Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2004-01-30
2008-12-23
Mulcahy, Peter D (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S239000, C524S294000, C524S296000, C524S297000, C524S298000
Reexamination Certificate
active
07468411
ABSTRACT:
Novel elastomeric compositions which contain at least one thermoplastic elastomer and at least one phase change solvent and at least one processing oil. The presence of particular processing oils, e.g., poly(alphaolefins), provide a means to increase mechanical properties compared to commercially available mineral oils. The oils of the present invention are chosen as to minimize the depression of glass transition temperature of the hard-block of the thermoplastic elastomer. The phase change behavior of these materials produce elastomeric compositions that exhibit lowered viscosity and lowered processing temperature without substantially compromising the mechanical properties of the elastomeric composition.
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Eichstadt Amy Elizabeth
Hamersky Mark William
Smith Steven Daryl
Krebs Jay A.
McConihay Julie A.
Mulcahy Peter D
Stone Angela Marie
The Procter & Gamble & Company
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