ATE205330T1 - Magnetische kolloide unter verwendung von dispergiermitteln aus poly(12- hydroxystearinsäure) mit endständiger säuregruppe - Google Patents
Magnetische kolloide unter verwendung von dispergiermitteln aus poly(12- hydroxystearinsäure) mit endständiger säuregruppeInfo
- Publication number
- ATE205330T1 ATE205330T1 AT97106467T AT97106467T ATE205330T1 AT E205330 T1 ATE205330 T1 AT E205330T1 AT 97106467 T AT97106467 T AT 97106467T AT 97106467 T AT97106467 T AT 97106467T AT E205330 T1 ATE205330 T1 AT E205330T1
- Authority
- AT
- Austria
- Prior art keywords
- acid
- dispersants
- terminated poly
- magnetic colloids
- hydroxystearic
- Prior art date
Links
- 239000002253 acid Substances 0.000 title abstract 2
- 239000000084 colloidal system Substances 0.000 title abstract 2
- 239000002270 dispersing agent Substances 0.000 title abstract 2
- -1 POLY(12-HYDROXYSTEARIC ACID) Polymers 0.000 title 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 abstract 2
- 229940114072 12-hydroxystearic acid Drugs 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Soft Magnetic Materials (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Lubricants (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63675396A | 1996-04-19 | 1996-04-19 | |
| US66913096A | 1996-06-24 | 1996-06-24 | |
| US08/753,908 US5730893A (en) | 1996-04-19 | 1996-12-03 | Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE205330T1 true ATE205330T1 (de) | 2001-09-15 |
Family
ID=27417598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97106467T ATE205330T1 (de) | 1996-04-19 | 1997-04-18 | Magnetische kolloide unter verwendung von dispergiermitteln aus poly(12- hydroxystearinsäure) mit endständiger säuregruppe |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5730893A (de) |
| EP (1) | EP0802546B1 (de) |
| AT (1) | ATE205330T1 (de) |
| DE (1) | DE69706466T2 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930075A (en) * | 1995-10-30 | 1999-07-27 | Seagate Technology, Inc. | Disc drive spindle motor having hydro bearing with optimized lubricant viscosity |
| CA2318034A1 (en) * | 1998-01-20 | 1999-07-22 | Bernel Chemical Company, Inc. | 12-hydroxy stearic acid esters, compositions based upon same and methods of using and making such compositions |
| US6126951A (en) * | 1998-07-14 | 2000-10-03 | Bernel Chemical Company, Inc. | Emollient esters based upon capryl alcohol and isostearic acid |
| CA2495692A1 (en) * | 2002-08-19 | 2004-03-04 | Unilever Plc | Frozen confection |
| JP6184099B2 (ja) * | 2009-03-23 | 2017-08-23 | コボ プロダクツ インコーポレイテッド | 自己分散性金属酸化物コーティング粉末、その製造方法及び使用 |
| CN118978680A (zh) * | 2024-08-06 | 2024-11-19 | 湖南建工汇建新材料科技有限公司 | 一种分散剂及其制备方法和石膏 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2106882A (en) * | 1936-12-12 | 1938-02-01 | Magnaflux Corp | Paste of paramagnetic particles for use in the examination of paramagnetic materials for flaws by the magnetic method |
| NL171985B (nl) * | 1951-08-23 | Rhone-Poulenc Industries Te Parijs. | Werkwijze voor het bereiden van preparaten met werking tegen schistosomiasis, de aldus verkregen gevormde preparaten en werkwijze voor het bereiden van 1,2-dithioolverbindingen. | |
| US2859181A (en) * | 1956-05-02 | 1958-11-04 | Texas Co | Heat stable lithium-lead soap composition |
| US4208294A (en) * | 1979-02-12 | 1980-06-17 | The United States Of America, As Represented By The Secretary Of The Interior | Dilution stable water based magnetic fluids |
| US4430239A (en) * | 1981-10-21 | 1984-02-07 | Ferrofluidics Corporation | Ferrofluid composition and method of making and using same |
| JPS5924438A (ja) * | 1982-08-02 | 1984-02-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS5963030A (ja) * | 1982-10-01 | 1984-04-10 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| US4608186A (en) * | 1984-07-30 | 1986-08-26 | Tdk Corporation | Magnetic fluid |
| JPS6142733A (ja) * | 1984-08-07 | 1986-03-01 | Konishiroku Photo Ind Co Ltd | 磁気記録媒体 |
| US4604222A (en) * | 1985-05-21 | 1986-08-05 | Ferrofluidics Corporation | Stable ferrofluid composition and method of making and using same |
| US4701276A (en) * | 1986-10-31 | 1987-10-20 | Hitachi Metals, Ltd. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
| SE8800394L (sv) * | 1988-02-08 | 1989-08-09 | Skf Nova Ab | Superparamagnetiska vaetskor |
| US5064550A (en) * | 1989-05-26 | 1991-11-12 | Consolidated Chemical Consulting Co. | Superparamagnetic fluids and methods of making superparamagnetic fluids |
| JPH04246475A (ja) * | 1991-01-31 | 1992-09-02 | Daikin Ind Ltd | 磁性塗料の製造方法 |
| JPH05331472A (ja) * | 1992-05-28 | 1993-12-14 | Tokyo Yogyo Co Ltd | 摺動材料 |
| JP3275412B2 (ja) * | 1993-01-20 | 2002-04-15 | 日本精工株式会社 | 磁性流体組成物及び磁性流体シール装置 |
| JPH07297013A (ja) * | 1994-04-21 | 1995-11-10 | Toyota Central Res & Dev Lab Inc | 磁石粉末の製造方法 |
-
1996
- 1996-12-03 US US08/753,908 patent/US5730893A/en not_active Expired - Lifetime
-
1997
- 1997-04-18 AT AT97106467T patent/ATE205330T1/de not_active IP Right Cessation
- 1997-04-18 DE DE69706466T patent/DE69706466T2/de not_active Expired - Fee Related
- 1997-04-18 EP EP97106467A patent/EP0802546B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69706466D1 (de) | 2001-10-11 |
| DE69706466T2 (de) | 2002-04-25 |
| EP0802546A1 (de) | 1997-10-22 |
| US5730893A (en) | 1998-03-24 |
| EP0802546B1 (de) | 2001-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |