DE69706466D1 - 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
DE69706466D1
DE69706466D1 DE69706466T DE69706466T DE69706466D1 DE 69706466 D1 DE69706466 D1 DE 69706466D1 DE 69706466 T DE69706466 T DE 69706466T DE 69706466 T DE69706466 T DE 69706466T DE 69706466 D1 DE69706466 D1 DE 69706466D1
Authority
DE
Germany
Prior art keywords
poly
dispersants
acid
magnetic colloids
acid group
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 - Fee Related
Application number
DE69706466T
Other languages
English (en)
Other versions
DE69706466T2 (de
Inventor
John E Wyman
Shiro Tsuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FERROTEC CORP TOKIO/TOKYO
Ferrotec Material Technologies Corp
Original Assignee
FERROTEC CORP TOKIO/TOKYO
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 TOKIO/TOKYO, Ferrotec Corp filed Critical FERROTEC CORP TOKIO/TOKYO
Application granted granted Critical
Publication of DE69706466D1 publication Critical patent/DE69706466D1/de
Publication of DE69706466T2 publication Critical patent/DE69706466T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE69706466T 1996-04-19 1997-04-18 Magnetische Kolloide unter Verwendung von Dispergiermitteln aus Poly(12-Hydroxystearinsäure) mit endständiger Säuregruppe Expired - Fee Related DE69706466T2 (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 (2)

Publication Number Publication Date
DE69706466D1 true DE69706466D1 (de) 2001-10-11
DE69706466T2 DE69706466T2 (de) 2002-04-25

Family

ID=27417598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69706466T Expired - Fee Related DE69706466T2 (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
US5993861A (en) * 1998-01-20 1999-11-30 Bernel Chemical Co., 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
WO2004017746A1 (en) * 2002-08-19 2004-03-04 Unilever N.V. Frozen confection
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
NL88348C (de) * 1951-08-23
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
DE69706466T2 (de) 2002-04-25
EP0802546A1 (de) 1997-10-22
US5730893A (en) 1998-03-24
EP0802546B1 (de) 2001-09-05
ATE205330T1 (de) 2001-09-15

Similar Documents

Publication Publication Date Title
CA2083219A1 (en) Optical transmitter having optical modulator
DE69113707D1 (de) Elektrochemische Zelle enthaltender Apparat mit einer aussenliegenden Brennstoffmischdüse.
SE8800394D0 (sv) Superparamagnetiska vetskor
ATE255784T1 (de) Pulsmodulierterkeistungsverstärker mit verbessertem kaskadiertem steuerungsverfahren
GR3021101T3 (en) Device for the galvanic insulation of DC electrical signals or signals containing a DC component
DE69019548T2 (de) Steuerspannungsgenerator in einer Senderanordnung für digital modulierte Signale.
DE69025013D1 (de) Kommunikationsendgerät mit Vorrichtung zur Regelung der Leistungsübertragung
ATE71771T1 (de) Kupferoxid-supraleiter mit gemischter wertigkeit und verfahren zu seiner herstellung.
DE69706466T2 (de) Magnetische Kolloide unter Verwendung von Dispergiermitteln aus Poly(12-Hydroxystearinsäure) mit endständiger Säuregruppe
DE69502614T2 (de) Selbsttrennendes bindemittelsystem
AU7043187A (en) Dispersible composition of ceramic solid and a dispersant
MX9306027A (es) Metodo y sistema de comunicacion de mensaje, confiable.
MY136111A (en) Pigment coated phosphor and method for manufacturing same
MY106039A (en) Anti-dazzling and electrostatic charge-preventive transparent coating material,method thereof and video display coated therewith.
DE59105973D1 (de) Biskationische Azofarbstoffe sowie deren Zwischenprodukte.
TW345602B (en) Storage-stable liquid brightener formulations
ES2123524T3 (es) Adaptador de registro cronologico.
DE50015167D1 (de) Verfahren und Vorrichtung zur Kommunikation über elektrische Energieversorgungsleitungen
JPS5538701A (en) Device for transmission and reception
DE60229688D1 (de) Optischer Sender mit einem Modulator aus einer Vielzahl von Modulationselementen
DE3768433D1 (de) Durch protonierung mit saeure wasserverduennbare bindemittel.
SE9002970D0 (sv) Tvaa- eller fyrkvadrantsdrift av batteridrivna serielindade likstroemsmotorer
EP0393599A3 (de) Oberflächenmontierbare elektrische Spule
NO893031D0 (no) Ladningsutladende beroeringsplate for videofremviserterminaler.
SU1169107A1 (ru) Преобразователь посто нного напр жени

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee