FR2327216B1 - - Google Patents
Info
- Publication number
- FR2327216B1 FR2327216B1 FR7630285A FR7630285A FR2327216B1 FR 2327216 B1 FR2327216 B1 FR 2327216B1 FR 7630285 A FR7630285 A FR 7630285A FR 7630285 A FR7630285 A FR 7630285A FR 2327216 B1 FR2327216 B1 FR 2327216B1
- Authority
- FR
- France
- 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
- C07C51/43—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
- C07C51/42—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752545730 DE2545730A1 (de) | 1975-10-11 | 1975-10-11 | Verfahren zur reindarstellung von ameisensaeure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2327216A1 FR2327216A1 (fr) | 1977-05-06 |
| FR2327216B1 true FR2327216B1 (en18) | 1980-05-09 |
Family
ID=5958986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7630285A Granted FR2327216A1 (fr) | 1975-10-11 | 1976-10-08 | Procede de preparation d'acide formique pur |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4076594A (en18) |
| JP (1) | JPS5248615A (en18) |
| BE (1) | BE847153A (en18) |
| BR (1) | BR7606722A (en18) |
| CA (1) | CA1062647A (en18) |
| DE (1) | DE2545730A1 (en18) |
| ES (1) | ES452287A1 (en18) |
| FR (1) | FR2327216A1 (en18) |
| GB (1) | GB1554280A (en18) |
| NL (1) | NL7611168A (en18) |
| NO (1) | NO144419C (en18) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2853991A1 (de) * | 1978-12-14 | 1980-07-03 | Basf Ag | Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure |
| DE2914671A1 (de) * | 1979-04-11 | 1980-10-23 | Basf Ag | Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure |
| NL8103517A (nl) * | 1981-07-24 | 1983-02-16 | Badger Bv | Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling. |
| JPS60176725A (ja) * | 1984-02-22 | 1985-09-10 | 株式会社加賀田組 | フアイバを使用したコンクリ−ト体 |
| DE3417790A1 (de) * | 1984-05-14 | 1985-11-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von ameisensaeure |
| JPS62183310A (ja) * | 1986-02-07 | 1987-08-11 | 日本ハイブリツド工業株式会社 | プレストレスト・コンクリ−ト板の製造方法 |
| US4642166A (en) * | 1986-02-10 | 1987-02-10 | Lloyd Berg | Dehydration of formic acid by extractive distillation |
| US4735690A (en) * | 1986-03-10 | 1988-04-05 | Lloyd Berg | Dehydration of impure formic acid by extractive distillation |
| DE4211141A1 (de) * | 1992-04-03 | 1993-10-07 | Basf Ag | Verfahren zur Herstellung von Ameisensäure durch thermische Spaltung von quartären Ammoniumformiaten |
| DE4444979A1 (de) * | 1994-12-16 | 1996-06-20 | Basf Ag | Verfahren und Vorrichtung zur Gewinnung von Ameisensäure |
| EP2747883B1 (en) | 2011-08-27 | 2017-02-15 | Taminco | Process of formic acid production by hydrolysis of methyl formate |
| 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 |
| US10266467B2 (en) | 2017-08-02 | 2019-04-23 | Eastman Chemical Company | Synthesis of glycols via transfer hydrogenation of alpha-functional esters with 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 |
| CN115353450A (zh) * | 2022-09-26 | 2022-11-18 | 河北康壮环保科技股份有限公司 | 一种稀甲酸浓缩的工艺 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1919850A (en) * | 1933-07-25 | Emil luscher | ||
| US2034332A (en) * | 1933-09-30 | 1936-03-17 | Firm Rudolph Koepp & Co Chem F | Process for concentrating aqueous formic acid |
| US2313386A (en) * | 1941-02-08 | 1943-03-09 | Levesque Jean | Process for concentration and extraction of acetic acid in aqueous solutions |
| US2342028A (en) * | 1941-03-28 | 1944-02-15 | Tide Water Associated Oil Comp | Production of organic acids |
| US2357412A (en) * | 1942-07-14 | 1944-09-05 | Levesque Jean | Process for concentration and extraction of formic acid in aqueous solutions |
| DE1568940C3 (de) * | 1966-12-19 | 1978-12-07 | Krupp-Koppers Gmbh, 4300 Essen | Verfahren zur Abtrennung von Aromaten aus Kohlenwasserstoffgemischen beliebigen Aromatengehaltes |
| DE1908126C3 (de) * | 1969-02-19 | 1974-06-27 | Heinrich Koppers Gmbh, 4300 Essen | Verfahren zur Trennung von gesättigten Kohlenwasserstoffen und Olefinen |
| BE793981A (fr) * | 1972-01-15 | 1973-05-02 | Huels Chemische Werke Ag | Procede d'isolement de l'acide acetique par rectification extractive |
| NL7501253A (nl) * | 1974-02-15 | 1975-08-19 | Basf Ag | Werkwijze voor het winnen van mierezuur. |
-
1975
- 1975-10-11 DE DE19752545730 patent/DE2545730A1/de not_active Withdrawn
-
1976
- 1976-10-04 US US05/729,858 patent/US4076594A/en not_active Expired - Lifetime
- 1976-10-04 CA CA262,623A patent/CA1062647A/en not_active Expired
- 1976-10-07 GB GB41691/76A patent/GB1554280A/en not_active Expired
- 1976-10-07 BR BR7606722A patent/BR7606722A/pt unknown
- 1976-10-08 NL NL7611168A patent/NL7611168A/xx not_active Application Discontinuation
- 1976-10-08 NO NO763448A patent/NO144419C/no unknown
- 1976-10-08 FR FR7630285A patent/FR2327216A1/fr active Granted
- 1976-10-09 ES ES452287A patent/ES452287A1/es not_active Expired
- 1976-10-11 BE BE171401A patent/BE847153A/xx unknown
- 1976-10-12 JP JP51121365A patent/JPS5248615A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE847153A (fr) | 1977-04-12 |
| BR7606722A (pt) | 1977-11-16 |
| CA1062647A (en) | 1979-09-18 |
| GB1554280A (en) | 1979-10-17 |
| ES452287A1 (es) | 1978-03-01 |
| NO144419B (no) | 1981-05-18 |
| NO144419C (no) | 1981-08-26 |
| FR2327216A1 (fr) | 1977-05-06 |
| NO763448L (en18) | 1977-04-13 |
| US4076594A (en) | 1978-02-28 |
| DE2545730A1 (de) | 1977-04-21 |
| NL7611168A (nl) | 1977-04-13 |
| JPS5248615A (en) | 1977-04-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |