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
2005-07-12
2005-07-12
Pezzuto, Helen L. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S244000, C525S308000, C525S309000, C525S314000, C526S222000, C526S223000, C526S328000, C526S346000
Reexamination Certificate
active
06916884
ABSTRACT:
The invention concerns a method for preparing a first generation polymer comprising a step which consists in radical polymerization of a composition containing: at least an ethylenically unsaturated monomer a free radical source, and at least a disulfide compound.
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Pezzuto Helen L.
Rhodia Chimie
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