发明授权
EP0869981B1 CARBOXYLIC ACID FUNCTIONAL POLYURETHANE POLYMERS AND BLENDS THEREOF USED IN MAGNETIC RECORDING MEDIA
失效
炭酸功能,在动用了磁记录介质的聚氨酯聚合物及其混
- 专利标题: CARBOXYLIC ACID FUNCTIONAL POLYURETHANE POLYMERS AND BLENDS THEREOF USED IN MAGNETIC RECORDING MEDIA
- 专利标题(中): 炭酸功能,在动用了磁记录介质的聚氨酯聚合物及其混
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申请号: EP96939720.7申请日: 1996-11-11
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公开(公告)号: EP0869981B1公开(公告)日: 2001-10-04
- 发明人: CARLSON, James, G. , ROTTO, Nelson, T. , ANDERSON, Jeffrey, T. , SPAWN, Carol-Lynn , BLAGEV, Albena, V.
- 申请人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 申请人地址: 3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 US
- 专利权人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 当前专利权人: MINNESOTA MINING AND MANUFACTURING COMPANY
- 当前专利权人地址: 3M Center, P.O. Box 33427 St. Paul, Minnesota 55133-3427 US
- 代理机构: VOSSIUS & PARTNER
- 优先权: US576616 19951221
- 国际公布: WO9723526 19970703
- 主分类号: C08G18/08
- IPC分类号: C08G18/08 ; G11B5/702
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