申请人:POLAROID CORPORATION
公开号:EP0055900A1
公开(公告)日:1982-07-14
Novel amino hydroxy cyclohexenones have the formula
wherein R1, R2, R3 and R4 each are alkyl, usually containing 1 to 20 carbon atoms. They are useful as photographic silver halide developing agents in photographic processes and may be present in photographic products including a silver halide layer and in photographic processing compositions including aqueous alkali.
新型氨基羟基环己烯酮的化学式为
其中 R1、R2、R3 和 R4 各为烷基,通常含有 1 至 20 个碳原子。它们在照相过程中可用作照相卤化银显影剂,并可存在于包括卤化银层的照相产品和包括水碱的照相冲洗组合物中。