The village of Dernau which is centrally located in the Ahr valley is famous for its wines, most of them are red wines. Besides agriculture tourism is a strong economical factor, which is growing rapidly.
US Patent Issued on July 2 for "Desensitising and Remineralising Dental Composition as Well as Dental Particles for the Composition" (German, American Inventors)
Jul 06, 2013; ALEXANDRIA, Va., July 6 -- United States Patent no. 8,475,847, issued on July 2."Desensitising and remineralising dental...