Patent ID: 6234601
Filing Date: 2001-05-22
Classification: B41J,B41M,C09D

Abstract:
An ink jet recording method comprising(a) providing a first black ink composition comprising a pigment as a colorant;(b) providing a second black ink composition comprising a dye as a colorant;(c) providing a recording medium that either (i) is plain paper or (ii) comprises a gloss layer, an ink receptive layer or both; and(d) forming print on the recording medium with either the first black ink composition or the second black ink composition or both, wherein (i) when the recording medium comprises the gloss layer, the ink-receptive layer or both, only the second black ink composition comprising the dye as the colorant is printed on the recording medium and (ii) when the recording medium is plain paper, both the first black ink composition comprising the pigment as the colorant and the second black ink composition comprising the dye as the colorant arc printed on the recording medium.