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
2006-06-14
2011-12-20
Woodward, Ana (Department: 1765)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S434000, C525S437000, C525S448000, C525S450000
Reexamination Certificate
active
08080617
ABSTRACT:
The invention is a method for increasing the molecular weight of and optionally providing branching in a polymer which has a first repeat unit, which comprises the residual of a condensation reaction of an aliphatic dicarboxylic acid and either a bisamide diol or a bis diamide diester, and a second repeat unit, which comprises the residual of a condensation reaction of a diol and an aliphatic dicarboxylic acid. The invention is also the branched polymer that can be made by such a method.
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Broos Rene
Koopmans Rudolf J.
Dow Global Technologies LLC
Woodward Ana
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