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 säuregruppe

Info

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
Application number
AT97106467T
Other languages
English (en)
Inventor
John E Wyman
Shiro Tsuda
Original Assignee
Ferrotec Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ferrotec Corp filed Critical Ferrotec Corp
Application granted granted Critical
Publication of ATE205330T1 publication Critical patent/ATE205330T1/de

Links

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)
AT97106467T 1996-04-19 1997-04-18 Magnetische kolloide unter verwendung von dispergiermitteln aus poly(12- hydroxystearinsäure) mit endständiger säuregruppe ATE205330T1 (de)

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 (5)

* Cited by examiner, † Cited by third party
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
BR0313422A (pt) * 2002-08-19 2005-06-28 Unilever Nv Método para a preparação de um confeito congelado areado, composição base para um confeito areado congelado, confeito areado congelado e lata de aerossol
CN102361702B (zh) * 2009-03-23 2016-02-03 科博产品有限公司 自分散涂覆的金属氧化物粉末以及制造和使用方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE69706466D1 (de) 2001-10-11
EP0802546A1 (de) 1997-10-22
US5730893A (en) 1998-03-24
DE69706466T2 (de) 2002-04-25
EP0802546B1 (de) 2001-09-05

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Legal Events

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