MX9605220A - Recuperacion de maltol. - Google Patents

Recuperacion de maltol.

Info

Publication number
MX9605220A
MX9605220A MX9605220A MX9605220A MX9605220A MX 9605220 A MX9605220 A MX 9605220A MX 9605220 A MX9605220 A MX 9605220A MX 9605220 A MX9605220 A MX 9605220A MX 9605220 A MX9605220 A MX 9605220A
Authority
MX
Mexico
Prior art keywords
maltol
recovery
mixture
recovered
extraction
Prior art date
Application number
MX9605220A
Other languages
English (en)
Other versions
MXPA96005220A (es
Inventor
Donald B Guzek
D Dickey Kenneth
Russell J Hausman
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of MX9605220A publication Critical patent/MX9605220A/es
Publication of MXPA96005220A publication Critical patent/MXPA96005220A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Unknown Constitution (AREA)

Abstract

Se recupera maltol puro a partir de una mezcla que contiene maltol mediante la extraccion en una solucion acuosa, opcionalmente en presencia de un disolvente sustancialmente insoluble en agua, en el que el maltol de la mezcla es sustancialmente insoluble.
MXPA/A/1996/005220A 1994-04-29 1995-04-03 Recuperacion de maltol MXPA96005220A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US23672394A 1994-04-29 1994-04-29
US236723 1994-04-29
US236,723 1994-04-29
PCT/IB1995/000224 WO1995029908A1 (en) 1994-04-29 1995-04-03 Maltol recovery

Publications (2)

Publication Number Publication Date
MX9605220A true MX9605220A (es) 1997-09-30
MXPA96005220A MXPA96005220A (es) 1998-07-03

Family

ID=

Also Published As

Publication number Publication date
AU1958395A (en) 1995-11-29
WO1995029908A1 (en) 1995-11-09
CA2187935A1 (en) 1995-11-09
AU680742B2 (en) 1997-08-07
US5763626A (en) 1998-06-09
EP0757683A1 (en) 1997-02-12
JPH09505610A (ja) 1997-06-03
JP3007417B2 (ja) 2000-02-07

Similar Documents

Publication Publication Date Title
AU624300B2 (en) Recovery of rare earth elements from sulphurous acid solution by solvent extraction
CA2311200A1 (en) Carbon dioxide recovery from an oxygen containing mixture
GR3035454T3 (en) Hydrogen fluoride recovery process
ES2004642A6 (es) Procedimiento para la recuperacion de recuperacion de germanio de soluciones que lo contienen
EP0372685A3 (en) Process for recovering phenol
JPS5411294A (en) Recovery of protease
MY126792A (en) Process for purifying caprolactam
JPS6414113A (en) Separation of rare earth elements by liquid-liquid extraction
MX9605220A (es) Recuperacion de maltol.
JPS5411293A (en) Recovery of protease
AU4600689A (en) Process for separating copper from aqueous base
MY106385A (en) Process for the separation of yttrium.
JPS53115603A (en) Method for separating and recovering valuable metals from waste molybdenum catalyst
ES437860A1 (es) Un procedimiento para la recuperacion de orto-fenilfenol.
EP0362116A3 (en) Dioxime kinetic enhancer for solvent extraction of gallium from basic aqueous solutions thereof
HU9300506D0 (en) Method for obtaining sennoside a, b as well as a1
AU623443B2 (en) Recovery of metal values from aqueous solutions
KR840002457A (ko) 우라늄회수 공정에서의 산소환원법
ZA864540B (en) Extraction of transition metals from organic solutions
EP0322982A3 (en) Process for recovering alpha-aminoalcohols
JPS5411295A (en) Recovery of protease
JPS5422311A (en) Recovery of n-alkylamide
ES2100787A1 (es) Procedimiento de preparacion de varios compuestos derivados del hexaclorociclotrifosfazeno.
MY133052A (en) Process to separate rhodium from an organic mixture
JPS5277894A (en) Recovery of sulfur

Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees