Heraeus is a globally active precious metal and technology Group based in Hanau, near Frankfurt, and with deep roots in Germany. The company has been family-owned for more than 160 years. Our business groups cover precious metals, materials and technologies, sensors, biomaterials, medical, dental, and pharmaceutical products, quartz glass, and specialty light sources. Currently Heraeus holds more than 5,900 patents. Over 400 R&D employees in 25 development centers around the world are producing ...