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公开(公告)号:US3764321A
公开(公告)日:1973-10-09
申请号:US3764321D
申请日:1971-08-25
申请人: AGFA GEVAERT AG
发明人: KONIG A , KAMPFER H , OHLSCHLAGER H
IPC分类号: C07D231/08 , C07D231/20 , C07D231/22 , C07D231/26 , C07D231/28 , C07D231/34 , C07D231/50 , C07D231/52 , C07D231/56 , C07D239/60 , C07D261/08 , C07D263/46 , C07D295/194 , C07D307/46 , C07D333/64 , C07D333/74 , C07D495/04 , C09B23/01 , C09B23/14 , G03C1/73 , G03C5/56 , G03C5/54
CPC分类号: C07D231/56 , C07D231/08 , C07D231/20 , C07D231/22 , C07D231/26 , C07D231/28 , C07D231/34 , C07D231/50 , C07D231/52 , C07D239/60 , C07D261/08 , C07D263/46 , C07D295/194 , C07D307/46 , C07D333/64 , C07D333/74 , C07D495/04 , C09B23/005 , C09B23/0058 , C09B23/143 , G03C1/73 , G03C5/56
摘要: A PROCESS FOR THE PRODUCTION OF COPIES BY IMAGEWISE EXPOSURE OF A LIGHT SENSITIVE LAYER WHICH CONTAINS A SENSITIZER AND AN IMAGE PRODUCING COMPOUND WHICH IS TRANSFERABLE TO AN IMAGE RECEIVING LAYER, THE IMAGE PRODUCING COMPOUND IN THE EXPOSED AREAS BEING CONVERTED INTO A NONTRANSFERABLE COMPOUND CONTACTING THE EXPOSED LAYER WITH AN IMAGE RECEIVING LAYER WHICH CONTAINS COMPOUNDS WHICH REACT WITH THE IMAGE PRODUCING COMPOUND TO FORM COLORED COMPOUNDS, AND HEATING OF THE LAYERS WHICH ARE IN CONTACT WITH EACH OTHER TO A TEMPERATURE AT WHICH THE IMAGE PRODUCING COMPOUND IN THE UNEXPOSED AREAS OF THE LIGHT SENSITIVE LAYER IS TRANSFERRED TO THE IMAGE RECEIVING LAYER. IN THE PROCESS IS USED A LIGHT SENSITIVE LAYER WHICH CONTAINS AS LIGHT SENSITIVE COMPOUNDS, SELECTED NEUTROSTYRYL DYES, AS IMAGE PRODUCING TRANSFERABLE COMPOUND, A REDUCING AGENT WHICH IS TRANSFERABLE AT A TEMPERATURE OF BETWEEN 80*C. AND 200*C9 AND WHICH IS CONVERTED INTO NON-VOLATILE REACTION PRODUCTS WHEN THE MATERIAL IS EXPOSED.