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
2011-07-01
2011-12-27
Jagannathan, Vasu (Department: 1764)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C210S500410, C210S500420, C524S113000, C524S525000, C524S528000, C524S515000, C525S333500, C525S313000, C525S315000, C525S291000, C525S330300, C525S330400, C526S287000, C526S319000, C526S328000, C526S328500, C526S329000, C526S329200, C526S329700
Reexamination Certificate
active
08084546
ABSTRACT:
A method for varying the transport properties of a film cast from a polymer having at least two polymer end blocks A and at least one polymer interior block B wherein each A block is a polymer block resistant to sulfonation and each B block is a polymer block susceptible to sulfonation, and wherein said A and B blocks do not contain any significant levels of olefinic unsaturation. The method includes casting the polymer using a solvent mixture having two or more solvents selected from the group consisting of polar solvents and non-polar solvents.
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Handlin, Jr. Dale Lee
Mather Brian Douglas
Trenor Scott Russell
Willis Carl Lesley
Boyle Robert C
Jagannathan Vasu
Kraton Polymers U.S. LLC
Masse Michael A.
Novak Druce & Quigg
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