Compositions: coating or plastic – Coating or plastic compositions – Marking
Reissue Patent
2007-06-26
2007-06-26
Klemanski, Helene (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Marking
C106S031490, C106S031580
Reissue Patent
active
11258587
ABSTRACT:
Oxo anions (both singly and multiply charged), such as phosphates, polyphosphates, and phosphate esters, serve as additives, and in the case of cationic dyes, may serve as replacement counter-ions, for use in thermal ink-jet inks to reduce kogation significantly. The addition of such additive essentially eliminates kogation for the life of ink pens. Further, such additives will prevent kogation for inks containing dyes with negatively-charged water-solubilizing groups, such as sulfonate and carboxylate.
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Foley & Lardner LLP
Hewlett--Packard Company
Klemanski Helene
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