Method of manufacture air freshening article
AssigneeFresh Products, Inc.
InventorsDouglas S. Brown, Jeffrey A. Smith
Life of this patent
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Abstract
An air freshening article, such as a deodorizing urinal screen, includes a body that is formed from a fragranced plastic that includes a plastic loaded with a fragrance material. The fragrance material is included in an amount of at least 15% by weight of the fragranced plastic. A method of producing a deodorizing urinal screen includes a fragrance loading stage in which a plastic is loaded with a fragrance material to produce a fragranced plastic. The fragranced plastic includes at least 15 wt % fragrance material. In a molding stage subsequent to the fragrance loading stage, the fragranced plastic is molded into the urinal screen.
Claims20
A method of producing an air freshening article comprising the steps of:
- providing EVA having a melting point of not greater than 250° F.;
- in a fragrance loading stage, loading said EVA with from at least 15% to about 75% by weight of fragrance material to produce a fragranced EVA, said fragrance loading stage conducted at a temperatures such that said fragranced EVA is from at least 15% by weight fragrance upon completion of said fragrance loading stage;
- and
- in a molding stage subsequent to the fragrance loading stage, molding the fragranced EVA into a urinal screen comprising a screen body sized and shaped to be disposed over a urinal drain, said molding step comprising forming openings in said screen body, said molding stage conducted at a temperature such that said urinal screen is at least 15% by weight of fragrance material.
Dependencies are inferred from the claim text.