| 发明名称 |
INFORMATION CARRYING DISCS |
| 摘要 |
Information carrying discs, such as video discs, tend to be damaged by marking, abrading and grease or solvent. It has been found that transparent polymeric compositions having a specified resistance to abrasion may be used in the formation of information carrying discs. |
| 申请公布号 |
DE3070822(D1) |
申请公布日期 |
1985.08.01 |
| 申请号 |
DE19803070822 |
申请日期 |
1980.12.23 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
LEWIS, TERRY W.;ANDERSON, ROGER J.;KERFELD, DONALD J.;LIEN, LARRY A. |
| 分类号 |
C08G59/02;B32B3/30;C08G59/00;C08G77/14;G11B3/20;G11B3/70;G11B7/24;G11B11/00;G11B23/00;G11B23/18;H04N5/76;(IPC1-7):B32B3/30 |
主分类号 |
C08G59/02 |
| 代理机构 |
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代理人 |
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