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US Patent 8444890 Method of manufacturing a foam composition roller brush

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Patent Citations Received
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US Patent 12023853 Polishing articles and integrated system and methods for manufacturing chemical mechanical polishing articles
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US Patent 11986922 Techniques for combining CMP process tracking data with 3D printed CMP consumables
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US Patent 11980992 Integrated abrasive polishing pads and manufacturing methods
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US Patent 11964359 Apparatus and method of forming a polishing article that has a desired zeta potential
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Patent abstract

The invention is directed toward a chemical mechanical polishing/planarizing (CMP) brush with an embedded mandrel. PVA foam injected into the substantially hollow mandrel expands through apertures in the mandrel to fill a mold in the desired shape of the brush with the foam in the mandrel being integral with the outer foam covering the brush.

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Patent Citations Received
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US Patent 11685014 Formulations for advanced polishing pads
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US Patent 08444890 Method of manufacturing a foam composition roller brush US Patent 8444890 Method of manufacturing a foam composition roller brush

Infobox
Patent Number
0844489000
Patent Number
844489000
Edits on 28 Mar, 2023
"Entity importer update"
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edited on 28 Mar, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
084448900
Date of Patent
May 21, 2013
0
Patent Application Number
130649730
Date Filed
April 28, 2011
0
Patent Primary Examiner
Christina Johnson
Christina Johnson
0
Edits on 27 Sep, 2022
"Entity importer update"
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Golden AI
edited on 27 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
084448900
Date of Patent
May 21, 2013
0
Patent Application Number
130649730
Date Filed
April 28, 2011
0
Patent Primary Examiner
Christina Johnson
Christina Johnson
0
Edits on 16 Dec, 2021
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created this topic on 16 Dec, 2021
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Infobox (+7 properties)
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 US Patent 08444890 Method of manufacturing a foam composition roller brush

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
08444890
Date of patent
May 21, 2013
Patent application number
13064973
Date Filed
April 28, 2011
Patent primary examiner
Christina Johnson
Christina Johnson

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