PROCESS AND APPARATUS FOR PRODUCING ELECTROSTATICALLY CHARGED FIBRES AND AN ELECTRET PRODUCT

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United States of America Patent

APP PUB NO 20230279599A1
SERIAL NO

18116393

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Abstract

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Techniques produce electrostatically charged fibres, and in particular produce an electret fibre construct, where fibres are produced from a plastics and/or natural-origin material, where a polar liquid is atomized using a gaseous pressure medium to produce a treatment aerosol and where the fibres are treated with the treatment aerosol for electrostatic charging, wherein the atomizing is undertaken with a quotient of the volume flow of the polar liquid in litres per second and the positive pressure of the gaseous pressure medium in hectopascals of 0.004 to 0.008.

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Patent Owner(s)

Patent OwnerAddress
OERLIKON TEXTILE GMBH & CO KGTHE GERMAN CITY OF REMSCHEID

International Classification(s)

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  • 2023 Application Filing Year
  • D06B Class
  • 41 Applications Filed
  • 10 Patents Issued To-Date
  • 24.40 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berkemann, Ralph Albstadt, DE 7 32
Knabe, Frank Kirchbarkau, DE 1 0
Millies, René Kiel, DE 1 0

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  • D06B Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges30201 - 1002468101214161820222426283032

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