DE3009946C2 - Verfahren zur Gewinnung von Methacrylsäure - Google Patents

Verfahren zur Gewinnung von Methacrylsäure

Info

Publication number
DE3009946C2
DE3009946C2 DE3009946A DE3009946A DE3009946C2 DE 3009946 C2 DE3009946 C2 DE 3009946C2 DE 3009946 A DE3009946 A DE 3009946A DE 3009946 A DE3009946 A DE 3009946A DE 3009946 C2 DE3009946 C2 DE 3009946C2
Authority
DE
Germany
Prior art keywords
methacrylic acid
solvent
column
water
methacrolein
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
Application number
DE3009946A
Other languages
German (de)
English (en)
Other versions
DE3009946A1 (de
Inventor
Mitchell Teaneck N.J. Becker
Nand Kumar Bronx N.J. Kochar
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.)
Halcon Research and Development Corp
Original Assignee
Halcon Research and Development Corp
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 Halcon Research and Development Corp filed Critical Halcon Research and Development Corp
Publication of DE3009946A1 publication Critical patent/DE3009946A1/de
Application granted granted Critical
Publication of DE3009946C2 publication Critical patent/DE3009946C2/de
Expired legal-status Critical Current

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
    • C07C51/48Separation; 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE3009946A 1979-03-15 1980-03-14 Verfahren zur Gewinnung von Methacrylsäure Expired DE3009946C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2056379A 1979-03-15 1979-03-15

Publications (2)

Publication Number Publication Date
DE3009946A1 DE3009946A1 (de) 1980-09-25
DE3009946C2 true DE3009946C2 (de) 1983-10-20

Family

ID=21799306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3009946A Expired DE3009946C2 (de) 1979-03-15 1980-03-14 Verfahren zur Gewinnung von Methacrylsäure

Country Status (9)

Country Link
JP (1) JPS55127339A (enrdf_load_stackoverflow)
AR (1) AR223209A1 (enrdf_load_stackoverflow)
BE (1) BE882229A (enrdf_load_stackoverflow)
BR (1) BR8001520A (enrdf_load_stackoverflow)
DE (1) DE3009946C2 (enrdf_load_stackoverflow)
FR (1) FR2451360A1 (enrdf_load_stackoverflow)
GB (1) GB2045759B (enrdf_load_stackoverflow)
IT (1) IT1147076B (enrdf_load_stackoverflow)
NL (1) NL8001385A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104034A (ja) * 1983-11-11 1985-06-08 Nippon Kayaku Co Ltd メタクリル酸の回収法
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation
DE3721865A1 (de) * 1987-07-02 1989-01-12 Basf Ag Verfahren zur herstellung von methacrylsaeure
DE19709471A1 (de) * 1997-03-07 1998-09-10 Basf Ag Verfahren zur Herstellung von (Meth)acrylsäure
JP4056429B2 (ja) * 2003-06-05 2008-03-05 株式会社日本触媒 (メタ)アクリル酸の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127018B1 (enrdf_load_stackoverflow) * 1971-02-15 1974-04-05 Sumitomo Chemical Co
JPS4828414A (enrdf_load_stackoverflow) * 1971-08-13 1973-04-14
JPS4862712A (enrdf_load_stackoverflow) * 1971-12-07 1973-09-01
FR2165108A5 (en) * 1971-12-17 1973-08-03 Sumitomo Chemical Co Extraction of acrylic and/or methacrylic acid - from soln, using a methylethyl ketone/benzene extractant mixture
JPS5534784B2 (enrdf_load_stackoverflow) * 1972-05-23 1980-09-09
JPS5148609A (ja) * 1974-10-23 1976-04-26 Asahi Glass Co Ltd Nidansankanyoruisopuchirenkarano metaku
JPS5371011A (en) * 1976-12-07 1978-06-24 Sumitomo Chem Co Ltd Extraction of methacrylic acid

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
GB2045759B (en) 1983-07-06
GB2045759A (en) 1980-11-05
JPS55127339A (en) 1980-10-02
DE3009946A1 (de) 1980-09-25
AR223209A1 (es) 1981-07-31
JPS6348857B2 (enrdf_load_stackoverflow) 1988-09-30
FR2451360A1 (fr) 1980-10-10
IT8048160A0 (it) 1980-03-14
BR8001520A (pt) 1980-11-11
BE882229A (fr) 1980-09-15
IT1147076B (it) 1986-11-19
NL8001385A (nl) 1980-09-17

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Legal Events

Date Code Title Description
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: SPOTT, G., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800

8125 Change of the main classification

Ipc: C07C 57/07

8126 Change of the secondary classification

Ipc: C07C 51/235

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee