| US 7,404,967 B2 | ||
| Topical product formulations containing strontium for reducing skin irritation | ||
| Gary S. Hahn, Cardiff by the Sea, Calif. (US); and David O. Thueson, Poway, Calif. (US) | ||
| Assigned to Cosmederm, Inc., La Jolla, Calif. (US) | ||
| Filed on Nov. 21, 2001, as Appl. No. 9/992,491. | ||
| Application 09/992491 is a continuation of application No. 09/871576, filed on May 31, 2001, abandoned. | ||
| Application 09/871576 is a continuation of application No. 09/149886, filed on Sep. 08, 1998, abandoned. | ||
| Application 09/149886 is a continuation of application No. 08/666978, filed on Jun. 20, 1996, granted, now 5,804,203. | ||
| Application 08/666978 is a continuation in part of application No. 08/362100, filed on Dec. 21, 1994, granted, now 5,716,625. | ||
| Prior Publication US 2003/0031727 A1, Feb. 13, 2003 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A61K 8/20 (2006.01); A61K 8/30 (2006.01); A61K 8/365 (2006.01); A61Q 19/10 (2006.01) | ||
| U.S. Cl. 424—401 [424/677; 424/722; 424/65; 424/70.19; 424/617; 514/846] | 60 Claims |
| 1. A topical formulation for reducing skin irritation in animals comprising:
a salt comprising aqueous-soluble divalent strontium cation in an amount of about 0.5% by weight to about 14% by weight of
the total formulation,
an irritant ingredient comprising an α-hydroxy acid, and
a suitable topical formulation vehicle.
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