Antimicrobial concentrates containing non-yellowing agents

Details Antimicrobial concentrates containing non-yellowing agents Antimicrobial concentrates containing non-yellowing agents

2005-02-08

2005-02-08

Sanders, Kriellion A. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S091000, C524S099000, C524S200000, C524S343000, C524S344000, C424S078310, C424S078370

Reexamination Certificate

active

06852776

ABSTRACT:
An antimicrobial concentrate is manufactured from a carrier, a non-yellowing agent, one or more antimicrobial agents and optionally one or more modifiers, the carrier having a modified ethylene polymer and optionally an olefin polymer, and method of producing the concentrate by producing the carrier, having the modified ethylene polymer and optionally the olefin polymer, then compounding the carrier with a non-yellowing agent, 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 method of producing the blend by combining the concentrate with the resin. An antimicrobial product, containing a non-yellowing agent, that is formed by producing the blend then molding or extruding the blend to form the product, which provides for desired antimicrobial efficacy and does not exhibit either 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, or yellowing of the polymeric matrix of the product.

REFERENCES:
patent: 5945457 (1999-08-01), Plate et al.
patent: 6441116 (2002-08-01), Shikuma et al.
patent: 6677473 (2004-01-01), Madison et al.
patent: 6706855 (2004-03-01), Collins et al.

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