摘要 |
Compounds of the formula (see formula one) wherein M is either (1) a metal ion having a positive charge of +y wherein y is an integer which is at least 2, said metal ion being capable of forming a compound with at least two (see formula two) chromogen moieties, or (2) a metal-containing moiety capable of forming a compound with at least two chromogen moieties, z is an integer representing the number of chromogen moieties associated with the metal and is at least 2, and R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q-, A, and CA are as defined herein. 244
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申请人 |
XEROX CORPORATION |
发明人 |
BANNING, JEFFERY H.;WU, BO;DUFF, JAMES M.;WEDLER, WOLFGANG G.;THOMAS, JULE W., JR.;BRIDGEMAN, RANDALL R. |