DK248275A - Fremgangsmade til udvinding af 2-hydroxynaphthalencarboxylsyrer fra omsetningsblandinger af alkalimetalsalte af 2-hydroxynaphthalen og carbondioxid - Google Patents

Fremgangsmade til udvinding af 2-hydroxynaphthalencarboxylsyrer fra omsetningsblandinger af alkalimetalsalte af 2-hydroxynaphthalen og carbondioxid

Info

Publication number
DK248275A
DK248275A DK248275A DK248275A DK248275A DK 248275 A DK248275 A DK 248275A DK 248275 A DK248275 A DK 248275A DK 248275 A DK248275 A DK 248275A DK 248275 A DK248275 A DK 248275A
Authority
DK
Denmark
Prior art keywords
hydroxynaphthalene
recovery
procedure
carbon dioxide
carboxylic acids
Prior art date
Application number
DK248275A
Other languages
Danish (da)
English (en)
Inventor
W Bachmann
C Gnabs
K Janecka
E Mundlos
T Papenfuhs
G Waese
Original Assignee
Hoechst Ag
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
Priority claimed from DE19742426852 external-priority patent/DE2426852C3/de
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of DK248275A publication Critical patent/DK248275A/da

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK248275A 1974-06-04 1975-06-03 Fremgangsmade til udvinding af 2-hydroxynaphthalencarboxylsyrer fra omsetningsblandinger af alkalimetalsalte af 2-hydroxynaphthalen og carbondioxid DK248275A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742426852 DE2426852C3 (de) 1974-06-04 Verfahren zur Gewinnung von 2-Hydroxynaphthalincarbonsäuren aus den Umsetzungsgemischen der Alkalisalze des 2-Hydroxynaphthalins mit Kohlendioxid

Publications (1)

Publication Number Publication Date
DK248275A true DK248275A (da) 1975-12-05

Family

ID=5917242

Family Applications (1)

Application Number Title Priority Date Filing Date
DK248275A DK248275A (da) 1974-06-04 1975-06-03 Fremgangsmade til udvinding af 2-hydroxynaphthalencarboxylsyrer fra omsetningsblandinger af alkalimetalsalte af 2-hydroxynaphthalen og carbondioxid

Country Status (10)

Country Link
US (1) US4057576A (it)
JP (1) JPS514153A (it)
BE (1) BE829868A (it)
CH (1) CH599096A5 (it)
DK (1) DK248275A (it)
FR (1) FR2273792A1 (it)
GB (1) GB1507053A (it)
IT (1) IT1038659B (it)
LU (1) LU72627A1 (it)
NL (1) NL7506445A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239913A (en) * 1977-10-25 1980-12-16 Kabushiki Kaisha Veno Seiyaku Oyo Kenkyujo Process for preparing 2-hydroxynaphthalenecarboxylic acids
DE2911667A1 (de) * 1979-03-24 1980-10-02 Hoechst Ag Verfahren zur gewinnung von 2-hydroxynaphthalin-3-carbonsaeure aus den umsetzungsgemischen der alkalisalze des 2-hydroxynaphthalins mit kohlendioxid
DE3307637A1 (de) * 1983-03-04 1984-09-06 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von reinen 1-hydroxy-2-naphtoesaeurealkylestern
JPS61202374U (it) * 1985-06-11 1986-12-19
JPS61202375U (it) * 1985-06-11 1986-12-19
JPS61202376U (it) * 1985-06-11 1986-12-19
JPS62557U (it) * 1985-06-17 1987-01-06
JPS6213861U (it) * 1985-07-11 1987-01-27
JPS6213860U (it) * 1985-07-11 1987-01-27
JPS6213862U (it) * 1985-07-11 1987-01-27
JPS6213859U (it) * 1985-07-11 1987-01-27
DE3800989A1 (de) * 1988-01-15 1989-07-27 Hoechst Ag Verfahren zur reinigung von 2-hydroxy-naphthalin-6-carbonsaeure
US5075496A (en) * 1990-12-14 1991-12-24 Aristech Chemical Corporation Manufacture of 2,6-hydroxynaphthoic acid
JPH10265434A (ja) * 1997-03-21 1998-10-06 Ueno Seiyaku Oyo Kenkyusho:Kk ヒドロキシナフタレンカルボン酸類のアルカリ金属塩の分離精製法
TW527451B (en) * 1999-08-24 2003-04-11 Ueno Seiyaku Oyo Kenkyujo Kk Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same
CN104892406B (zh) * 2015-06-09 2016-08-03 温州泓呈祥科技有限公司 一种2-羟基-3-萘甲酸的工业制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2132356A (en) * 1937-04-29 1938-10-04 Calco Chemical Co Inc Carboxylation of alkali metal salts of phenols
US2534022A (en) * 1948-04-05 1950-12-12 Tewin Ind Inc Manufacture of salts of 2:1-hydroxynaphthoic acid
US2544881A (en) * 1949-09-13 1951-03-13 Du Pont Preparation of anhydrous sodium beta-naphtholate and carbonation thereof
US2807643A (en) * 1953-02-09 1957-09-24 Shell Dev Preparation of aromatic acids and salts thereof
US3228963A (en) * 1961-12-22 1966-01-11 Union Oil Co Process for purification of complex acids
US3405169A (en) * 1965-07-14 1968-10-08 Universal Oil Prod Co Process for the preparation of hydroxy naphthoic acids
US3405170A (en) * 1965-07-14 1968-10-08 Universal Oil Prod Co Process for the preparation of hydroxy naphthoic acids
DE1643537B2 (de) * 1966-08-16 1976-09-16 Toray Industries, Inc., Tokio Verfahren zur herstellung von metallsalzen aromatischer hydroxycarbonsaeuren oder deren freie saeuren

Also Published As

Publication number Publication date
JPS514153A (en) 1976-01-14
NL7506445A (nl) 1975-12-08
FR2273792B1 (it) 1978-10-13
LU72627A1 (it) 1977-03-03
CH599096A5 (it) 1978-05-12
BE829868A (fr) 1975-12-04
IT1038659B (it) 1979-11-30
FR2273792A1 (fr) 1976-01-02
GB1507053A (en) 1978-04-12
US4057576A (en) 1977-11-08
DE2426852B2 (de) 1977-05-18
DE2426852A1 (de) 1976-01-02

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