IP Library › Granted Patent US 12,514,946
Granted Patent B2
US 12,514,946 · App. 17/525,109 · Granted Jan 6, 2026

Fragrance releasing device

Inventors: Anthony Budraitis (Farmingdale, NJ); Lucia Moreno (Closter, NJ)
Assignee: Takasago International Corporation (USA)
A61L9/012A01M1/2027A01M29/12A61L9/12A61L2209/131
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Quick Facts
Patent No.
US 12,514,946
App. No.
17/525,109
Granted
Jan 6, 2026
Kind
B2
Abstract

Fragrance delivery device with first flexible impermeable barrier layer and second flexible impermeable barrier layer coupled to the first flexible impermeable barrier layer to define a first chamber. A reservoir substance having a volatile medium is disposed in the first chamber. The device further includes at least one vapor releasing microporous layer having a plurality of micropores therein. The vapor releasing microporous layer defines a second chamber. A frangible seal seals the first chamber from the second chamber in a delivery condition. Activation of the device compromises the frangible seal to fluidly couple the first chamber with the second chamber and to transfer the reservoir substance to the second chamber. The volatile medium of the reservoir substance is releasable from the fragrance delivery device via the plurality of micropores in the use condition.

Claims (36)

1 . A fragrance delivery device, comprising:

a first flexible impermeable barrier layer;

a second flexible impermeable barrier layer coupled to the first flexible impermeable barrier layer, the first and second impermeable barrier layers defining a first chamber;

a reservoir substance disposed in the first chamber and having a volatile medium;

a first vapor releasing microporous layer having a plurality of micropores therein;

a second vapor releasing microporous layer having a plurality of micropores therein, wherein the first and second vapor releasing microporous layers define a second chamber; and

a frangible seal to seal the first chamber from the second chamber in a delivery condition, wherein the frangible seal is defined by a first edge of the first flexible impermeable barrier layer and a first edge of the second flexible impermeable barrier layer, wherein at least one of a first edge of the first vapor releasing microporous layer and a first edge of the second vapor releasing microporous layer is coupled to the first edge of the first flexible impermeable barrier layer or the first edge of the second flexible impermeable barrier layer, wherein activation of the fragrance delivery device in a use-condition compromises the frangible seal to fluidly couple the first chamber with the second chamber and to transfer the reservoir substance to the second chamber, wherein the volatile medium of the reservoir substance is releasable from the fragrance delivery device via the plurality of micropores in the use-condition.

2 . The fragrance delivery device of claim 1 , wherein the flexible impermeable barrier layers inhibit the volatile medium from emitting through the plurality of micropores when the device is in the delivery condition.

3 . The fragrance delivery device of claim 1 , wherein a force of a predetermined amount exerted on the first chamber transfers the fragrance delivery device from the delivery condition to the use-condition.

4 . The fragrance delivery device of claim 1 , wherein an edge of the first chamber is coupled with an edge of the second chamber.

5 . The fragrance delivery device of claim 1 , wherein the device is a self-contained unit.

6 . The fragrance delivery device of claim 1 , wherein the first chamber defines a predetermined volume, wherein the reservoir substance has a volume equal to or less than the predetermined volume.

7 . The fragrance delivery device of claim 1 , wherein the volatile medium includes at least one of a medicant, decongestant, insect repellent, insecticide, fragrance, and an aroma therapeutic composition.

8 . The fragrance delivery device of claim 1 , wherein the reservoir substance includes at least one of a gel, oil, wax, or combination thereof.

9 . The fragrance delivery device of claim 1 , wherein the first edge of the first vapor releasing microporous layer overlaps with and is heat sealed to the first edge of the first flexible impermeable barrier layer at the frangible seal.

10 . The fragrance delivery device of claim 1 , wherein the first edge of the second vapor releasing microporous layer overlaps with and is heat sealed to the first edge of the second flexible impermeable barrier layer at the frangible seal.

11 . A method of using a fragrance delivery device, comprising:

providing a fragrance delivery device having:

a first flexible impermeable barrier layer,

a second flexible impermeable barrier layer coupled to the first flexible impermeable barrier layer, the first and second impermeable barrier layers defining a first chamber,

a reservoir substance disposed in the first chamber and having a volatile medium,

at least one first vapor releasing microporous layer having a plurality of micropores therein,

a second vapor releasing microporous layer having a plurality of micropores therein,

wherein the at least one first vapor releasing microporous layer and the second vapor releasing microporous layer define a second chamber, and

a frangible seal to seal the first chamber from the second chamber in a delivery condition, wherein the frangible seal is defined by a first edge of the first flexible impermeable barrier layer and a first edge of the second flexible impermeable barrier layer, wherein at least one of a first edge of the first vapor releasing microporous layer and a first edge of the second vapor releasing microporous layer is coupled to the first edge of the first flexible impermeable barrier layer or the first edge of the second flexible impermeable barrier layer; and

activating the fragrance delivery device from the delivery condition to a use-condition, wherein the activating includes exerting a predetermined pressure to the fragrance delivery device to compromise the frangible seal and fluidly couple the first chamber with the second chamber and transfer the reservoir substance to the second chamber; and

releasing the volatile medium of the reservoir substance from the fragrance delivery device via the plurality of micropores.

12 . The method of claim 11 , wherein a force of a predetermined amount exerted on the first chamber transfers the fragrance delivery device from the delivery condition to the use-condition.

13 . The method of claim 11 , wherein the first chamber is adjacent to the second chamber and coupled together at the frangible seal.

14 . The method of claim 11 , wherein the flexible impermeable barrier layers inhibit the volatile medium from emitting through the plurality of micropores when the device is in the delivery condition.

15 . The method of claim 11 , wherein the device is a self-contained unit.

16 . The method of claim 11 , wherein the first chamber defines a predetermined volume, wherein the reservoir substance has a volume equal to or less than the predetermined volume.

17 . The method of claim 11 , wherein the volatile medium includes at least one of a medicant, decongestant, insect repellant, insecticide, fragrance, and an aroma therapeutic composition.

18 . The method of claim 11 , wherein the reservoir substance includes at least one of a gel, oil, wax, or combination thereof.

19 . The method of claim 11 , wherein the first edge of the first vapor releasing microporous layer overlaps with and is heat sealed to the first edge of the first flexible impermeable barrier layer at the frangible seal.

20 . The method of claim 11 , wherein the first edge of the second vapor releasing microporous layer overlaps with and is heat sealed to the first edge of the second flexible impermeable barrier layer at the frangible seal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 18, 2021
From: BUDRAITIS, ANTHONY; MORENO, LUCIA
To: TAKASAGO INTERNATIONAL CORPORATION (USA)
Reel/Frame 058149/0490 →
Continuity (2)
Provisional Application 63114828 · Nov 17, 2020
Related Publication 20220152261A1 · May 19, 2022
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