发明授权
- 专利标题: Water based magnetic inks and the manufacture thereof
- 专利标题(中): 水性磁性油墨及其制造
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申请号: US507850申请日: 1974-09-20
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公开(公告)号: US3990981A公开(公告)日: 1976-11-09
- 发明人: Zlata Kovac , Barbara A. Gardineer
- 申请人: Zlata Kovac , Barbara A. Gardineer
- 申请人地址: NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: NY Armonk
- 主分类号: H01F41/16
- IPC分类号: H01F41/16 ; H01F1/00 ; C09D11/00
摘要:
Water based magnetic ink containing non-ionic wetting agent and cationic surfactant.
公开/授权文献
- US4470974A Gastric cytoprotection with L-363,586 公开/授权日:1984-09-11
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