Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Reexamination Certificate
2006-04-03
2011-11-29
Peng, Kuo-Liang (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
C528S034000
Reexamination Certificate
active
08067519
ABSTRACT:
A method of preparing a diluted chain extended organopolysiloxane containing polymer comprising the steps of reacting a pre-formed polymer with a suitable chain extender reactable with terminal groups of the polymer in the presence of a diluent material, a suitable catalyst and optionally an end-blocking agent; and Where required quenching the polymerization process wherein the diluent material is substantially retained within the resulting diluted organopolysiloxane containing polymer. The case additionally relates to products of the process and subsequent applications for the polymer such as for example sealants and rubbers.
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Detemmerman Tommy
Drake Robert
Lavinaro Giuseppina
Maton Isabelle
Willieme Jean
Dow Corning Corporation
Howard & Howard Attorneys PLLC
Peng Kuo-Liang
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