GB2045759B - Process for recovering methacrylic acid - Google Patents

Process for recovering methacrylic acid

Info

Publication number
GB2045759B
GB2045759B GB8008694A GB8008694A GB2045759B GB 2045759 B GB2045759 B GB 2045759B GB 8008694 A GB8008694 A GB 8008694A GB 8008694 A GB8008694 A GB 8008694A GB 2045759 B GB2045759 B GB 2045759B
Authority
GB
United Kingdom
Prior art keywords
methacrylic acid
recovering methacrylic
recovering
acid
methacrylic
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
GB8008694A
Other versions
GB2045759A (en
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 GB2045759A publication Critical patent/GB2045759A/en
Application granted granted Critical
Publication of GB2045759B publication Critical patent/GB2045759B/en
Expired 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
GB8008694A 1979-03-15 1980-03-14 Process for recovering methacrylic acid Expired GB2045759B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2045759A GB2045759A (en) 1980-11-05
GB2045759B true GB2045759B (en) 1983-07-06

Family

ID=21799306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8008694A Expired GB2045759B (en) 1979-03-15 1980-03-14 Process for recovering methacrylic acid

Country Status (9)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104034A (en) * 1983-11-11 1985-06-08 Nippon Kayaku Co Ltd Recovery of methacrylic acid
US4554054A (en) * 1983-12-09 1985-11-19 Rohm And Haas Company Methacrylic acid separation
DE3721865A1 (en) * 1987-07-02 1989-01-12 Basf Ag METHOD FOR PRODUCING METHACRYLIC ACID
DE19709471A1 (en) * 1997-03-07 1998-09-10 Basf Ag Process for the preparation of (meth) acrylic acid
JP4056429B2 (en) * 2003-06-05 2008-03-05 株式会社日本触媒 Method for producing (meth) acrylic acid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127018B1 (en) * 1971-02-15 1974-04-05 Sumitomo Chemical Co
JPS4828414A (en) * 1971-08-13 1973-04-14
JPS4862712A (en) * 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 (en) * 1972-05-23 1980-09-09
JPS5148609A (en) * 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

Also Published As

Publication number Publication date
FR2451360A1 (en) 1980-10-10
AR223209A1 (en) 1981-07-31
GB2045759A (en) 1980-11-05
NL8001385A (en) 1980-09-17
IT1147076B (en) 1986-11-19
JPS6348857B2 (en) 1988-09-30
BE882229A (en) 1980-09-15
BR8001520A (en) 1980-11-11
IT8048160A0 (en) 1980-03-14
DE3009946A1 (en) 1980-09-25
JPS55127339A (en) 1980-10-02
DE3009946C2 (en) 1983-10-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee