Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-12-29
2010-12-07
Jagannathan, Vasu (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S055000, C525S540000, C525S902000, C525S070000, C525S071000, C525S074000, C525S056000, C525S058000, C428S407000
Reexamination Certificate
active
07847027
ABSTRACT:
The present invention discloses a method of making core-shell polymer particles, comprising forming a linking-group-containing polymer by derivatizing a hydroxy-group-containing polymer, comprising hydroxy groups on adjacent carbon atoms with a linking agent, that is a compound comprising both an aldehyde moiety and an amine moiety, wherein one or more acetal moieties are formed in the linking-group-containing polymer, each acetal formed by the reaction of the aldehyde moiety in the linking agent with two hydroxy groups in the linking-group-containing polymer, wherein the amine moiety then becomes a linking group pendent from the linking-group-containing polymer, wherein the linking group is capable of reacting with a precursor group in the precursor polymer. Also disclosed are compositions comprising insoluble core-shell particles made by the method.
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Bringley Joseph F.
DeMejo Lawrence P.
Emrick Todd
Ghyzel Peter J.
Giacherio David J.
Anderson Andrew J.
Eastman Kodak Company
Jagannathan Vasu
Konkol Chris P.
Krylova Irina
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