Absorbent article with seal and method of manufacturing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7842021
APP PUB NO 20070293840A1
SERIAL NO

11457635

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Absorbent articles with waist seals are disclosed. The seals are formed from folded stacks, discrete segments, or pleated material arranged to provide a resiliently compressible seal that can be located at one or more locations within the absorbent article, e.g., along a central portion of the rear waist region of a diaper. The seals may be constructed from relatively thin materials that (through folding, stacking, pleating, etc.) can provide a resiliently compressible seal that is thick enough and appropriately shaped to conform to the wearer's anatomy well enough to provide the desired sealing. At the same, time, the continuous web material used to form the seal is preferably thin enough to be economically delivered to the manufacturing line in roll form. The seals may be provided in the form of compressed seals that expand when one or more openings are formed in a sealed cavity containing compressed resilient material.

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Patent Owner(s)

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

International Classification(s)

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  • 2006 Application Filing Year
  • B27D Class
  • 9 Applications Filed
  • 7 Patents Issued To-Date
  • 77.78 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20062007200820092010201120122013201420150255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alberg, Randall L Maplewood, US 27 841
Wood, Leigh E Woodbury, US 95 3649

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Patent Citation Ranking

  • 11 Citation Count
  • B27D Class
  • 75 % this patent is cited more than
  • 15 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges311 - 1011 - 2000.20.40.60.811.21.41.61.822.22.42.62.833.2

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