de) * 1982-03-23 1983-10-06 Bayer Ag Verfahren zur herstellung von aromatischen hydroxycarbonsaeuren
IL69282A (en) * 1982-09-02 1988-06-30 Euro Celtique Sa Method for the carboxylation of potassium phenoxide with carbon dioxide
JPS61115053A (ja) * 1984-11-09 1986-06-02 Ueno Seiyaku Oyo Kenkyusho:Kk 芳香族ヒドロキシカルボン酸の製造法
EP0338088B1 (de) * 1987-10-16 1993-12-15 Kawasaki Steel Corporation Verfahren zur herstellung von p-hydroxybenzoesäure

Also Published As

Publication number Publication date
CA2005320C (en) 1999-01-26
EP0373619A3 (de) 1991-11-06
EP0373619B1 (de) 1994-07-13
DE68916768T2 (de) 1994-11-10
CA2005320A1 (en) 1990-06-14
US5124477A (en) 1992-06-23
EP0373619A2 (de) 1990-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee