发明授权
- 专利标题: Printing plate precursors
- 专利标题(中): 印版前体
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申请号: US484461申请日: 1990-02-22
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公开(公告)号: US4942111A公开(公告)日: 1990-07-17
- 发明人: John R. Wade , Jeremy R. Burch , Rodney M. Potts
- 申请人: John R. Wade , Jeremy R. Burch , Rodney M. Potts
- 申请人地址: GB2
- 专利权人: Vickers PLC
- 当前专利权人: Vickers PLC
- 当前专利权人地址: GB2
- 优先权: GBX8700599 19870112
- 主分类号: G03F7/11
- IPC分类号: G03F7/11 ; G03C1/00 ; G03F7/00 ; G03F7/09
摘要:
A printing plate precursor comprises a substrate coated with a radiation sensitive composition overcoated with a barrier layer to prevent oxygen inhibiting photopolymerization of the composition. The barrier layer comprises a polymer and an amphoteric compound.
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