IP Library Granted Patent US 12,251,442
Granted Patent B2
US 12,251,442 · App. 16/832,171 · Granted Mar 18, 2025

Salicylic acid gel

Inventors: Chris Gerlach (Buford, GA); Michael Davies (Dacula, GA)
Assignee: Vantage Specialty Ingredients, Inc.
A61K47/18A61K8/042A61K8/368A61K8/41A61K8/42A61K9/0014A61K9/06A61K31/60A61Q5/006A61Q5/02A61Q19/00A61K2800/52
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Quick Facts
Patent No.
US 12,251,442
App. No.
16/832,171
Granted
Mar 18, 2025
Kind
B2
Abstract

A concentrated salicylic acid gel comprising salicylic acid and a stabilizer compound, wherein the salicylic acid comprises at least 30 wt % of the total weight of the gel.

Claims (9)

1. An anhydrous gel concentrate consisting of two hydrophobic constituents, (a) salicylic acid and (b) an alkylamido alkylamine, wherein the ratio a:b is from 3:7 to 3:2, wherein the gel is comprised of at least 30% salicylic acid, wherein upon dilution in water a clear solution is formed having a pH of less than 5 that is visibly free of salicylic acid precipitate.

2. A method for making a topical product containing salicylic acid at a concentration of from about 0.1 wt % to 40 wt % based on the total weight of the topical product comprising the step of adding the anhydrous gel concentrate of claim 1 to a solvent selected from the group consisting of water, ethyl alcohol and isopropyl alcohol.

3. The method of claim 2 wherein the topical product is a cream or lotion that contains salicylic acid at a concentration of up to 5%, based on the total weight of the topical product.

4. The method of claim 2 wherein the topical product is used to treat acne and contains salicylic acid at a concentration of from 0.5% to 2.0% based on the total weight of the topical product.

5. The method of claim 2 wherein the topical product is used to remove warts and contains salicylic acid at a concentration of from 5% to 40% based on the total weight of the topical product.

6. The method of claim 2 wherein the topical product is used to treat dandruff and contains salicylic acid at a concentration of from 1.8% to 3.0% based on the total weight of the topical product.

7. The anhydrous gel concentrate of claim 1 wherein (a) salicylic acid comprises from 30 wt % to 60 wt % of the anhydrous gel concentrate and (b) the alkylamido alkylamine comprises from 40 wt % to 70 wt % of the anhydrous gel concentrate.

8. The anhydrous gel concentrate of claim 7 wherein the ratio of a:b is from 2:3 to 11:9.

9. The anhydrous gel concentrate of claim 7 wherein the alkylamido alkylamine is cocamidopropyl dimethylamine.

Assignments (2)
PATENT SECURITY AGREEMENT Recorded Sep 4, 2025
From: VANTAGE SPECIALTIES, INC.; VANTAGE SPECIALTY CHEMICALS, INC.; VANTAGE SPECIALTY INGREDIENTS, INC.
To: APOLLO ADMINISTRATIVE AGENCY LLC, AS ADMINISTRATIVE AGENT AND COLLATERAL AGENT
Reel/Frame 072801/0720 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 19, 2023
From: ESSENTIAL INGREDIENTS, INC.
To: VANTAGE SPECIALTY INGREDIENTS, INC.
Reel/Frame 065915/0376 →
Continuity (5)
Continuation 15688560 · Aug 28, 2017
Continuation 14454886 · Aug 8, 2014
Continuation 13789780 · Mar 8, 2013
Provisional Application 61615956 · Mar 27, 2012
Related Publication 20200316206A1 · Oct 8, 2020
References Cited (4)
US 5505949A · Benitez · 1996 [cited by examiner]
US 5558871A · Griat · 1996 [cited by examiner]
US 5587154A · Dowell · 1996 [cited by examiner]
US 20060239953A1 · Clapp · 2006 [cited by examiner]