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公开(公告)号:US5656196A
公开(公告)日:1997-08-12
申请号:US356519
申请日:1994-12-15
申请人: Shiro Tsuda , Mayumi Takayama
发明人: Shiro Tsuda , Mayumi Takayama
IPC分类号: B01J13/00 , C09K15/18 , C10M125/10 , C10N10/16 , C10N40/14 , H01F1/44 , C09K3/00 , C09K15/00
摘要: The present invention relates to a ferrofluid composition having improved oxidation resistance, which contains a carrier liquid, magnetic particles in a stable colloidal suspension, and from about 5% to about 50% by weight of an antioxidant.
摘要翻译: 本发明涉及具有改善的抗氧化性的铁磁流体组合物,其含有载体液体,稳定的胶体悬浮液中的磁性颗粒和约5%至约50%的抗氧化剂。
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公开(公告)号:US5879580A
公开(公告)日:1999-03-09
申请号:US753949
申请日:1996-12-03
申请人: Shiro Tsuda , Mayumi Takayama
发明人: Shiro Tsuda , Mayumi Takayama
IPC分类号: B01J13/00 , C09K15/18 , C10M125/10 , C10N10/16 , C10N40/14 , H01F1/44 , C09K3/00 , C09K15/00
摘要: The present invention relates to a ferrofluid composition having improved oxidation resistance, which contains a carrier liquid, magnetic particles in a stable colloidal suspension, and from more than about 10% to about 400% by weight of an antioxidant based on the weight of the magnetic particles.
摘要翻译: 本发明涉及具有改善的抗氧化性的铁磁流体组合物,其含有载体液体,稳定的胶体悬浮液中的磁性颗粒,以及超过约10%至约400%重量的基于磁性重量的抗氧化剂 粒子。
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