ES2178199T3 - Proceso mejorado para producir acidos carboxilicos cristalinos y aparato previsto a tal efecto. - Google Patents

Proceso mejorado para producir acidos carboxilicos cristalinos y aparato previsto a tal efecto.

Info

Publication number
ES2178199T3
ES2178199T3 ES98915455T ES98915455T ES2178199T3 ES 2178199 T3 ES2178199 T3 ES 2178199T3 ES 98915455 T ES98915455 T ES 98915455T ES 98915455 T ES98915455 T ES 98915455T ES 2178199 T3 ES2178199 T3 ES 2178199T3
Authority
ES
Spain
Prior art keywords
improved process
effect
carboxylic acids
appliance provided
produce crystalline
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
ES98915455T
Other languages
English (en)
Inventor
Mark Anthony Bristow
Richard Paul Dean
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26311350&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2178199(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9707274.8A external-priority patent/GB9707274D0/en
Priority claimed from GBGB9719123.3A external-priority patent/GB9719123D0/en
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 ES2178199T3 publication Critical patent/ES2178199T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Procedimiento mejorado para la producción de ácido carboxílico aromático purificado en forma de cristales secos que comprende la refrigeración de los cristales en estado fluidizado tras la etapa de secado a una temperatura de 100º C o inferior antes del empaquetamiento y un aparato para llevar a cabo dicho procedimiento.
ES98915455T 1997-04-10 1998-04-08 Proceso mejorado para producir acidos carboxilicos cristalinos y aparato previsto a tal efecto. Expired - Lifetime ES2178199T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9707274.8A GB9707274D0 (en) 1997-04-10 1997-04-10 Packaging of products
GBGB9719123.3A GB9719123D0 (en) 1997-09-10 1997-09-10 Packaging/containerisation of products

Publications (1)

Publication Number Publication Date
ES2178199T3 true ES2178199T3 (es) 2002-12-16

Family

ID=26311350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98915455T Expired - Lifetime ES2178199T3 (es) 1997-04-10 1998-04-08 Proceso mejorado para producir acidos carboxilicos cristalinos y aparato previsto a tal efecto.

Country Status (10)

Country Link
EP (1) EP0973716B1 (es)
KR (1) KR100513188B1 (es)
CN (1) CN1093113C (es)
AU (1) AU6963598A (es)
CA (1) CA2282255C (es)
DE (1) DE69806135T2 (es)
ES (1) ES2178199T3 (es)
TR (1) TR199902598T2 (es)
TW (1) TW467894B (es)
WO (1) WO1998045238A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050288527A1 (en) * 2004-06-28 2005-12-29 Cook William L Method for preparing free-flowing crystalline material
DE102004044586A1 (de) * 2004-09-13 2006-03-30 Coperion Waeschle Gmbh & Co. Kg Vorrichtung zum Temperieren von Schüttgut
AT504996B1 (de) 2007-03-02 2009-03-15 Andritz Tech & Asset Man Gmbh Verfahren und vorrichtung zur trocknung von kristallinen carbonsäuren
DE102009014786A1 (de) 2008-08-18 2010-02-25 Coperion Gmbh Bearbeitungsanlage für Schüttgut
DE102013223437A1 (de) 2013-11-18 2015-05-21 Coperion Gmbh Vorrichtung zum Kühlen oder Heizen von Schüttgütern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7011482A (en) * 1970-08-04 1970-12-28 Terephthalic acid by oxidation of xylene
JPS5811418B2 (ja) * 1978-06-08 1983-03-02 日揮株式会社 テレフタル酸の乾燥方法
US4172209A (en) * 1978-08-23 1979-10-23 Uop Inc. Process for producing dicarboxylic acids by the oxidation of xylene
US5567842A (en) * 1994-11-16 1996-10-22 Mitsubishi Chemical Corporation Process for producing terephthalic acid

Also Published As

Publication number Publication date
KR20010006209A (ko) 2001-01-26
AU6963598A (en) 1998-10-30
CN1093113C (zh) 2002-10-23
CN1252047A (zh) 2000-05-03
EP0973716A1 (en) 2000-01-26
KR100513188B1 (ko) 2005-09-08
DE69806135D1 (de) 2002-07-25
TR199902598T2 (xx) 2000-04-21
CA2282255A1 (en) 1998-10-15
WO1998045238A1 (en) 1998-10-15
EP0973716B1 (en) 2002-06-19
DE69806135T2 (de) 2003-01-30
CA2282255C (en) 2007-12-04
TW467894B (en) 2001-12-11

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