Methods, compositions and articles for olfactory-active substances
AssigneeEnviroscent, Inc.
InventorsNicholas D. McKay, Jeffrey S. Sherwood, Jeffery S. Hsieh, Pedro Antonio Rodriguez
Life of this patent
Estimating the term…
Abstract
The present invention is directed to methods, compositions and articles comprising olfactory-active compositions. An article of the present invention comprises a structural component and an olfactory-active composition. The article may control the release, release rate or absorption of the olfactory-active composition. The article may be of various shapes and sizes. A method of use of an article comprises providing fragrance to an environment.
Claims40
A scented article, comprising, at least one olfactory-active composition, a structural component comprising an absorbent matrix material, and a coating composition covering a portion of the structural component, wherein at least one olfactory-active composition is releasably retained in the absorbent matrix material.
A method for making a scented article, comprising,
- a) adding at least one liquid olfactory-active composition and at least one matrix material or at least one structural component, to a closed container, and in no particular order,
- b) applying a vacuum to the closed container and maintaining the vacuum for a period of time before releasing the vacuum;
- and
- c) pressurizing the closed container and maintaining the pressure for a period of time before releasing the pressure.
A method for making a scented article, comprising,
- a) adding at least one liquid olfactory-active composition and at least one matrix material or at least one structural component to a closed container, and optionally,
- b) applying a vacuum to the closed container and maintaining the vacuum for a period of time before releasing the vacuum;
- or
- c) pressurizing the closed container and maintaining a pressure for a period of time before releasing the pressure.
A scented article, comprising, at least one olfactory-active composition, a structural component comprising a matrix material of extruded or molded pulp composition, wherein the at least one olfactory-active composition is releasably retained in the absorbent material.
Dependencies are inferred from the claim text.