BR0015816A - Magnetic fluid - Google Patents
Magnetic fluidInfo
- Publication number
- BR0015816A BR0015816A BR0015816-0A BR0015816A BR0015816A BR 0015816 A BR0015816 A BR 0015816A BR 0015816 A BR0015816 A BR 0015816A BR 0015816 A BR0015816 A BR 0015816A
- Authority
- BR
- Brazil
- Prior art keywords
- magnetic fluid
- particles
- ferro
- envelope
- exceeding
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- H01F1/42—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of organic or organo-metallic materials, e.g. graphene
-
- 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
- H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
- H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
- H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant
-
- 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)
- Nanotechnology (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Hard Magnetic Materials (AREA)
- Lubricants (AREA)
Abstract
"FLUIDO MAGNéTICO". A presente invenção refere-se a um meio fluido magnético que compreende uma pluralidade de partículas ferro- ou ferrimagnéticas, cada uma das partículas apresentando uma maior dimensão não superior a 100 nm, ditas partículas sendo preparadas por um processo que inclui a etapa em que as partículas são formadas dentro de um invólucro macromolecular orgânico."MAGNETIC FLUID". The present invention relates to a magnetic fluid medium comprising a plurality of ferro- or ferrimagnetic particles, each of the particles having a greater dimension not exceeding 100 nm, said particles being prepared by a process that includes the step in which the particles are formed within an organic macromolecular envelope.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9927911.9A GB9927911D0 (en) | 1999-11-25 | 1999-11-25 | Magnetic fluid |
PCT/GB2000/004517 WO2001039217A1 (en) | 1999-11-25 | 2000-11-27 | Magnetic fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0015816A true BR0015816A (en) | 2002-07-16 |
Family
ID=10865154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0015816-0A BR0015816A (en) | 1999-11-25 | 2000-11-27 | Magnetic fluid |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1232503A1 (en) |
JP (1) | JP2003515921A (en) |
KR (1) | KR20030007383A (en) |
CN (1) | CN1399783A (en) |
AU (1) | AU2380801A (en) |
BR (1) | BR0015816A (en) |
CA (1) | CA2392381A1 (en) |
GB (1) | GB9927911D0 (en) |
MX (1) | MXPA02005229A (en) |
WO (1) | WO2001039217A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100490472B1 (en) * | 2002-06-04 | 2005-05-19 | 충남대학교산학협력단 | Carbon nanotubes synthesis method using magnetic fluids |
GB2393729A (en) * | 2002-10-04 | 2004-04-07 | Nanomagnetics Ltd | Semiconductor nanoparticles |
GB2393728A (en) * | 2002-10-04 | 2004-04-07 | Nanomagnetics Ltd | Magnetic nanoparticles |
US7322187B2 (en) * | 2003-11-26 | 2008-01-29 | Hoeganaes Corporation | Metallurgical powder compositions and articles and methods utilizing the same |
JP3912391B2 (en) | 2004-05-26 | 2007-05-09 | ソニー株式会社 | Metallic magnetic nanoparticles and production method thereof |
EP1646057A2 (en) | 2004-10-09 | 2006-04-12 | European Central Bank | Security document and method for identification and/or authentication of a security document |
EP1646056A1 (en) * | 2004-10-09 | 2006-04-12 | European Central Bank | Security document on which data can be stored and method and apparatus for reading data from and writing data on the security document |
CN103338615B (en) * | 2013-06-14 | 2016-05-18 | 成都艾迈计算机辅助工程有限责任公司 | A kind of cooling device and method that reduces noise |
EP2915991A1 (en) * | 2014-03-07 | 2015-09-09 | Continental Automotive GmbH | Electromagnetically actuatable fluid injection valve |
CN105845496B (en) * | 2016-05-24 | 2018-01-30 | 汕头大学 | A kind of magnetic fluid travel switch and combinations thereof method |
CN105845497B (en) * | 2016-05-24 | 2018-04-24 | 汕头大学 | A kind of magnetic fluid switch with copper nano particles and distributed combined method |
CN105869930B (en) * | 2016-05-24 | 2018-05-18 | 汕头大学 | A kind of magnetic current body minisize control handle and combinations thereof method |
DE102019219262B4 (en) * | 2019-12-10 | 2022-08-04 | Robert Bosch Gmbh | Sensor device, data acquisition system and method for evaluating work processes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5512332A (en) * | 1985-10-04 | 1996-04-30 | Immunivest Corporation | Process of making resuspendable coated magnetic particles |
NL1008528C2 (en) * | 1998-03-09 | 1999-09-10 | Univ Utrecht | Ferromagnetic particles. |
-
1999
- 1999-11-25 GB GBGB9927911.9A patent/GB9927911D0/en not_active Ceased
-
2000
- 2000-11-27 BR BR0015816-0A patent/BR0015816A/en not_active IP Right Cessation
- 2000-11-27 JP JP2001540794A patent/JP2003515921A/en active Pending
- 2000-11-27 CA CA002392381A patent/CA2392381A1/en not_active Abandoned
- 2000-11-27 MX MXPA02005229A patent/MXPA02005229A/en unknown
- 2000-11-27 CN CN00816121A patent/CN1399783A/en active Pending
- 2000-11-27 EP EP00987559A patent/EP1232503A1/en not_active Withdrawn
- 2000-11-27 AU AU23808/01A patent/AU2380801A/en not_active Abandoned
- 2000-11-27 KR KR1020027006645A patent/KR20030007383A/en not_active Application Discontinuation
- 2000-11-27 WO PCT/GB2000/004517 patent/WO2001039217A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
KR20030007383A (en) | 2003-01-23 |
MXPA02005229A (en) | 2003-09-25 |
CA2392381A1 (en) | 2001-05-31 |
EP1232503A1 (en) | 2002-08-21 |
AU2380801A (en) | 2001-06-04 |
WO2001039217A1 (en) | 2001-05-31 |
CN1399783A (en) | 2003-02-26 |
GB9927911D0 (en) | 2000-01-26 |
JP2003515921A (en) | 2003-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A E 8A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2008 DE 30/06/2009. |