Polymer, polymer microfiber, polymer nanofiber and...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,...

Reexamination Certificate

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C428S903000, C442S340000, C442S351000, C055S482000, C055S486000, C055S487000, C055S527000, C055S528000

Reexamination Certificate

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06924028

ABSTRACT:
Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.

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patent: 6716274 (2004-04-01), Gogins et al.
patent: 6743273 (2004-06-01), Chung et al.

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