FR2261251B1 - - Google Patents
Info
- Publication number
- FR2261251B1 FR2261251B1 FR7505040A FR7505040A FR2261251B1 FR 2261251 B1 FR2261251 B1 FR 2261251B1 FR 7505040 A FR7505040 A FR 7505040A FR 7505040 A FR7505040 A FR 7505040A FR 2261251 B1 FR2261251 B1 FR 2261251B1
- 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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
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)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742407834 DE2407834A1 (de) | 1974-02-19 | 1974-02-19 | Verfahren zur abtrennung und reinigung von fluor- und chlorhaltigen perhalogencarbonsaeuren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2261251A1 FR2261251A1 (US07321065-20080122-C00020.png) | 1975-09-12 |
| FR2261251B1 true FR2261251B1 (US07321065-20080122-C00020.png) | 1978-06-30 |
Family
ID=5907790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7505040A Expired FR2261251B1 (US07321065-20080122-C00020.png) | 1974-02-19 | 1975-02-18 |
Country Status (6)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2903981A1 (de) * | 1979-02-02 | 1980-08-07 | Hoechst Ag | Rueckgewinnung fluorierter emulgatorsaeuren aus basischen anionenaustauschern |
| US4597882A (en) * | 1983-06-13 | 1986-07-01 | Tokyo Denshi Kagaku Co., Ltd. | Process for regenerating waste oils of synthetic lubricants containing fluorine atom |
| US4623487A (en) * | 1985-03-14 | 1986-11-18 | E. I. Du Pont De Nemours & Company | Process for recovery of fluorosurfactants |
| ATE159978T1 (de) * | 1992-08-07 | 1997-11-15 | Fujikura Kasei Kk | Elektrosensitive zusammensetzung |
| US5611210A (en) * | 1993-03-05 | 1997-03-18 | Ikon Corporation | Fluoroiodocarbon blends as CFC and halon replacements |
| US6270689B1 (en) | 1998-03-26 | 2001-08-07 | Ikon Corporation | Blend compositions of trifluoroiodomethane, tetrafluoroethane and difluoroethane |
| DE19932771A1 (de) * | 1999-07-14 | 2001-01-18 | Dyneon Gmbh | Verfahren zur Eluierung fluorierter Emulgatoren |
| EP1561729A1 (en) * | 2004-02-05 | 2005-08-10 | 3M Innovative Properties Company | Removal of fluorinated surfactants from waste water |
| EP1561742B1 (en) * | 2004-02-05 | 2012-11-21 | 3M Innovative Properties Company | Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith |
| EP1700869A1 (en) * | 2005-03-11 | 2006-09-13 | 3M Innovative Properties Company | Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups |
| US7671112B2 (en) * | 2005-07-15 | 2010-03-02 | 3M Innovative Properties Company | Method of making fluoropolymer dispersion |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| GB2430437A (en) * | 2005-09-27 | 2007-03-28 | 3M Innovative Properties Co | Method of making a fluoropolymer |
| WO2008101137A1 (en) * | 2007-02-16 | 2008-08-21 | 3M Innovative Properties Company | System and process for the removal of fluorochemicals from water |
| US20080264864A1 (en) * | 2007-04-27 | 2008-10-30 | 3M Innovative Properties Company | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3040081A (en) * | 1959-03-27 | 1962-06-19 | Gulf Research Development Co | Separation of oxygenated hydrocarbon |
-
1974
- 1974-02-19 DE DE19742407834 patent/DE2407834A1/de active Pending
-
1975
- 1975-02-10 US US05/548,818 patent/US4005137A/en not_active Expired - Lifetime
- 1975-02-17 GB GB666775A patent/GB1454156A/en not_active Expired
- 1975-02-18 FR FR7505040A patent/FR2261251B1/fr not_active Expired
- 1975-02-18 CH CH200575A patent/CH605548A5/xx not_active IP Right Cessation
- 1975-02-19 JP JP50020792A patent/JPS50116417A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2407834A1 (de) | 1975-09-04 |
| GB1454156A (en) | 1976-10-27 |
| CH605548A5 (US07321065-20080122-C00020.png) | 1978-09-29 |
| US4005137A (en) | 1977-01-25 |
| JPS50116417A (US07321065-20080122-C00020.png) | 1975-09-11 |
| FR2261251A1 (US07321065-20080122-C00020.png) | 1975-09-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |