IP Library Granted Patent US 10,278,945
Granted Patent B2
US 10,278,945 · App. 15/755,586 · Granted May 7, 2019

Formulation for the treatment of acne

Inventors: Ross Christian Opsahl (Geneva, IL); Steluta Gina Butuc (The Woodlands, TX)
Assignee: Akzo Nobel Chemicals International B.V.
A61K31/327A61K9/0014A61K9/06A61K47/36A61P17/10
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Quick Facts
Patent No.
US 10,278,945
App. No.
15/755,586
Granted
May 7, 2019
Kind
B2
Abstract

Peroxide of the formula wherein R 1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R 2 , R 3 , and R 4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms, for use as a medicament, in particular for the treatment of acne.

Claims (9)

1. A method of treatment of acne comprising topical application to skin of an effective amount of peroxide of the formula

wherein R 1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R 2 , R 3 , and R 4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms.

2. The method of claim 1 wherein R 1 and R 2 are selected from methyl, tert-butyl, and n-butyl groups.

3. The method of claim 1 wherein R 3 and R 4 are both hydrogen.

4. The method of claim 3 wherein R 1 and R 2 are positioned at the para position.

5. The method of claim 1 wherein the peroxide is di(4-methylbenzoyl)peroxide.

6. A method of inhibiting the proliferation of Staphylococcus aureus, Staphylococcus epidermidis , and/or Propionibacerium acnes to a subject in need thereof; comprising the topical application of an effective amount of a peroxide with the formula

wherein R 1 is selected from linear and branched alkyl groups with 1-4 carbon atoms, and R 2 , R 3 , and R 4 are selected from hydrogen and linear and branched alkyl groups with 1-4 carbon atoms.

7. The method of claim 6 wherein the peroxide is di(4-methylbenzoyl)peroxide.

Assignments (3)
CHANGE OF NAME Recorded Sep 18, 2019
From: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
To: NOURYON CHEMICALS INTERNATIONAL B.V.
Reel/Frame 050426/0671 →
SECURITY INTEREST Recorded Oct 1, 2018
From: STARFRUIT US MERGER SUB 1 LLC; STARFRUIT US MERGER SUB 2 LLC; AKZO NOBEL SURFACE CHEMISTRY LLC; AKZO NOBEL CHEMICALS B.V.; AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
To: WILMINGTON TRUST (LONDON) LIMITED, AS COLLATERAL AGENT
Reel/Frame 047231/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 4, 2018
From: OPSAHL, ROSS CHRISTIAN; BUTUC, STELUTA GINA
To: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.
Reel/Frame 045431/0363 →
Priority Claims (1)
EP 15188210 · Oct 2, 2015 · regional
Continuity (2)
Provisional Application 62211060 · Aug 28, 2015
Related Publication 20190022050A1 · Jan 24, 2019