Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2009
Patent Application Number
11535466
Date Filed
September 26, 2006
Patent Primary Examiner
Patent abstract
One embodiment of the invention relates to an ink-jet recording apparatus comprising an ink-jet head with an ink passage having an inner volume and a preservative in the ink passage in a preservative residual ratio of no greater than 10%. Another embodiment of the invention relates to a preservative having water, a penetrant, and a humectant. A further embodiment of the invention relates to a processing method involving filling an inner volume of an ink passage in an ink-jet recording apparatus with a preservative and removing a portion of the preservative from the inner volume such that a preservative residual ratio is no greater than 10%.
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