IL115564A - Process for the recovery of ascorbic acid from an aqueous feed solution - Google Patents

Process for the recovery of ascorbic acid from an aqueous feed solution

Info

Publication number
IL115564A
IL115564A IL11556495A IL11556495A IL115564A IL 115564 A IL115564 A IL 115564A IL 11556495 A IL11556495 A IL 11556495A IL 11556495 A IL11556495 A IL 11556495A IL 115564 A IL115564 A IL 115564A
Authority
IL
Israel
Prior art keywords
recovery
ascorbic acid
feed solution
aqueous feed
aqueous
Prior art date
Application number
IL11556495A
Other versions
IL115564A0 (en
Inventor
Aharon Eyal
Asher Vitner
Tal Reuvani
Original Assignee
Yissum Res Dev 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 Yissum Res Dev Co filed Critical Yissum Res Dev Co
Priority to IL11556495A priority Critical patent/IL115564A/en
Publication of IL115564A0 publication Critical patent/IL115564A0/en
Priority to PCT/GB1996/002041 priority patent/WO1997013761A1/en
Priority to AU68262/96A priority patent/AU6826296A/en
Publication of IL115564A publication Critical patent/IL115564A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
IL11556495A 1995-10-11 1995-10-11 Process for the recovery of ascorbic acid from an aqueous feed solution IL115564A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL11556495A IL115564A (en) 1995-10-11 1995-10-11 Process for the recovery of ascorbic acid from an aqueous feed solution
PCT/GB1996/002041 WO1997013761A1 (en) 1995-10-11 1996-08-21 A process for the recovery of ascorbic acid
AU68262/96A AU6826296A (en) 1995-10-11 1996-08-21 A process for the recovery of ascorbic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL11556495A IL115564A (en) 1995-10-11 1995-10-11 Process for the recovery of ascorbic acid from an aqueous feed solution

Publications (2)

Publication Number Publication Date
IL115564A0 IL115564A0 (en) 1996-01-19
IL115564A true IL115564A (en) 1999-06-20

Family

ID=11068065

Family Applications (1)

Application Number Title Priority Date Filing Date
IL11556495A IL115564A (en) 1995-10-11 1995-10-11 Process for the recovery of ascorbic acid from an aqueous feed solution

Country Status (3)

Country Link
AU (1) AU6826296A (en)
IL (1) IL115564A (en)
WO (1) WO1997013761A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6610863B2 (en) 2000-12-22 2003-08-26 Eastman Chemical Company Continuous process for producing L-ascorbic acid
EP1368329B1 (en) 2000-12-22 2005-08-31 Eastman Chemical Company Process for producing ascorbic acid in the presence of a sulfit
US6740762B2 (en) 2001-08-24 2004-05-25 Eastman Chemical Company Process for ascorbic acids using alkaline earth silicate catalysts
US6716997B1 (en) 2001-10-09 2004-04-06 Eastman Chemical Company Systems and methods for generation of ascorbic acid with reduced color
EP1800727A1 (en) 2005-12-20 2007-06-27 DSMIP Assets B.V. Process for the treatment of an aqueous mixture comprising a dipolar aprotic compound

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443583A (en) * 1944-07-12 1948-06-15 Hugh H Mottern Manufacture of ascorbic acid
GB760575A (en) * 1953-03-27 1956-11-07 Nat Res Dev Improvements in and relating to the recovery of ascorbic acid
US5068419A (en) * 1986-12-18 1991-11-26 Uop Separation of an organic acid from a fermentation broth with an anionic polymeric adsorbent
US4851573A (en) * 1986-12-18 1989-07-25 Uop Separation of citric acid from fermentation broth with a weakly basic anionic exchange resin adsorbent
ES2018707B3 (en) * 1988-01-11 1991-05-01 Uop (A New York General Partnership) SEPARATION OF CITRIC ACID FROM FERMENTATION BROTH
US5068418A (en) * 1989-05-08 1991-11-26 Uop Separation of lactic acid from fermentation broth with an anionic polymeric absorbent
FR2648136B1 (en) * 1989-06-12 1994-06-17 Rhone Poulenc Sante PROCESS FOR THE PREPARATION OF ASCORBIC ACID
TW265331B (en) * 1991-03-14 1995-12-11 Reilly Ind Inc
EP0603321A1 (en) * 1991-09-13 1994-06-29 Purdue Research Foundation Fermentation process for producing lactic acid
JP3134235B2 (en) * 1991-10-23 2001-02-13 株式会社林原生物化学研究所 Method for producing 2-O-α-D-glucopyranosyl-L-ascorbic acid high content

Also Published As

Publication number Publication date
AU6826296A (en) 1997-04-30
IL115564A0 (en) 1996-01-19
WO1997013761A1 (en) 1997-04-17

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Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees