Antimicrobial concentrates

Details Antimicrobial concentrates Antimicrobial concentrates

2005-12-27

2005-12-27

Clardy, S. Mark (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

C424S486000, C424S487000, C514S772000, C514S772100, C514S772400, C523S122000

Reexamination Certificate

active

06979455

ABSTRACT:
An antimicrobial concentrate is manufactured from a carrier, one or more antimicrobial agents and optionally one or more modifiers, the carrier having a modified ethylene polymer and optionally an olefin polymer and a method of producing the concentrate by producing the carrier, having the modified ethylene polymer and optionally the olefin polymer, then compounding the carrier with one or more antimicrobial agents and optionally one or more modifiers, to form the concentrate, which does not exhibit chalking and clumping of antimicrobial agent on the surface thereof. An antimicrobial blend that is manufactured from the antimicrobial concentrate, a resin and optionally an additive and a method of producing the blend by combining the concentrate with the resin. An antimicrobial product that is formed by producing a blend, then molding or extruding the blend to form the product, which provides desired antimicrobial efficacy and does not exhibit taste and odor issues associated with food and liquids meant for human consumption, due to leaching of the antimicrobial agent from the surface of the polymeric matrix.

REFERENCES:
patent: 5489281 (1996-02-01), Watanabe et al.
patent: 6620474 (2003-09-01), Regnier et al.
patent: 6653523 (2003-11-01), McCormack et al.

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