US 6,550,474 B1 · Microencapsulated fragrances and methods of coating microcapsules

Abstract

Nasal dilators and strips, methods of their manufacture, and methods for improving the breathing of individuals are provided. The strips and dilators include an elongated substrate, with or without a dilating component or portion, having top and bottom surfaces and a pressure-sensitive adhesive disposed on the bottom surface. The dilator is designed to provide a gentle expanding force to the nasal wall tissue when the dilator is adhesively attached to the nose. This invention further includes a cosmetic fragrance, an aromatic medication and/or transdermal medication disposed on the strips or dilators. In order to improve the shelf-life and in-use olfactory effectiveness of such products, fragrance delivery mechanisms are used. Separation of volatile oils and adhesives are also provided to minimize adhesive residue.

Claims22

Dependent claims

A nasal strip for adhesive application to an external nasal wall tissue of a wearer, comprising:

an elongated flexible layer including a top surface and a bottom surface, and resilient means for providing a gentle expanding force to said external nasal wall tissue when said nasal strip is adhesively attached, said elongated flexible layer sized to comfortably fit across a bridge portion of a nose of said wearer;
a pressure sensitive adhesive layer disposed on the a bottom surface of said flexible layer;
an aromatic substance disposed on a portion of said nasal strip in an olfactory effective amount;
and
a microcapsule of from about 25-55 microns for extending the olfactory effectiveness of said aromatic substance.

2 more elements

Dependencies are inferred from the claim text.

Microencapsulated fragrances and methods of coating microcapsules

Life of this patent

Microencapsulated fragrances and methods of coating microcapsules

Life of this patent

Abstract

Claims22