Invention Application
US20140093934A1 SUBSTRATES COMPRISING SWITCHABLE FERROMAGNETIC NANOPARTICLES
审中-公开
包含可切换的FERROMAGNETIC NANOPARTICLES的基板
- Patent Title: SUBSTRATES COMPRISING SWITCHABLE FERROMAGNETIC NANOPARTICLES
- Patent Title (中): 包含可切换的FERROMAGNETIC NANOPARTICLES的基板
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Application No.: US14099176Application Date: 2013-12-06
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Publication No.: US20140093934A1Publication Date: 2014-04-03
- Inventor: Ekkehard BRUECK
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Priority: EP09170811.5 20090921
- Main IPC: C07K16/00
- IPC: C07K16/00 ; C12N11/14 ; C07H23/00 ; C07K14/00 ; C07K14/825
Abstract:
In a process for producing organic substrate particles bonded to switchable ferromagnetic nanoparticles with a mean particle diameter in the range from 10 to 1000 nm, the ferromagnetic nanoparticles used are those nanoparticles which are nonferromagnetic at first, but become ferromagnetic when the temperature is lowered, these at first nonferromagnetic nanoparticles in dispersed form are bonded to the organic substance particles, and then the nanoparticles bonded to the substrate particles are made ferromagnetic as a result of the temperature being lowered.
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