LACEY, Wash.--(BUSINESS WIRE)--Unigen Pharmaceuticals, Inc., a leading research and development company of proprietary, biologically active plant-derived ingredients has received notification of approval of a USA patent for Free-B-Ring Flavonoids derived from Chinese Skullcap in supporting its novel Univestin joint health ingredient. This patent brings to 151 the number of US and international patents globally awarded or pending for Unigen.
