IP Library Granted Patent US 10,987,376
Granted Patent B2
US 10,987,376 · App. 14/891,311 · Granted Apr 27, 2021

Methods of treating and/or preventing nail disorders and/or improving the appearance of a nail

Inventors: Lance L. Swick (Durham, NC); Scott E. Neuville (Durham, NC); Jerry S. Chesson (Durham, NC)
Assignee: Chesson Laboratory Associates, Inc.
A61K31/785A61K8/84A61K8/86A61K8/87A61K47/34A61Q3/02C09D175/02C09D175/04
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Quick Facts
Patent No.
US 10,987,376
App. No.
14/891,311
Granted
Apr 27, 2021
Kind
B2
Abstract

Systems and/or methods of treating and/or preventing nail disorders are disclosed herein. Also, disclosed herein are systems and/or methods of improving the appearance of a nail. A preferred embodiment of the present invention comprises a method of treating and/or preventing a nail disorder in a subject comprising topically applying a composition comprising a poly(urea-urethane)polymer and/or a poly(urea-urethane) pre-polymer to a nail of said subject, thereby treating and/or preventing said nail disorder.

Claims (15)

1. A method of treating onychodystrophy, where the onychodystrophy is not caused by onychomycosis, in a subject comprising:

topically applying a composition comprising a poly(urea-urethane) to a nail of said subject wherein the composition forms a film permeable to water vapor.

2. The method of claim 1 , wherein said step of topically applying is carried out at least once per week.

3. The method of claim 1 , wherein said composition comprises said poly(urea-urethane) polymer in a range of about 10% to about 25% by weight of the composition.

4. The method of claim 1 , wherein said step of topically applying said composition comprises:

providing said composition in the form of a solution; and

coating said nail of said subject with said solution.

5. The method of claim 1 , wherein the composition further comprises a secondary aromatic diamine.

6. The method of claim 1 , wherein the composition comprises a polyisocyanate.

7. The method of claim 6 , wherein the polyisocyanate comprises MDI.

8. The method of claim 1 , wherein the composition comprises a polyol.

9. The method of claim 1 , wherein the composition comprises at least one ketone solvent.

10. The method of claim 1 , wherein the composition comprises a dye, colorant, and/or pigment.

11. The method of claim 1 , wherein said composition comprises an antibacterial, and/or antiviral medicament.

12. The method of claim 1 , wherein the nail is a diseased nail.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 8, 2024
From: CHESSON LABORATORY ASSOCIATES, INC.
To: NAIL GENESIS LLC
Reel/Frame 069208/0945 →
RELEASE OF SECURITY INTEREST Recorded Jan 11, 2023
From: EVENING POST GROUP, LLC
To: EPI HEALTH, LLC
Reel/Frame 062347/0129 →
SECURITY INTEREST Recorded Mar 14, 2022
From: EPI HEALTH, LLC
To: EVENING POST GROUP, LLC
Reel/Frame 059364/0509 →