Patent · US Active

Producing fibers using spinnerets

US11674241B2 · kind B2 · utility

0Cited by
53References
23Claims
0Family size

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Inventors

Key dates

Filing dateNov 4, 2020
Grant dateJun 13, 2023
Priority date—
Expiry dateFeb 2, 2041

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/755
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Systems and methods can be used to produce fibers with external corrugations, internal corrugations, or both. These fibers can be used, for example, in hollow fiber membrane modules.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.