DUAL-FUNCTION MELT ADDITIVES
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United States of America Patent
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Issued Date -
Dec 1, 2022
app pub date -
Oct 15, 2020
filing date -
Oct 15, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
Charged polymeric webs, such as electret webs, include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a dual-function charge-enhancing additive that enhances the charge of the electret and also has anti-microbial properties. The additives are substituted-benzimidazole or substituted-benzothiazole compounds. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B03C:MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATE....
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
- B01D:SEPARATION
- D04H:MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAME....
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