BR0107822B1 - processo para a obtenção de ácido fórmico anidro ou substancialmente anidro, uso de uma carboxamida, e, aparelho para realizar um processo. - Google Patents

processo para a obtenção de ácido fórmico anidro ou substancialmente anidro, uso de uma carboxamida, e, aparelho para realizar um processo. Download PDF

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Publication number
BR0107822B1
BR0107822B1 BRPI0107822-4A BR0107822A BR0107822B1 BR 0107822 B1 BR0107822 B1 BR 0107822B1 BR 0107822 A BR0107822 A BR 0107822A BR 0107822 B1 BR0107822 B1 BR 0107822B1
Authority
BR
Brazil
Prior art keywords
extractor
distillation
formic acid
distillation device
hydrolysis
Prior art date
Application number
BRPI0107822-4A
Other languages
English (en)
Portuguese (pt)
Other versions
BR0107822A (pt
Inventor
Heinz Auer
Bernd Bessling
Hans Hammer
Hans Hasse
Friedrich Sauer
Maximilian Vicari
Gerhard Wagner
Till Adrian
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 BR0107822A publication Critical patent/BR0107822A/pt
Publication of BR0107822B1 publication Critical patent/BR0107822B1/pt

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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
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
BRPI0107822-4A 2000-01-24 2001-01-24 processo para a obtenção de ácido fórmico anidro ou substancialmente anidro, uso de uma carboxamida, e, aparelho para realizar um processo. BR0107822B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE100027938 2000-01-24
DE10002793A DE10002793A1 (de) 2000-01-24 2000-01-24 Verwendung eines Extraktionsmittels bei der Herstellung von wasserfreier Ameisensäure
PCT/EP2001/000749 WO2001055071A1 (de) 2000-01-24 2001-01-24 Verwendung eines extraktionsmittels als antischaummittel bei der herstellung von wasserfreier ameisensäure

Publications (2)

Publication Number Publication Date
BR0107822A BR0107822A (pt) 2002-10-29
BR0107822B1 true BR0107822B1 (pt) 2011-07-12

Family

ID=7628464

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0107822-4A BR0107822B1 (pt) 2000-01-24 2001-01-24 processo para a obtenção de ácido fórmico anidro ou substancialmente anidro, uso de uma carboxamida, e, aparelho para realizar um processo.

Country Status (12)

Country Link
US (1) US6838579B2 (enExample)
EP (1) EP1250307B1 (enExample)
JP (1) JP4746242B2 (enExample)
KR (1) KR100771709B1 (enExample)
CN (1) CN1271033C (enExample)
AT (1) ATE396167T1 (enExample)
AU (1) AU2001228487A1 (enExample)
BR (1) BR0107822B1 (enExample)
DE (2) DE10002793A1 (enExample)
MY (1) MY136296A (enExample)
NO (1) NO327829B1 (enExample)
WO (1) WO2001055071A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002348713A1 (en) 2002-06-26 2004-01-19 Dorf Ketal Chemicals India Pvt. Ltd. Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
US7906012B2 (en) * 2002-07-16 2011-03-15 Dorf Ketal Chemicals India Pvt. Ltd. Method for reducing foam in a primary fractionator
DE102011075777A1 (de) * 2011-05-13 2012-11-15 Evonik Degussa Gmbh Verfahren zur Herstellung von Isophoron in Gegenwart mindestens eines Entschäumers in der Abwasserkolonne im Aufarbeitungsteil
CN109234530B (zh) * 2018-09-11 2023-12-08 福建紫金选矿药剂有限公司 一种高性能萃取稀释剂
CN115353450A (zh) * 2022-09-26 2022-11-18 河北康壮环保科技股份有限公司 一种稀甲酸浓缩的工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2545658C2 (de) * 1975-10-11 1985-12-19 Basf Ag, 6700 Ludwigshafen Verfahren zur Gewinnung von Carbonsäuren aus ihren wäßrigen Lösungen
DE2914671A1 (de) 1979-04-11 1980-10-23 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
DE3319651A1 (de) * 1983-05-31 1984-12-06 Basf Ag, 6700 Ludwigshafen Verfahren zur destillativen gewinnung von ameisensaeure
DE3411384A1 (de) * 1984-03-28 1985-10-10 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure durch hydrolyse von methylformiat

Also Published As

Publication number Publication date
KR20020070350A (ko) 2002-09-05
ATE396167T1 (de) 2008-06-15
NO20023513D0 (no) 2002-07-23
DE50113988D1 (de) 2008-07-03
KR100771709B1 (ko) 2007-10-30
JP2003520834A (ja) 2003-07-08
MY136296A (en) 2008-09-30
WO2001055071A1 (de) 2001-08-02
CN1271033C (zh) 2006-08-23
NO327829B1 (no) 2009-10-05
US20030009057A1 (en) 2003-01-09
AU2001228487A1 (en) 2001-08-07
BR0107822A (pt) 2002-10-29
US6838579B2 (en) 2005-01-04
CN1395553A (zh) 2003-02-05
EP1250307B1 (de) 2008-05-21
NO20023513L (no) 2002-08-26
DE10002793A1 (de) 2001-07-26
EP1250307A1 (de) 2002-10-23
JP4746242B2 (ja) 2011-08-10

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Legal Events

Date Code Title Description
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 12/07/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2498 DE 21-11-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.