US Patent 7960503 Continuous washing of poly(vinyl butyral)
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Patent abstract
The present invention provides a method for continuously washing poly(vinyl butyral) in which a poly(vinyl butyral) slurry is passed through multiple continuous stirred tank reactors, each of which is adjusted to specific processing parameters that allow for continuous input, washing, and removal of poly(vinyl butyral). The resulting poly(vinyl butyral) can then be dried to form a powder resin that can be used in place of conventional poly(vinyl butyral) resin. In an alternative embodiment, a counter current screw washing unit is provided that passes wash water over the poly(vinyl butyral) in a direction opposite to the flow of the poly(vinyl butyral), thereby allowing the continuous washing of the poly(vinyl butyral) resin.
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Patent Inventor Names
Nandan Ukidwe0
Paul Van Lierde0
Pol D'Haene0
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US Patent 07960503 Continuous washing of poly(vinyl butyral) US Patent 7960503 Continuous washing of poly(vinyl butyral)
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Patent Number
079605030
Patent Number
79605030
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
079605030
Date of Patent
June 14, 2011
0Patent Application Number
124723530
Date Filed
May 26, 2009
0Patent Primary Examiner
Edits on 7 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 07960503 Continuous washing of poly(vinyl butyral)
Infobox
Is a
Patent jurisdiction
Patent number
07960503
Date of patent
June 14, 2011
Patent application number
12472353
Date Filed
May 26, 2009
Patent primary examiner
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