BR0014015B1 - processo para recuperar uma nitrila. - Google Patents

processo para recuperar uma nitrila.

Info

Publication number
BR0014015B1
BR0014015B1 BRPI0014015-5A BR0014015A BR0014015B1 BR 0014015 B1 BR0014015 B1 BR 0014015B1 BR 0014015 A BR0014015 A BR 0014015A BR 0014015 B1 BR0014015 B1 BR 0014015B1
Authority
BR
Brazil
Prior art keywords
nitrile
recover
Prior art date
Application number
BRPI0014015-5A
Other languages
English (en)
Other versions
BR0014015A (pt
Inventor
Janet Marie Rogers
William Randolph Leyendecker
Robert Clifford Blackstone
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 BR0014015A publication Critical patent/BR0014015A/pt
Publication of BR0014015B1 publication Critical patent/BR0014015B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BRPI0014015-5A 1999-09-09 2000-03-02 processo para recuperar uma nitrila. BR0014015B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/392,804 US6084121A (en) 1999-09-09 1999-09-09 Nitrile process
PCT/US2000/005602 WO2001017950A1 (en) 1999-09-09 2000-03-02 Treatment of nitriles with glycolic acid

Publications (2)

Publication Number Publication Date
BR0014015A BR0014015A (pt) 2002-05-21
BR0014015B1 true BR0014015B1 (pt) 2011-03-22

Family

ID=23552061

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0014015-5A BR0014015B1 (pt) 1999-09-09 2000-03-02 processo para recuperar uma nitrila.

Country Status (10)

Country Link
US (1) US6084121A (pt)
EP (1) EP1210323B1 (pt)
JP (1) JP4551044B2 (pt)
CN (1) CN1183104C (pt)
BR (1) BR0014015B1 (pt)
DE (1) DE60014405T2 (pt)
ES (1) ES2226809T3 (pt)
TW (1) TWI279399B (pt)
WO (1) WO2001017950A1 (pt)
ZA (1) ZA200201513B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6355828B1 (en) * 2000-11-10 2002-03-12 E. I. Du Pont De Nemours And Company Nitrile process
US6984749B2 (en) * 2002-12-04 2006-01-10 Bp Corporation North America Inc. Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles
US8585870B2 (en) * 2008-03-05 2013-11-19 E I Du Pont De Nemours And Company Process to C-manufacture acrylonitrile and hydrogen cyanide
JP5344741B2 (ja) * 2008-08-01 2013-11-20 旭化成ケミカルズ株式会社 アクリロニトリルの精製方法
US11028045B2 (en) 2016-05-02 2021-06-08 Inv Nylon Chemicals Americas, Llc Process for reducing CPI in a dinitrile stream

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL273600A (pt) * 1956-05-23
US3049408A (en) * 1960-05-12 1962-08-14 Monsanto Chemicals Stabilization of hydrogen cyanide
US3936360A (en) * 1971-04-07 1976-02-03 The Standard Oil Company Process for distillation and recovery of olefinic nitriles
US3734943A (en) * 1971-05-06 1973-05-22 Standard Oil Co Deep well disposal process for acrylonitrile process waste water
US4238295A (en) * 1978-12-04 1980-12-09 Standard Oil Company Energy efficient recovery of acrylonitrile
US4269667A (en) * 1979-08-02 1981-05-26 Standard Oil Company Acrylonitrile purification by extractive distillation
US4981670A (en) * 1989-12-15 1991-01-01 Bp America Inc. HCN from crude aceto
ATE202336T1 (de) * 1996-10-23 2001-07-15 Solutia Inc Verfahren zur reinigung von acrylnitril

Also Published As

Publication number Publication date
DE60014405D1 (de) 2004-11-04
TWI279399B (en) 2007-04-21
US6084121A (en) 2000-07-04
EP1210323B1 (en) 2004-09-29
ZA200201513B (en) 2003-05-28
WO2001017950A1 (en) 2001-03-15
EP1210323A1 (en) 2002-06-05
JP2003508510A (ja) 2003-03-04
JP4551044B2 (ja) 2010-09-22
CN1373748A (zh) 2002-10-09
DE60014405T2 (de) 2005-12-29
BR0014015A (pt) 2002-05-21
CN1183104C (zh) 2005-01-05
ES2226809T3 (es) 2005-04-01

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 3A ANUIDADE

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

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1942 DE 25/03/2008 POR TER SIDO APRESENTADO PROTOCOLO 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 22/03/2011, 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)