The book reviews the history of current brand and generic business in pharmaceuticals manufacturing practices. Based on examples, the reader can interpolate, extrapolate and exploit mutual behavior (physical and chemical properties) of chemicals to design and commercialize processes that fulfill the demands, also manipulate chemical unit processes and unit operations to reduce/minimize effluents and lower environmental impact i.e. reduce global warming. Readers will be able to simplify process development, design and commercialize economic manufacturing processes.