Beschrijving Diosynth Biotechnology is all about the cGMP and protein. The company is a leading provider of cGMP (Current Good Manufacturing Practices) production for recombinant therapeutic proteins and peptides. Diosynth's line of proteins include monoclonal antibodies, cancer vaccines, fusion proteins, hormones, cancer vaccines, and anti-coagulants. The company also offers contract manufacturing, process development, and validation services. Diosynth has manufacturing facilities in the US, serving a wide range of customers. The company (which originally began operating in 1923) was a subsidiary of Akzo Nobel until Schering-Plough bought that company's pharmaceutical operations in 2007.