FR1452566A - Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acid - Google Patents
Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acidInfo
- Publication number
- FR1452566A FR1452566A FR37507A FR37507A FR1452566A FR 1452566 A FR1452566 A FR 1452566A FR 37507 A FR37507 A FR 37507A FR 37507 A FR37507 A FR 37507A FR 1452566 A FR1452566 A FR 1452566A
- Authority
- FR
- France
- Prior art keywords
- acrylic
- aqueous solutions
- improved process
- dilute aqueous
- purified form
- 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
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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR37507A FR1452566A (en) | 1964-11-06 | 1965-11-05 | Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6247964 | 1964-11-06 | ||
FR37507A FR1452566A (en) | 1964-11-06 | 1965-11-05 | Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1452566A true FR1452566A (en) | 1966-02-25 |
Family
ID=26167248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR37507A Expired FR1452566A (en) | 1964-11-06 | 1965-11-05 | Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acid |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1452566A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4879412A (en) * | 1985-03-14 | 1989-11-07 | Mitsui Toatsu Chemicals, Inc. | Purification process of methacrylic acid |
US6555707B1 (en) | 1998-03-31 | 2003-04-29 | Basf Aktiengesellschaft | Method for producing acrylic acid and acrylic acids esters |
-
1965
- 1965-11-05 FR FR37507A patent/FR1452566A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4879412A (en) * | 1985-03-14 | 1989-11-07 | Mitsui Toatsu Chemicals, Inc. | Purification process of methacrylic acid |
US6555707B1 (en) | 1998-03-31 | 2003-04-29 | Basf Aktiengesellschaft | Method for producing acrylic acid and acrylic acids esters |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1248368A (en) | Process for the production of acrylic acid or methacrylic acid | |
FR2275436A1 (en) | PROCESS FOR THE PREPARATION OF ACRYLIC ACID OR METHACRYLIC ACID | |
BE607541A (en) | Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process. | |
RO62385A (en) | PROCESS FOR THE PREPARATION OF PYRIDAZINOTHIONOPHOSPHORIC ACID ESTERS AND PYRIDAZINOTHIONOPHOSPHONIC ACID | |
FR1452566A (en) | Improved process for recovering acrylic and methacrylic esters in purified form from dilute aqueous solutions of acrylic and methacrylic acid | |
FR1448032A (en) | Process for the production of trans-4-aminomethyl-cyclohexane-1-carboxylic acid | |
FR1410678A (en) | Process for the recovery of phosphoric acid starting from aqueous solutions containing nitric acid and phosphoric acid | |
CH410879A (en) | Process for the continuous extraction of hydrofluoric acid from its aqueous solutions | |
FR1383531A (en) | Process for recovering the useful products of the fractions withdrawn in the production of phenol from benzoic acid | |
FR1315258A (en) | Process for the preparation of acrylic acid and for its esterification into methyl acrylate | |
FR1451629A (en) | Process for removing small amounts of hydrofluoric acid from hydrochloric acid | |
FR1544368A (en) | Process for separating acrylic acid from aqueous solutions containing it | |
FR1338380A (en) | Process for recovering acids and in particular sulfuric acid from the coagulation baths of the | |
FR1546226A (en) | Improved process for the separation of lactic acid from aqueous nitric solutions | |
FR1443990A (en) | Process for the separation and extraction of metals from aqueous solutions | |
FR1394019A (en) | Process for the preparation of methacrylic acid esters | |
BE779384A (en) | PROCESS FOR THE MANUFACTURE OF ACRYLIC ACID AND METHACRYLIC ACID | |
FR1393174A (en) | Method for concentrating aqueous solutions of acrylic acid | |
FR1286328A (en) | Process for recovering acrylic acid from its aqueous solution | |
FR1300603A (en) | Process for treating hydrolytic acids formed in the manufacture of titanium dioxide by the sulfuric acid etching process | |
FR1264314A (en) | Process for the recovery of 6-aminopenicillanic acid from aqueous solutions | |
FR1330348A (en) | Phosphonic acid esters and process for preparing them | |
FR1270297A (en) | Process for recovering concentrated sulfuric acid from dilute waste acids containing salts | |
FR86090E (en) | Method for concentrating aqueous solutions of acrylic acid | |
FR1351243A (en) | Process for the continuous treatment of residues which form during the synthesis of acrylic acid or its esters |