IT1147076B - PROCESS FOR RECOVERING METHACRYLIC ACID - Google Patents
PROCESS FOR RECOVERING METHACRYLIC ACIDInfo
- Publication number
- IT1147076B IT1147076B IT48160/80A IT4816080A IT1147076B IT 1147076 B IT1147076 B IT 1147076B IT 48160/80 A IT48160/80 A IT 48160/80A IT 4816080 A IT4816080 A IT 4816080A IT 1147076 B IT1147076 B IT 1147076B
- Authority
- IT
- Italy
- Prior art keywords
- methacrylic acid
- recovering methacrylic
- recovering
- acid
- methacrylic
- Prior art date
Links
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 title 1
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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2056379A | 1979-03-15 | 1979-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8048160A0 IT8048160A0 (en) | 1980-03-14 |
IT1147076B true IT1147076B (en) | 1986-11-19 |
Family
ID=21799306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48160/80A IT1147076B (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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1350736A (en) * | 1971-02-15 | 1974-04-24 | Sumitomo Chemical Co | Process for production of acrylic acid and methacrylic acid |
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 |
-
1980
- 1980-03-07 NL NL8001385A patent/NL8001385A/en not_active Application Discontinuation
- 1980-03-14 DE DE3009946A patent/DE3009946C2/en not_active Expired
- 1980-03-14 FR FR8005797A patent/FR2451360A1/en not_active Withdrawn
- 1980-03-14 IT IT48160/80A patent/IT1147076B/en active
- 1980-03-14 GB GB8008694A patent/GB2045759B/en not_active Expired
- 1980-03-14 BR BR8001520A patent/BR8001520A/en unknown
- 1980-03-14 BE BE0/199798A patent/BE882229A/en not_active IP Right Cessation
- 1980-03-14 AR AR280322A patent/AR223209A1/en active
- 1980-03-15 JP JP3332580A patent/JPS55127339A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2451360A1 (en) | 1980-10-10 |
DE3009946C2 (en) | 1983-10-20 |
JPS6348857B2 (en) | 1988-09-30 |
BR8001520A (en) | 1980-11-11 |
BE882229A (en) | 1980-09-15 |
GB2045759B (en) | 1983-07-06 |
DE3009946A1 (en) | 1980-09-25 |
NL8001385A (en) | 1980-09-17 |
GB2045759A (en) | 1980-11-05 |
IT8048160A0 (en) | 1980-03-14 |
JPS55127339A (en) | 1980-10-02 |
AR223209A1 (en) | 1981-07-31 |
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