Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-11-07
2006-11-07
Teskin, Fred (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S081000, C526S219600, C526S230500, C526S232100, C526S232500, C525S260000, C525S263000, C525S265000, C525S316000, C521S056000, C521S146000
Reexamination Certificate
active
07132485
ABSTRACT:
The invention relates to a suspension polymerization process for the preparation of styrene-containing (co)polymers, wherein the process comprises the steps of continuously or semi-continuously dosing an initiator to the reaction mixture, said initiator having a specified half-life at the temperature of the reaction mixture to which it is dosed. The invention further relates to styrene based (co)polymer obtainable by said process, and to the use of said styrene (co)polymer in a shaping process.
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Boevenbrink Hendrikus Gerardus
Hoogesteger Frans Johannes
Akzo Nobel N.V.
Oliff & Berridg,e PLC
Teskin Fred
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