BRPI0705682B1 - método para produzir ácido metacrílico - Google Patents

método para produzir ácido metacrílico Download PDF

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Publication number
BRPI0705682B1
BRPI0705682B1 BRPI0705682A BRPI0705682A BRPI0705682B1 BR PI0705682 B1 BRPI0705682 B1 BR PI0705682B1 BR PI0705682 A BRPI0705682 A BR PI0705682A BR PI0705682 A BRPI0705682 A BR PI0705682A BR PI0705682 B1 BRPI0705682 B1 BR PI0705682B1
Authority
BR
Brazil
Prior art keywords
acrylic acid
meth
water
solution
containing solution
Prior art date
Application number
BRPI0705682A
Other languages
English (en)
Portuguese (pt)
Inventor
Satoshi Nakagawa
Original Assignee
Nippon Catalytic Chem Ind
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 Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BRPI0705682A publication Critical patent/BRPI0705682A/pt
Publication of BRPI0705682B1 publication Critical patent/BRPI0705682B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

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)
BRPI0705682A 2006-09-20 2007-09-19 método para produzir ácido metacrílico BRPI0705682B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006254955A JP4256887B2 (ja) 2006-09-20 2006-09-20 (メタ)アクリル酸の製造方法

Publications (2)

Publication Number Publication Date
BRPI0705682A BRPI0705682A (pt) 2008-06-03
BRPI0705682B1 true BRPI0705682B1 (pt) 2016-11-08

Family

ID=38961750

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0705682A BRPI0705682B1 (pt) 2006-09-20 2007-09-19 método para produzir ácido metacrílico

Country Status (8)

Country Link
US (1) US7714164B2 (OSRAM)
EP (1) EP1903025B1 (OSRAM)
JP (1) JP4256887B2 (OSRAM)
CN (1) CN101148404B (OSRAM)
BR (1) BRPI0705682B1 (OSRAM)
DE (1) DE602007012971D1 (OSRAM)
SA (1) SA07280502B1 (OSRAM)
TW (1) TW200821282A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5606692B2 (ja) * 2009-06-25 2014-10-15 株式会社日本触媒 (メタ)アクリル酸の製造方法
US8680330B2 (en) 2009-02-03 2014-03-25 Nippon Shokubai Co., Ltd. Process for producing (meth) acrylic acid
JP5318602B2 (ja) * 2009-02-03 2013-10-16 株式会社日本触媒 アクリル酸結晶の融解方法
US8592627B2 (en) 2009-05-15 2013-11-26 Nippon Shokubai Co., Ltd. Process for producing (meth)acrylic acid and crystallization system
JP5485584B2 (ja) * 2009-05-15 2014-05-07 株式会社日本触媒 (メタ)アクリル酸の製造方法および晶析システム
JP5485585B2 (ja) * 2009-05-15 2014-05-07 株式会社日本触媒 (メタ)アクリル酸の製造方法
JP5580813B2 (ja) 2009-05-15 2014-08-27 株式会社日本触媒 (メタ)アクリル酸の製造方法
JP5932506B2 (ja) * 2012-06-12 2016-06-08 株式会社日本触媒 (メタ)アクリル酸の製造方法
DE102014114193A1 (de) * 2014-09-30 2015-08-13 Basf Se Verfahren und Anlage zur Rückgewinnung von Acrylsäure

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3659507B2 (ja) 1993-09-13 2005-06-15 月島機械株式会社 アクリル酸の精製方法
JP3948855B2 (ja) * 1999-06-10 2007-07-25 株式会社日本触媒 (メタ)アクリル酸の製造方法
JP4960562B2 (ja) 2000-04-11 2012-06-27 ビーエーエスエフ ソシエタス・ヨーロピア 粗製アクリル酸溶融物の精製法
DE10036881A1 (de) * 2000-07-28 2002-02-07 Basf Ag Verfahren zur Regelung einer Waschkolonne in einem Schmelzkristallisationsprozess und Vorrichtung zur Durchführung des Verfahrens
JP4456730B2 (ja) 2000-06-06 2010-04-28 株式会社日本触媒 (メタ)アクリル酸またはそのエステルの重合防止方法ならびにこれらの製造方法
JP2001348359A (ja) 2000-06-06 2001-12-18 Nippon Shokubai Co Ltd (メタ)アクリル酸およびそのエステルの重合防止方法ならびにこれらの製造方法
JP4601772B2 (ja) 2000-06-06 2010-12-22 株式会社日本触媒 (メタ)アクリル酸およびそのエステルの重合防止方法ならびにこれらの製造方法
JP3908118B2 (ja) * 2002-08-08 2007-04-25 株式会社日本触媒 アクリル酸の製造方法
JP3957298B2 (ja) * 2003-06-05 2007-08-15 株式会社日本触媒 アクリル酸の製造方法
JP3957297B2 (ja) 2003-06-05 2007-08-15 株式会社日本触媒 アクリル酸の製造方法
JP2005015478A (ja) 2003-06-05 2005-01-20 Nippon Shokubai Co Ltd アクリル酸の製造方法
JP2005336110A (ja) * 2004-05-27 2005-12-08 Mitsubishi Chemicals Corp (メタ)アクリル酸および(メタ)アクリル酸エステルの製造方法

Also Published As

Publication number Publication date
TWI354661B (OSRAM) 2011-12-21
CN101148404A (zh) 2008-03-26
CN101148404B (zh) 2012-07-18
JP2008074759A (ja) 2008-04-03
US20080071111A1 (en) 2008-03-20
TW200821282A (en) 2008-05-16
JP4256887B2 (ja) 2009-04-22
EP1903025A1 (en) 2008-03-26
DE602007012971D1 (de) 2011-04-21
EP1903025B1 (en) 2011-03-09
BRPI0705682A (pt) 2008-06-03
SA07280502B1 (ar) 2011-08-20
US7714164B2 (en) 2010-05-11

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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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/09/2007, OBSERVADAS AS CONDICOES LEGAIS.