FI851003L - FOERFARANDE FOER FRAMSTAELLNING AV VATTENFRI ELLER NAESTAN VATTENFRI MYRSYRA GENOM HYDROLYS AV METYLFORMIAT. - Google Patents
FOERFARANDE FOER FRAMSTAELLNING AV VATTENFRI ELLER NAESTAN VATTENFRI MYRSYRA GENOM HYDROLYS AV METYLFORMIAT.Info
- Publication number
- FI851003L FI851003L FI851003A FI851003A FI851003L FI 851003 L FI851003 L FI 851003L FI 851003 A FI851003 A FI 851003A FI 851003 A FI851003 A FI 851003A FI 851003 L FI851003 L FI 851003L
- Authority
- FI
- Finland
- Prior art keywords
- vattenfri
- naestan
- myrsyra
- metylformiat
- hydrolys
- Prior art date
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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- 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)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3411384 | 1984-03-28 | ||
DE19843411384 DE3411384A1 (en) | 1984-03-28 | 1984-03-28 | METHOD FOR THE EXTRACTION OF WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID BY HYDROLYSIS OF METHYLFORMIAT |
Publications (4)
Publication Number | Publication Date |
---|---|
FI851003A0 FI851003A0 (en) | 1985-03-13 |
FI851003L true FI851003L (en) | 1985-09-29 |
FI84259B FI84259B (en) | 1991-07-31 |
FI84259C FI84259C (en) | 1991-11-11 |
Family
ID=6231846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI851003A FI84259C (en) | 1984-03-28 | 1985-03-13 | FOERFARANDE FOER FRAMSTAELLNING AV VATTENFRI ELLER NAESTAN VATTENFRI MYRSYRA GENOM HYDROLYS AV METYLFORMIAT. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0156309B1 (en) |
JP (1) | JPS60218355A (en) |
CA (1) | CA1238919A (en) |
DE (2) | DE3411384A1 (en) |
FI (1) | FI84259C (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4735690A (en) * | 1986-03-10 | 1988-04-05 | Lloyd Berg | Dehydration of impure formic acid by extractive distillation |
US4670105A (en) * | 1986-04-07 | 1987-06-02 | Lloyd Berg | Dehydration of propanoic acid by extractive distillation |
DE4211141A1 (en) * | 1992-04-03 | 1993-10-07 | Basf Ag | Process for the preparation of formic acid by thermal cleavage of quaternary ammonium formates |
DE19934410C1 (en) | 1999-07-22 | 2000-12-14 | Consortium Elektrochem Ind | Separation and purification of aqueous mixtures of acetic acid, formic acid and high boiling fractions uses apparatus with separation and distillation columns containing organic solvent |
DE19934411C1 (en) | 1999-07-22 | 2001-03-22 | Consortium Elektrochem Ind | Process for the separation and purification of an aqueous mixture of the main components acetic acid and formic acid |
DE10002791A1 (en) * | 2000-01-24 | 2001-07-26 | Basf Ag | Production of anhydrous formic acid by hydrolyzing methyl formate comprises introducing methanol-containing methyl formate into distillation column used to distil hydrolysis mixture |
DE10002794A1 (en) * | 2000-01-24 | 2001-07-26 | Basf Ag | Production of anhydrous formic acid involves hydrolysis of methyl formate, steam distillation, extraction with amide and further distillations, with prior use of steam for stripping aqueous extraction residue |
DE10002793A1 (en) | 2000-01-24 | 2001-07-26 | Basf Ag | Production of anhydrous formic acid involves hydrolysis of methyl formate followed by distillation, extraction with amide and further distillations, using the amide also as a foam suppressant in first distillation stage |
DE10002790A1 (en) * | 2000-01-24 | 2001-07-26 | Basf Ag | Production of anhydrous formic acid involves hydrolysis of methyl formate followed by distillation, extraction with amide and further distillation stages, using the same extractant to wash useful products out of the off-gas |
WO2013030162A1 (en) | 2011-08-27 | 2013-03-07 | Taminco | Process of formic acid production by hydrolysis of methyl formate |
TWI715627B (en) * | 2015-09-16 | 2021-01-11 | 德商羅伊姆公司 | Extractive workup of a sodium-salt-containing mma-methanol mixture |
US10266467B2 (en) | 2017-08-02 | 2019-04-23 | Eastman Chemical Company | Synthesis of glycols via transfer hydrogenation of alpha-functional esters with alcohols |
US10544077B2 (en) * | 2017-08-02 | 2020-01-28 | Eastman Chemical Company | Process for making formic acid utilizing higher-boiling formate esters |
US10570081B2 (en) | 2017-08-02 | 2020-02-25 | Eastman Chemical Company | Process for making formic acid utilizing lower-boiling formate esters |
US10266466B2 (en) * | 2017-08-02 | 2019-04-23 | Eastman Chemical Company | Iron-catalyzed transfer hydrogenation of esters to alcohols |
US10435349B2 (en) | 2017-08-02 | 2019-10-08 | Eastman Chemical Company | Iron-catalyzed cross-coupling of methanol with secondary or tertiary alcohols to produce formate esters |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2545658C2 (en) * | 1975-10-11 | 1985-12-19 | Basf Ag, 6700 Ludwigshafen | Process for the production of carboxylic acids from their aqueous solutions |
DE2853991A1 (en) * | 1978-12-14 | 1980-07-03 | Basf Ag | METHOD FOR DETERMINING WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID |
DE2914671A1 (en) * | 1979-04-11 | 1980-10-23 | Basf Ag | METHOD FOR DETERMINING WATER-FREE OR MOSTLY WATER-FREE FORMIC ACID |
-
1984
- 1984-03-28 DE DE19843411384 patent/DE3411384A1/en not_active Withdrawn
-
1985
- 1985-03-13 FI FI851003A patent/FI84259C/en not_active IP Right Cessation
- 1985-03-18 CA CA000476766A patent/CA1238919A/en not_active Expired
- 1985-03-21 DE DE8585103303T patent/DE3571026D1/en not_active Expired
- 1985-03-21 EP EP85103303A patent/EP0156309B1/en not_active Expired
- 1985-03-27 JP JP60061049A patent/JPS60218355A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0156309B1 (en) | 1989-06-14 |
FI84259B (en) | 1991-07-31 |
FI84259C (en) | 1991-11-11 |
DE3411384A1 (en) | 1985-10-10 |
FI851003A0 (en) | 1985-03-13 |
EP0156309A3 (en) | 1987-04-29 |
DE3571026D1 (en) | 1989-07-20 |
JPS60218355A (en) | 1985-11-01 |
EP0156309A2 (en) | 1985-10-02 |
CA1238919A (en) | 1988-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: BASF AKTIENGESELLSCHAFT |