Last modified on 26 September 2013, at 03:34

Non-wovens

Revision as of 03:34, 26 September 2013 by Manikandan.b (Talk | contribs) (Non Wovens for Skin care wipes)

Introduction

Nonwoven textiles are those which are neither woven nor knit, for example felt. General use hyphenates the word, but industrial use spells it as one word. Non-wovens are typically not strong (unless reinforced by a backing or densified). In the recent years non-woven material has become an alternative to polyurethane foam.
Non-woven fabric is typically manufactured by putting small fibers together in the form of a sheet (web) and then binding them either mechanically (as in the case of felt, by interlocking them with serrated needles such that the inter-fiber friction results in a stronger fabric), with an adhesive, or thermally {by applying binder(in the form of powder, paste, or polymer melt) and melting the binder onto the web by increasing temperature}.

Raw material

Non-woven materials are nowadays mainly produced from man-made fibers. Two synthetic polymers dominate the market: polypropylene and polyesters (mainly PET). Nonwovens are often application-designated as either durable or disposable. Nonwoven used as a housewrap to prevent water infiltration is a durable nonwoven. Nonwoven used as a facing on a baby diaper is a disposable or single-use nonwoven.

Application

Non-woven materials are used in numerous applications, including:

Hygiene
  • Baby diapers
  • Feminine hygiene
  • Adult incontinence products
  • Wipes
  • Bandages and wound dressings
Medical
  • Isolation gowns
  • Surgical gowns
  • Surgical drapes and covers
  • Surgical scrub suits
  • Caps
Technical
  • Roll roofing and shingle reinforcement
  • Insulation backing
  • Battery electrode separators
  • Vinyl flooring reinforcement
  • Plastic surface reinforcement (veils)
  • Wall coverings
  • Honeycomb structural components
  • Ceiling tile facings
  • Circuit board reinforcement
  • Electrical insulation
Geotextiles
  • Soil stabilizers and roadway underlayment
  • Agriculture mulch
  • Pond and canal water barriers
  • Sand infiltration barrier for drainage tile
Other
  • Carpet backing (primary and secondary)
  • Composites
    • Marine sail laminates
    • Table cover laminates
  • Backing/Stabilizer for machine embroidery
  • Thermal insulation (fiberglass quilting/batting)
  • Pillows, cushions, and upholstery padding
  • Batting in quilts or comforters
  • Consumer and medical face masks
  • Tarps, tenting and transportation (lumber, steel) wrapping
  • Disposable clothing (foot coverings, coveralls)

Sample IP analysis

  • Area: Baby diapers and Feminine hygiene.
  • Search: Based on title, abstract and claims for some major companies in this field.

Year wise IP activity

  • Based on title, abstract and claims for some major companies in this field.The graph is based on the patents of Kimberly-Clark Corp, Johnson & Johnson, Procter & Gamble, and Playtex from 1836 to 2006.
Year wise IP activity

Competitive analysis

Competitive analysis

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Sample analysis of some patents

  • This information is according to analysis of 27 patents.
Sample analysis
Design patents
  • Classification of Design patents
Design Total records Kimberly Clark Procter & Gamble Johnson & Johnson Playtex
Absorbent pad 11 2 5 4 0
Attaching napkin to garment 1 1 0 0 0
Fastening means 1 0 0 1 0
Shoulder strap pad for bra 1 0 0 0 1
Tampon 2 0 0 0 2
Design patents

Pictorial analysis

Absorbent pad

Des1.jpg
111.jpg
Des3.jpg
666.jpg
222.jpg
333.jpg
Des7.jpg
Des8.jpg
Des9.jpg
555.jpg

Attaching napkin to garment

Napkin.jpg

Fastening means

Fasten.jpg

Shoulder strap pad for bra

Shoulder.jpg

Tampon

Tampon11.jpg
Tampon22.jpg

Production patents

  • Classification of Production patents
Production Total records Kimberly Clark Procter & Gamble Johnson & Johnson Playtex
Absorbent pad 6 2 2 2 0
Odour removing composition 2 1 1 0 0
Wrapper 1 1 0 0 0
Elastic 1 1 0 0 0
Tampon 1 1 0 0 0
Production patents

Non Wovens for Skin care wipes

IP Activity

Based on Publication Year

NWSCW Pub yr.jpg

Based on Priority Year

NWSCW Pri yr.jpg

Geographical Distribution

NWSCW Geo D.jpg

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