发明公开
- 专利标题： Photographic product containing a compound which releases a quaternary salt in an alkaline environment, and compounds in compliance therewith
- 专利标题（中）： 一种照相产品含有释放在碱性剂的季盐，以及它们的化合物的化合物。
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申请号： EP86201394.3申请日： 1986-08-07
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公开(公告)号： EP0212748A2公开(公告)日： 1987-03-04
- 发明人: Dolphin, John M.
- 申请人： POLAROID CORPORATION
- 申请人地址： 549 Technology Square Cambridge, Massachusetts 02139 US
- 专利权人： POLAROID CORPORATION
- 当前专利权人： POLAROID CORPORATION
- 当前专利权人地址： 549 Technology Square Cambridge, Massachusetts 02139 US
- 代理机构： Smulders, Theodorus A.H.J., Ir.
- 优先权： US763817 19850808
- 主分类号： G03C5/54
- IPC分类号： G03C5/54 ; C07D213/30 ; G03C7/26 ; G03C1/06
摘要：
There is described a photographic system wherein development of an exposed photosensitive element with an aqueous alkaline photographic developing composition is effected in the presence of a compound which releases a quaternary salt in alkaline environment. Photographic products and processes utilizing such compounds are also disclosed.
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