Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2009-12-03
2011-11-01
Cain, Edward (Department: 1762)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S204000, C523S207000, C523S209000, C523S210000
Reexamination Certificate
active
08048941
ABSTRACT:
The present invention is directed to a particulate composite of silica and elastomer comprising a porous silica shell at least partially surrounding a core of diene based elastomer, with at least part of the elastomer extending through at least some of the pores of the porous silica shell.
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Koster Georges
Lauer Wolfgang
Cain Edward
DeLong John D.
The Goodyear Tire & Rubber Company
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