NuCryst Pharmaceuticals granted new patent for treatment of acne

By Elaine Rigoli

Tampa, Fla., March 8 - NuCryst Pharmaceuticals Corp. announced Wednesday a new patent covering its proprietary nanocrystalline silver for use in the treatment of acne.

The U.S. Patent and Trademark Office granted the company's third dermatology patent issued since 2004. These three issued patents pertain to the use of NuCryst's unique silver for the treatment of acne, inflammatory skin conditions such as atopic dermatitis and hyperproliferative skin disorders such as psoriasis, according to a company news release.

NuCryst now possesses 18 issued patents and 22 pending patent applications in the United States as well as 60 corresponding patents and 38 corresponding pending patent applications in other major markets around the world, the release said.

For dermatology indications, NuCryst now holds the following patents:

• U.S. Patent No. 6,692,773 covering the use of NuCryst's silver for the treatment of hyperproliferative skin disorders and diseases such as psoriasis;

• U.S. Patent No. 6,939,568 covering the use of NuCryst's silver for the treatment of inflammatory skin conditions such as atopic dermatitis;

• U.S. Patent No. 7,008,647 covering the use of NuCryst's silver for the treatment of acne and rosacea.

The top-10 dermatology topical products generated $1.6 billion in U.S. sales in 2004. Of this total, more than 70% of product sales were for the treatment of atopic dermatitis, psoriasis and acne, the release said.

Based in Wakefield, Mass., NuCryst develops, manufactures and commercializes medical products that fight infection and inflammation using its patented atomically disordered nanocrystalline silver technology.

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