Hollow porous fibers
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United States of America Patent
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Sep 26, 2023
Grant Date -
N/A
app pub date -
Sep 21, 2021
filing date -
Jun 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A hollow fiber that generally extends in a longitudinal direction is provided. The hollow fiber comprises a hollow cavity that extends along at least a portion of the fiber in the longitudinal direction. The cavity is defined by an interior wall that is formed front a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined in the composition that includes a plurality of nanopores.
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International Classification(s)
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B82Y:SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; ....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- A61F:FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- D02J:FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
- A61L:METHODS OR APPARATUS FOR STERILISING MATERIALS OR ....
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
- B01D:SEPARATION
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