Ink set for inkjet printers

Compositions: coating or plastic – Coating or plastic compositions – Marking

Reexamination Certificate

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C106S031580, C106S031860, C106S031890

Reexamination Certificate

active

06964702

ABSTRACT:
An ink set for an inkjet printer comprises a first ink and at least one second ink. The first ink comprises at least one first colorant, a first media, and at least one first non-ionic surfactant. The first media comprises water. The at least one first non-ionic surfactant has a first HLB (Hydrophilic Lipophilic Balance) value. The at least one second ink comprises at least one second colorant, a second media, and at least one second non-ionic surfactant. The at least one second colorant provides corresponding color of the second ink. The second media comprises water. The at least one second non-ionic surfactant has a second HLB value. The first HLB value is smaller than or equal to the second HLB value.

REFERENCES:
patent: 5536306 (1996-07-01), Johnson et al.
patent: 5626655 (1997-05-01), Pawlowski et al.
patent: 5730790 (1998-03-01), Rehman
patent: 5749951 (1998-05-01), Yoshiike et al.
patent: 6036759 (2000-03-01), Wickramanayake et al.
patent: 6051645 (2000-04-01), Suzuki et al.
patent: 6706104 (2004-03-01), Takuhara et al.
patent: 2003/0081086 (2003-05-01), Suzuki et al.
patent: 1242400 (2000-01-01), None
patent: 1082072 (2003-04-01), None

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