CA1014446A - Perfluoralkylphosphorus compounds as foam-dampening agents - Google Patents
Perfluoralkylphosphorus compounds as foam-dampening agentsInfo
- Publication number
- CA1014446A CA1014446A CA176,047A CA176047A CA1014446A CA 1014446 A CA1014446 A CA 1014446A CA 176047 A CA176047 A CA 176047A CA 1014446 A CA1014446 A CA 1014446A
- Authority
- CA
- Canada
- Prior art keywords
- perfluoralkylphosphorus
- foam
- compounds
- dampening agents
- dampening
- 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
- 150000001875 compounds Chemical class 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0418—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing P-atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Detergent Compositions (AREA)
- Beans For Foods Or Fodder (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Printing Plates And Materials Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2233941A DE2233941C3 (de) | 1972-07-11 | 1972-07-11 | Verwendung von Perfluoralkylphosphorverbindungen als schaumdämpfende Mittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1014446A true CA1014446A (en) | 1977-07-26 |
Family
ID=5850270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA176,047A Expired CA1014446A (en) | 1972-07-11 | 1973-07-10 | Perfluoralkylphosphorus compounds as foam-dampening agents |
Country Status (15)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2742853C2 (de) * | 1977-09-23 | 1982-09-23 | Hoechst Ag, 6000 Frankfurt | Verwendung von fluorierten Alkoholen zur Unterdrückung des Schäumens flüssiger Medien |
| US4270915A (en) * | 1978-09-19 | 1981-06-02 | United Merchants And Manufacturers, Inc. | Fabric printing process |
| US4293441A (en) * | 1979-03-12 | 1981-10-06 | Minnesota Mining And Manufacturing Company | Corrosion inhibiting heat transfer liquid |
| US4202706A (en) * | 1979-03-12 | 1980-05-13 | Minnesota Mining And Manufacturing Company | Corrosion resistance treatment of aluminum with N-alkyl-fluoroaliphaticsulfonamidophosphonic acids and salts thereof |
| DE3723198A1 (de) * | 1987-07-14 | 1989-02-16 | Bayer Ag | Schaumhemmender zusatz in sauren beizen und galvanischen baedern |
| EP0407874B1 (de) * | 1989-07-08 | 1995-01-18 | Hoechst Schering AgrEvo GmbH | Entschäumer für flüssige Netzmittel und schaumarme flüssige Pflanzenschutzmittel |
| US5679618A (en) * | 1990-07-06 | 1997-10-21 | Hoechst Aktiengesellschaft | Antifoams for solid crop protection agents |
| DE59303101D1 (de) * | 1992-03-17 | 1996-08-08 | Hoechst Schering Agrevo Gmbh | Entschäumer für feste Pflanzenschutzmittel |
| CN1284787C (zh) | 1997-11-28 | 2006-11-15 | 科莱恩产品（德国）有限公司 | 制备二烷基次膦酸的盐的方法 |
| EP0919561B1 (de) | 1997-11-28 | 2004-02-18 | Clariant GmbH | Verfahren zur Herstellung von Aryl-alkylphosphinsäuren |
| EP0919560B1 (de) | 1997-11-28 | 2004-02-25 | Clariant GmbH | Verfahren zur Herstellung von Metallsalzen von Aryl-alkylphosphinsäuren |
| CN1232523C (zh) | 1997-11-28 | 2005-12-21 | 科莱恩有限公司 | 制备二烷基次膦酸的方法 |
| US6444618B1 (en) * | 1999-01-29 | 2002-09-03 | Basf Aktiengesellschaft | Crop protection emulsifiable concentrate containing defoaming agents |
| DE19927787C2 (de) | 1999-06-18 | 2003-12-11 | Clariant Gmbh | Verfahren zur Herstellung von Alkylphosphonsäuren |
| DE10220547A1 (de) * | 2002-04-16 | 2003-11-06 | Merck Patent Gmbh | Verfahren zur Herstellung von Monohydro-Pefluoralkanen, Perfluoralkylphosphinaten und Perfluoralkylphosphonaten |
| DE102006025847A1 (de) | 2006-06-02 | 2007-12-06 | Merck Patent Gmbh | Verwendung von Phosphinsäure in der Galvanotechnik |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2394596A (en) * | 1943-12-31 | 1946-02-12 | Standard Oil Dev Co | Nonfoaming compositions and methods of making same |
| US2792374A (en) * | 1953-01-14 | 1957-05-14 | Socony Mobil Oil Co Inc | Aqueous defoamants |
| NL130594C (US06623731-20030923-C00012.png) * | 1968-07-22 |
-
1972
- 1972-07-11 DE DE2233941A patent/DE2233941C3/de not_active Expired
-
1973
- 1973-06-29 NL NL7309145A patent/NL7309145A/xx unknown
- 1973-07-09 SU SU1944632A patent/SU492062A3/ru active
- 1973-07-09 US US377561A patent/US3912654A/en not_active Expired - Lifetime
- 1973-07-10 FR FR7325235A patent/FR2191921B1/fr not_active Expired
- 1973-07-10 CA CA176,047A patent/CA1014446A/en not_active Expired
- 1973-07-10 DD DD172190A patent/DD105130A5/xx unknown
- 1973-07-10 IT IT26421/73A patent/IT994936B/it active
- 1973-07-10 CH CH336274D patent/CH336274A4/xx unknown
- 1973-07-10 JP JP7717073A patent/JPS5618241B2/ja not_active Expired
- 1973-07-10 GB GB3284473A patent/GB1426339A/en not_active Expired
- 1973-07-10 AT AT607673A patent/AT330133B/de not_active IP Right Cessation
- 1973-07-10 CH CH336274A patent/CH568434B5/xx not_active IP Right Cessation
- 1973-07-10 CH CH1003273A patent/CH552401A/xx not_active IP Right Cessation
- 1973-07-11 ZA ZA734676A patent/ZA734676B/xx unknown
- 1973-07-11 ES ES416797A patent/ES416797A1/es not_active Expired
- 1973-07-11 BE BE133371A patent/BE802214A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA607673A (de) | 1975-09-15 |
| GB1426339A (en) | 1976-02-25 |
| AU5790573A (en) | 1975-01-09 |
| US3912654A (en) | 1975-10-14 |
| JPS5618241B2 (US06623731-20030923-C00012.png) | 1981-04-27 |
| FR2191921B1 (US06623731-20030923-C00012.png) | 1976-09-17 |
| DD105130A5 (US06623731-20030923-C00012.png) | 1974-04-12 |
| CH552401A (de) | 1974-08-15 |
| NL7309145A (US06623731-20030923-C00012.png) | 1974-01-15 |
| AT330133B (de) | 1976-06-10 |
| BE802214A (fr) | 1974-01-11 |
| DE2233941C3 (de) | 1978-03-02 |
| ZA734676B (en) | 1974-07-31 |
| SU492062A3 (ru) | 1975-11-15 |
| DE2233941B2 (de) | 1977-07-14 |
| IT994936B (it) | 1975-10-20 |
| FR2191921A1 (US06623731-20030923-C00012.png) | 1974-02-08 |
| JPS4953183A (US06623731-20030923-C00012.png) | 1974-05-23 |
| CH568434B5 (US06623731-20030923-C00012.png) | 1975-10-31 |
| ES416797A1 (es) | 1976-06-16 |
| DE2233941A1 (de) | 1974-01-31 |
| CH336274A4 (US06623731-20030923-C00012.png) | 1975-05-30 |
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