Ink jet printing method

Incremental printing of symbolic information – Ink jet – Medium and processing means

Reexamination Certificate

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Details

C347S101000, C347S100000, C428S032100

Reexamination Certificate

active

06843560

ABSTRACT:
An ink jet printing method having the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element having a support having thereon, in order, a hydrophilic absorbing layer and a polymeric overcoat layer of a derivitized poly(vinyl alcohol) having at least one hydroxyl group replaced by ether or ester groups, the polymeric overcoat layer also containing a sulfurous acid salt and an ammonium salt; C) loading the printer with an ink jet ink; and D) printing on the image-receiving layer using the ink jet ink in response to the digital data signals.

REFERENCES:
patent: 5856023 (1999-01-01), Chen et al.
patent: 5942335 (1999-08-01), Chen et al.
patent: 6214458 (2001-04-01), Kobayashi et al.
patent: 6224971 (2001-05-01), Tomizawa et al.
patent: 6372329 (2002-04-01), Graczyk et al.

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