Multi-laminate fragrance release device

Claim 2

A multi-layered multi-laminate sustained release device capable of releasing fragrances at a controlled rate for a prolonged period of time comprising a first layer of a pressure sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied, a third layer of a fragrance impregnated matrix which is a silicone material selected from the group consisting of silicone elastomers, silicone elastomers having adhesive characteristics, and elastomeric silicone pressure sensitive adhesives, a fourth layer of a permeable facestock backing member on the surface of the device for controlling the rate of release of the fragrance from the impregnated matrix, the fragrance in the impregnated matrix constituting of from about one-half of one percent to about forty percent by weight of the impregnated matrix, the matrix including a release rate modifying excipient for increasing the solubility of the fragrance in the matrix resulting in an increase in the release capability of the device.

Claim 3

The device in claim 1 wherein the excipient is a material selected from the group consisting of glycerol, propylene glycol, polyethylene glycol, mineral oil, coconut oil, isopropyl palmitate, and isopropyl myristate.

Claim 4

The device in claim 2 wherein the pressure sensitive adhesive release liner is a polyester substrate.

Claim 5

The device in claim 3 wherein the pressure sensitive adhesive release liner contains a silicone pressure sensitive adhesive release coating.

Claim 6

The device in claim 1 wherein the permeable facestock backing member is constructed of a material selected from the group consisting of wovens, non-wovens, and porous thermoplastics, and includes decorative, ornate, and varied colored, designs on the surface thereof.

Claim 7

The device in claim 1 wherein the fragrance impregnated matrix constitutes at least three separate and distinct layers, each of the three layers of the fragrance impregnated matrix including a fragrance differing from the fragrance in each of the other of the layers of the matrix.

Claim 8

A multi-layered multi-laminate sustained release device capable of releasing fragrances at a controlled rate for a prolonged period of time comprising a first layer of a pressure and sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied, a third layer of a fragrance impregnated matrix which is a silicone material selected from the group consisting of silicone elastomers, silicone elastomers having adhesive characteristics, and elastomeric silicone pressure sensitive adhesives, a fourth layer of a permeable facestock backing member on the surface of the device for controlling the rate of release of the fragrance from the impregnated matrix, the device including therein at least one impermeable backing member for preventing the fragrance of the impregnated matrix from interacting with the substrate to which it is applied, the fragrance in the impregnated matrix constituting of from about one-half of one percent to about forty percent by weight of the impregnated matrix, the matrix including a release rate modifying excipient for increasing the solubility of the fragrance in the matrix resulting in an increase in the release capability of the device.

Claim 9

A multi-layered multi-laminate sustained release device capable of releasing fragrances at a controlled rate for a prolonged period of time comprising a first layer of a pressure and sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied, a third layer of a fragrance impregnated matrix which is a silicone material selected from the group consisting of silicone elastomers, silicone elastomers having adhesive characteristics, and elastomeric silicone pressure sensitive adhesives, a fourth layer of a permeable facestock backing member on the surface of the device for controlling the rate of release of the fragrance from the impregnated matrix, the device including therein at least one impermeable backing member for preventing the fragrance of the impregnated matrix from interacting with the substrate to which it is applied, the fragrance in the impregnated matrix constituting of from about one-half of one percent to about forty percent by weight of the impregnated matrix, the matrix including a release rate modifying excipient for increasing the solubility of the fragrance in the matrix resulting in an increase in the release capability of the device.

Claim 10

The device in claim 7 wherein the excipient is a material selected from the group consisting of glycerol, propylene glycol, polyethylene glycol, mineral oil, coconut oil, isopropyl palmitate, and isopropyl myristate.

Claim 11

The device in claim 8 wherein the pressure and sensitive adhesive release liner is a polyester substrate.

Claim 12

The device in claim 8 wherein the pressure sensitive adhesive release liner includes a material selected from the group consisting of silicone acrylic and rubber-based pressure sensitive adhesive release coatings.

Claim 13

The device in claim 7 wherein the permeable facestock backing member is constructed of a material selected from the group consisting of wovens, non-wovens, and porous thermoplastics, and includes decorative, ornate, and varied colored, designs on the surface thereof.

Claim 14

The device in claim 7 wherein the fragrance impregnated matrix constitutes at least three separate and distinct layers, each of the three layers of the fragrance impregnated matrix including a fragrance differing from the fragrance in one of the other of the layers of the matrix.

Claim 15

The device as claimed in claim 7 wherein the silicone material is selected from the group consisting of silicone pressure sensitive adhesives, platinum addition cured silicone elastomers, tin catalyzed condensation cured silicone elastomers, photoinitiated UV cured silicone elastomers, acetoxy cured silicone elastomers, methoxy cured silicone elastomers, and oxime cured silicone elastomers.

Claim 16

The device in claim 13 wherein the silicone material is a tin catalyzed condensation cured silicone elastomer and the catalyst is stannous octoate.

Claim 17

The device in claim 14 wherein there is included at least one other layer of a silicone pressure sensitive adhesive in addition to said second layer of silicone pressure sensitive adhesive.

Claim 18

The device in claim 14 wherein there is included at least two other layers of a silicone pressure sensitive adhesive in addition to said second layer of silicone pressure sensitive adhesive.

Claim 19

A multi-layered multi-laminate sustained release device capable of releasing fragrances at a controlled rate for a prolonged period of time comprising a first layer of a pressure and sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied, a third layer of a fragrance impregnated matrix which is a silicone material selected from the group consisting of tin catalyzed room temperature condensation cured liquid silicone rubbers, elevated temperature addition cured liquid silicone rubbers and silicone pressure sensitive adhesives, a fourth layer of a permeable facestock backing member on the surface of the device for controlling the rate of release of the fragrance from the impregnated matrix, the fragrance in the impregnated matrix constituting of from about one-half of one percent to about forty percent by weight of the impregnated matrix, the matrix including a release rate modifying excipient for increasing the solubility of the fragrance in the matrix resulting in an increase in the release capability of the device.

Claim 20

A multi-layered multi-laminate sustained release device capable of releasing fragrances at a controlled rate for a prolonged period of time comprising a first layer of a pressure and sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied, a third layer of a fragrance impregnated matrix which is a silicone material selected from the group consisting of tin catalyzed room temperature condensation cured liquid silicone rubbers, elevated temperature addition cured liquid silicone rubbers and silicone pressure sensitive adhesives, a fourth layer of a permeable facestock backing member on the surface of the device for controlling the rate of release of the fragrance from the impregnated matrix, the fragrance in the impregnated matrix constituting of from about one-half of one percent to about forty percent by weight of the impregnated matrix, the matrix including a release rate modifying excipient for increasing the solubility of the fragrance in the matrix resulting in an increase in the release capability of the device.

Claim 21

The device in claim 17 wherein the excipient is a material selected from the group consisting of glycerol, propylene glycol, polyethylene glycol, mineral oil, coconut oil, isopropyl palmitate, and isopropyl myristate.

Claim 22

The device in claim 19 wherein the pressure and sensitive adhesive release liner is a polyester material.

Claim 23

The device in claim 18 wherein the pressure and sensitive adhesive release liner contains a silicone pressure sensitive adhesive release coating.

Claim 24

The device in claim 17 wherein the permeable facestock backing member is constructed of a material selected from the group consisting of wovens, non-wovens, and porous thermoplastics, and includes decorative, ornate, and varied colored, designs on the surface thereof.

Claim 25

The device in claim 17 wherein the fragrance impregnated matrix constitutes at least three separate and distinct layers, each of the three layers of the fragrance impregnated matrix including a fragrance differing from the fragrance in each one of the other of the layers of the matrix.