Coating processes – With post-treatment of coating or coating material – Liquid extraction of coating constituent or cleaning coating
Reexamination Certificate
2008-05-19
2010-06-29
Komakov, Michael (Department: 1792)
Coating processes
With post-treatment of coating or coating material
Liquid extraction of coating constituent or cleaning coating
C427S256000, C427S387000, C427S394000, C427S395000, C428S327000, C428S387000, C428S394000, C428S395000, C428S404000, C428S331000, C428S332000, C428S446000, C428S452000
Reexamination Certificate
active
07744959
ABSTRACT:
The present invention is drawn to a method of preparing a porous media substrate, comprising combining metal or semi-metal oxide particulates with a polymeric binder, wherein the metal or semi-metal oxide particulates are associated with at least one water soluble coating formulation additive. At least a portion of the water soluble coating formulation additive i) is in the form of unreacted additive, or ii) generates undesired electrolytes. Additional steps include removing at least a portion of the unreacted additive or undesired electrolytes, either before or after combining the metal or semi-metal oxide particulates with the polymeric binder, thereby forming a refined coating composition; and applying the refined coating composition to a media substrate to form an ink-receiving layer having a porous surface.
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Notice of JP OA Dated Jan. 25, 2010.
Bangaru Sandeep
Bi Yubai
Burch Eric Lee
Chen Tien-teh
Zargarian Kimberly
Hewlett--Packard Development Company, L.P.
Komakov Michael
Weddle Alexander
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