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
2005-04-26
2005-04-26
Seidleck, James J. (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S064000, C525S069000, C525S316000
Reexamination Certificate
active
06884844
ABSTRACT:
A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multimodal polymer particle dispersions are disclosed for preparing impact modifiers that can be dried to a powder. Also provided are polymeric compositions having a matrix resin component and impact modifiers prepared from multimodal polymer particles.
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Adamo Joseph Robert
Hamilton Raymond Gerard
Petoff Jennifer Lynn
Wills Morris Christopher
Asinovsky Olga
Bodner Marcella M.
Chirgott Paul
Rohm and Haas Company
Seidleck James J.
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