AT323712B - METHOD AND APPARATUS FOR THE RECOVERY OF POLYOLS AND FORMIC ACID FROM AN AQUATIC SOLUTION OF POLYOLS, FORMIC ACID AND POLYOSES - Google Patents
METHOD AND APPARATUS FOR THE RECOVERY OF POLYOLS AND FORMIC ACID FROM AN AQUATIC SOLUTION OF POLYOLS, FORMIC ACID AND POLYOSESInfo
- Publication number
- AT323712B AT323712B AT533773A AT533773A AT323712B AT 323712 B AT323712 B AT 323712B AT 533773 A AT533773 A AT 533773A AT 533773 A AT533773 A AT 533773A AT 323712 B AT323712 B AT 323712B
- Authority
- AT
- Austria
- Prior art keywords
- polyols
- formic acid
- polyoses
- recovery
- aquatic solution
- Prior art date
Links
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 title 6
- 235000019253 formic acid Nutrition 0.000 title 2
- 229920005862 polyol Polymers 0.000 title 2
- 150000003077 polyols Chemical class 0.000 title 2
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2420/00—Metallocene catalysts
- C08F2420/09—Cyclic bridge, i.e. Cp or analog where the bridging unit linking the two Cps or analogs is part of a cyclic group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7224619A FR2192088B1 (en) | 1972-07-07 | 1972-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT323712B true AT323712B (en) | 1975-07-25 |
Family
ID=9101515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT533773A AT323712B (en) | 1972-07-07 | 1973-06-18 | METHOD AND APPARATUS FOR THE RECOVERY OF POLYOLS AND FORMIC ACID FROM AN AQUATIC SOLUTION OF POLYOLS, FORMIC ACID AND POLYOSES |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT323712B (en) |
| BE (1) | BE802038A (en) |
| CA (1) | CA1039751A (en) |
| DE (1) | DE2332137A1 (en) |
| ES (1) | ES416442A1 (en) |
| FR (1) | FR2192088B1 (en) |
| GB (1) | GB1429237A (en) |
| IE (1) | IE37865B1 (en) |
| IT (1) | IT991656B (en) |
| LU (1) | LU67855A1 (en) |
| NL (1) | NL7308690A (en) |
| SE (1) | SE407404B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942035B (en) * | 2010-09-07 | 2012-03-28 | 天津强微特生物科技有限公司 | Method for extracting and refining rhizobia exocellular polysaccharide |
-
1972
- 1972-07-07 FR FR7224619A patent/FR2192088B1/fr not_active Expired
-
1973
- 1973-06-18 AT AT533773A patent/AT323712B/en not_active IP Right Cessation
- 1973-06-22 LU LU67855A patent/LU67855A1/xx unknown
- 1973-06-22 NL NL7308690A patent/NL7308690A/xx unknown
- 1973-06-25 DE DE2332137A patent/DE2332137A1/en active Pending
- 1973-06-28 ES ES416442A patent/ES416442A1/en not_active Expired
- 1973-07-02 GB GB3135273A patent/GB1429237A/en not_active Expired
- 1973-07-02 IE IE1099/73A patent/IE37865B1/en unknown
- 1973-07-04 IT IT68978/73A patent/IT991656B/en active
- 1973-07-06 BE BE133227A patent/BE802038A/en unknown
- 1973-07-06 SE SE7309586A patent/SE407404B/en unknown
- 1973-07-06 CA CA175,898A patent/CA1039751A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1429237A (en) | 1976-03-24 |
| NL7308690A (en) | 1974-01-09 |
| IE37865B1 (en) | 1977-10-26 |
| CA1039751A (en) | 1978-10-03 |
| SE407404B (en) | 1979-03-26 |
| ES416442A1 (en) | 1976-05-01 |
| FR2192088A1 (en) | 1974-02-08 |
| FR2192088B1 (en) | 1980-07-25 |
| IT991656B (en) | 1975-08-30 |
| DE2332137A1 (en) | 1974-01-24 |
| LU67855A1 (en) | 1973-08-30 |
| BE802038A (en) | 1974-01-07 |
| IE37865L (en) | 1974-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |