DE69739873D1 - Verfahren zur Herstellung von P-HYDROXYBENZOESÄURE - Google Patents

Verfahren zur Herstellung von P-HYDROXYBENZOESÄURE

Info

Publication number
DE69739873D1
DE69739873D1 DE69739873T DE69739873T DE69739873D1 DE 69739873 D1 DE69739873 D1 DE 69739873D1 DE 69739873 T DE69739873 T DE 69739873T DE 69739873 T DE69739873 T DE 69739873T DE 69739873 D1 DE69739873 D1 DE 69739873D1
Authority
DE
Germany
Prior art keywords
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 - Lifetime
Application number
DE69739873T
Other languages
English (en)
Inventor
Joel David Citron
Michael Robert Samuels
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69739873D1 publication Critical patent/DE69739873D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/14—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects using gases or vapours other than air or steam, e.g. inert gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Urology & Nephrology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
DE69739873T 1996-04-08 1997-04-07 Verfahren zur Herstellung von P-HYDROXYBENZOESÄURE Expired - Lifetime DE69739873D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1499896P 1996-04-08 1996-04-08
US08/832,739 US5928485A (en) 1996-04-08 1997-04-04 Process for isolation of dicarboxylic acids and hydroxycarboxylic acids

Publications (1)

Publication Number Publication Date
DE69739873D1 true DE69739873D1 (de) 2010-06-17

Family

ID=26686815

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69739873T Expired - Lifetime DE69739873D1 (de) 1996-04-08 1997-04-07 Verfahren zur Herstellung von P-HYDROXYBENZOESÄURE
DE69718165T Expired - Lifetime DE69718165T2 (de) 1996-04-08 1997-04-07 Verfahren zur isolierung von dicarbonsäuren und hydroxycarbonsäuren

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69718165T Expired - Lifetime DE69718165T2 (de) 1996-04-08 1997-04-07 Verfahren zur isolierung von dicarbonsäuren und hydroxycarbonsäuren

Country Status (6)

Country Link
US (2) US5928485A (de)
EP (1) EP0900122B1 (de)
JP (2) JP4249260B2 (de)
DE (2) DE69739873D1 (de)
SG (1) SG85134A1 (de)
WO (1) WO1997037751A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5928485A (en) * 1996-04-08 1999-07-27 E. I. Du Pont De Nemours And Company Process for isolation of dicarboxylic acids and hydroxycarboxylic acids
CA2335803A1 (en) * 1998-07-07 2000-01-13 Ronald M. Yabroff A process for the isolation of aromatic hydroxycarboxylic acids
FR2926027A1 (fr) * 2008-01-07 2009-07-10 Solvay Procede de production de bicarbonate de sodium, pour desulfuration de fumees.
CZ2008602A3 (cs) * 2008-10-09 2009-11-25 Ústav chemických procesu Akademie ved Ceské republiky Zpusob a zarízení pro izolaci kyseliny tereftalové

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH451197A (de) * 1964-08-06 1968-05-15 Inventa Ag Verfahren zur Herstellung von p-Hydroxy-benzoesäure
US3530174A (en) * 1966-10-05 1970-09-22 Tenneco Chem Purification of organic acids
US4093528A (en) * 1977-03-10 1978-06-06 Suntech, Inc. Terephthalic acid process
DE3542861A1 (de) * 1985-12-04 1987-06-11 Huels Chemische Werke Ag Verfahren zur gewinnung von l-aepfelsaeure
JPS643149A (en) * 1987-06-24 1989-01-06 Idemitsu Petrochem Co Ltd Production of hydroxybenzoic acid
JPS649954A (en) * 1987-07-03 1989-01-13 Idemitsu Petrochemical Co Production of hydroxybenzoic acid
US5268079A (en) * 1990-01-18 1993-12-07 Monsanto Company Process for the isolation and purification of free acids, starting from their salts, by electrodialysis
HUT58558A (en) * 1990-01-18 1992-03-30 Ercros Sa Process for isolating and purifying acids from their salts by electrodialysis
DE4219758A1 (de) * 1992-06-17 1993-12-23 Basf Ag Verfahren zur elektrochemischen Herstellung von Dicarbonsäuren
DE19542287A1 (de) * 1995-11-14 1997-05-15 Suedzucker Ag Verfahren zur Herstellung von di- und höheroxidierten Carbonsäuren von Kohlenhydraten, Kohlenhydratderivaten oder primären Alkoholen
US5928485A (en) * 1996-04-08 1999-07-27 E. I. Du Pont De Nemours And Company Process for isolation of dicarboxylic acids and hydroxycarboxylic acids

Also Published As

Publication number Publication date
JP5199840B2 (ja) 2013-05-15
SG85134A1 (en) 2001-12-19
EP0900122B1 (de) 2003-01-02
WO1997037751A1 (en) 1997-10-16
JP2009079065A (ja) 2009-04-16
US6444108B1 (en) 2002-09-03
DE69718165D1 (de) 2003-02-06
JP4249260B2 (ja) 2009-04-02
US5928485A (en) 1999-07-27
EP0900122A1 (de) 1999-03-10
JP2002502305A (ja) 2002-01-22
DE69718165T2 (de) 2003-11-13

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Legal Events

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8364 No opposition during term of opposition