Patent · US Active

Apertured nonwoven webs

US12004932B2 · kind B2 · utility

1Cited by
24References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 2, 2020
Grant dateJun 11, 2024
Priority date
Expiry dateDec 15, 2041

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2013/53035
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An apertured nonwoven web is provided. The apertured nonwoven web comprises carded fibers, a first side, and a second side. The apertured nonwoven web defines a plurality of apertures therein. The apertures may each have a first side aperture size and a second side aperture size, and a ratio of the first side aperture size to the second side aperture size may be between about 1.15:1 to about 1:1.15. The plurality of apertures may have an aperture size regularity of about 1% to about 15%. The plurality of apertures may have an aperture shape regularity between about 1% to about 12%.

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