BR9914248B1 - processo para purificação de alcanoato de alquila. - Google Patents

processo para purificação de alcanoato de alquila.

Info

Publication number
BR9914248B1
BR9914248B1 BRPI9914248-1A BR9914248A BR9914248B1 BR 9914248 B1 BR9914248 B1 BR 9914248B1 BR 9914248 A BR9914248 A BR 9914248A BR 9914248 B1 BR9914248 B1 BR 9914248B1
Authority
BR
Brazil
Prior art keywords
alkyl alkanoate
purifying alkyl
purifying
alkanoate
alkyl
Prior art date
Application number
BRPI9914248-1A
Other languages
English (en)
Other versions
BR9914248A (pt
Inventor
Stephen William Colley
Norman Harris
Colin Rathmell
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 filed Critical
Publication of BR9914248A publication Critical patent/BR9914248A/pt
Publication of BR9914248B1 publication Critical patent/BR9914248B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BRPI9914248-1A 1998-10-01 1999-09-29 processo para purificação de alcanoato de alquila. BR9914248B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98308013A EP0992484A1 (en) 1998-10-01 1998-10-01 Process
PCT/GB1999/003228 WO2000020374A1 (en) 1998-10-01 1999-09-29 Process for purification of alkyl alkanoate

Publications (2)

Publication Number Publication Date
BR9914248A BR9914248A (pt) 2001-12-04
BR9914248B1 true BR9914248B1 (pt) 2010-09-21

Family

ID=8235087

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9914248-1A BR9914248B1 (pt) 1998-10-01 1999-09-29 processo para purificação de alcanoato de alquila.

Country Status (12)

Country Link
US (1) US6632330B1 (pt)
EP (2) EP0992484A1 (pt)
JP (1) JP4889859B2 (pt)
KR (1) KR100581371B1 (pt)
AU (1) AU6107199A (pt)
BR (1) BR9914248B1 (pt)
CA (1) CA2345983C (pt)
ES (1) ES2276533T3 (pt)
GB (1) GB2357503B (pt)
TW (1) TWI239951B (pt)
WO (1) WO2000020374A1 (pt)
ZA (1) ZA200102081B (pt)

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Also Published As

Publication number Publication date
US6632330B1 (en) 2003-10-14
AU6107199A (en) 2000-04-26
EP1117630A1 (en) 2001-07-25
KR20010075477A (ko) 2001-08-09
CA2345983C (en) 2008-01-29
EP0992484A1 (en) 2000-04-12
GB0106309D0 (en) 2001-05-02
JP2002526519A (ja) 2002-08-20
KR100581371B1 (ko) 2006-05-23
TWI239951B (en) 2005-09-21
BR9914248A (pt) 2001-12-04
ES2276533T3 (es) 2007-06-16
EP1117630B1 (en) 2006-11-02
GB2357503A (en) 2001-06-27
CA2345983A1 (en) 2000-04-13
GB2357503B (en) 2003-11-12
WO2000020374A1 (en) 2000-04-13
JP4889859B2 (ja) 2012-03-07
ZA200102081B (en) 2002-08-13

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B08H Application fees: decision cancelled [chapter 8.8 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1849 DE 13/06/2006 POR TER SIDO APRESENTADA PAPELETA DE ESCLARECIMENTO.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 21/09/2010, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)