Sizing composition
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United States of America Patent
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Feb 13, 2007
Grant Date -
Dec 18, 2003
app pub date -
Jun 10, 2003
filing date -
Jun 17, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Novel sizing compositions, their preparation and use. The compositions contain water-dispersible and/or water-soluble and alkylamine-blocked polyisocyanates, film-forming resins, coupling agents and lubricants. The isocyanates are synthesized from at least one polyisocyanate, at least one ionic and/or potentially ionic and/or nonionic compound, and at least one blocking agent which is at least 20% by weight aralkylamines.
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