Colored copolymers of cyclopentadiene and indole or pyrrole |
|||||||
| 申请号 | US22588262 | 申请日 | 1962-09-24 | 公开(公告)号 | US3247172A | 公开(公告)日 | 1966-04-19 |
| 申请人 | EASTMAN KODAK CO; | 发明人 | FABER JAN W H; | ||||
| 摘要 | |||||||
| 权利要求 | 1. A SOLID COPOLYMER CONSISTING ESSENTIALLY OF FROM 20-80% BY WEIGHT OF RECURRING CYCLOPENTADIENE UNITS AND FROM 80-20% BY WEIGHT OF RECURRING UNITS SELECTED FROM THE GROUP CONSISTING OF INDOLE UNITS, PYRROLE UNITS AND A MIXTURE OF INDOLE AND PYRROLE UNITS, THE SAID COPOLYMER BEING IN THE HALIDE SALT FORM AND HAVING A MOLECULAR WEIGHT OF FROM 300 TO 2000. |
||||||
| 说明书全文 | |||||||
QQ群二维码
意见反馈
意见反馈