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
2004-12-16
2008-03-04
Woodward, Ana (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S423000, C525S430000, C525S436000, C525S432000
Reexamination Certificate
active
07339009
ABSTRACT:
A cross-linked polyimide is disclosed. The cross-linked polyimide includes a polyimide and at least one oxygenated hydrocarbon. The oxygenated hydrocarbon cross-links the polyimide. A porous cross-linked membrane is also disclosed. The porous cross-linked membrane includes a support structure and a cross-linked polyimide disposed on the support structure. The cross-linked polyimide includes a polyimide; and at least one oxygenated hydrocarbon cross-linking the polyimide. Also disclosed are methods of making the cross-linked polyimide and the porous cross-linked membrane.
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General Electric Company
McClintic Shawn A.
Powell, III William E.
Woodward Ana
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