US Patent 7528192 Crosslinked polyvinyl acetals
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Patent Inventor Names
Bernd Papenfuhs0
Martin Steuer0
Matthias Gutweiler0
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Patent abstract
The invention relates to a method for producing crosslinked polyvinyl acetals, according to which a vinyl alcohol copolymer is reacted with at least one polyaldehyde and is partly esterified.
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US Patent 07528192 Crosslinked polyvinyl acetals US Patent 7528192 Crosslinked polyvinyl acetals
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Patent Number
075281920
Patent Number
75281920
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Official Website
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Patent Jurisdiction
Patent Number
075281920
Date of Patent
May 5, 2009
0Patent Application Number
105420220
Date Filed
December 12, 2003
0Official Website
Patent Primary Examiner
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US Patent 07528192 Crosslinked polyvinyl acetals
Infobox
Is a
Patent jurisdiction
Patent number
07528192
Date of patent
May 5, 2009
Patent application number
10542022
Date Filed
December 12, 2003
Patent primary examiner
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