Hopkinton-based biotechnology company Phosphorex, which makes polymeric microspheres that deliver drugs, is quadrupling its space at the Hopkinton Technology Park. Phosphorex is leasing 12,000 square feet of biotech laboratory space at the park. The firm, which was founded in 2005, leased 3,000 square feet in Hopkinton just last year. The Hopkinton Technology Park is a 235,000-square-foot, nine-building campus at 100-106 South St. in Hopkinton, located off Interstate 495 at exit 21B. The park...