Apparatus, system, and method for forming nanofibers and nanofiber webs

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9382643
SERIAL NO

13390557

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A nozzle, die, apparatus, system and method for forming a fiber population having a median diameter less than one micrometer, and nonwoven fibrous webs including a population of such sub-micrometer fibers. The nozzle includes a first conduit having a first terminal end, a second conduit positioned coaxially around the first conduit and having a second terminal end proximate the first terminal end, wherein the first and second conduit form an annular channel between the first and second conduit, and additionally wherein the first terminal end extends axially outwardly beyond the second terminal end. The die includes at least one such nozzle, and the apparatus and system include at least one such die. Methods of making nonwoven fibrous webs including a population of sub-micrometer fibers, and articles including such nonwoven fibrous webs, are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYPO BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

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  • 2010 Application Filing Year
  • D01D Class
  • 127 Applications Filed
  • 104 Patents Issued To-Date
  • 81.89 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances201020112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berrigan, Michael R Oakdale, US 94 2040
Klinzing, William P West Lakeland, US 20 1304
Kopecky, William J Hudson, US 80 725
Moore, Eric M Roseville, US 32 771
Zillig, Daniel J Cottage Grove, US 21 130

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Patent Citation Ranking

  • 10 Citation Count
  • D01D Class
  • 33.33 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges346151101 - 1011 - 2021 - 3031 - 4005101520253035404550556065

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