Niteworks – US Patent: 5,428,070

US Patent: 5,428,070 TREATMENT OF VASCULAR DEGENERATIVE DISEASES BY MODULATION OF ENDOGENOUS NITRIC OXIDE PRODUCTION OF ACTIVITY (75) Inventors: John P. Cooke, Palo Alto; Victor J. Dzau, Los Altos Hills; Gary H. Gibbons, Palo Alto, all of Calif.

Niteworks – US Patent: 5,891,459

US Patent: 5,891,459 ENHANCEMENT OF VASCULAR FUNCTION BY MODULATION OF ENDOGENOUS NITRIC OXIDE PRODUCTION OR ACTIVITY (75) Inventors: John P. Cooke, Palo Alto; Victor J. Dzau, Los Altos Hills; Gary H. Gibbons, Palo Alto, all of Calif.

Niteworks – United Therapeutics Press Release

Silver Spring, MD, November 13, 2006: United Therapeutics Corporation (NASDAQ: UTHR) announced today that its wholly owned subsidiary Unither Pharma, Inc. has settled all patent litigation with Herbalife International, Inc. (“Herbalife”). The patent litigation, which began in August 2003, related to products sold by Herbalife containing the amino acid L-arginine and Herbalife’s promotion of such products to support cardiovascular and vascular function.