NEWARK, DEL. — CBRE has negotiated the sale of 322 Ruthar Drive in Newark for an undisclosed amount. DuPont Transportation & Advanced Polymers acquired the 120,000-square-foot industrial facility. CBRE represented DuPont in the transaction. The seller was undisclosed. DuPont has committed to invest $45 million in the new facility, which will increase its manufacturing capacity for DuPont Kalrez, a specialized engineered material used in a variety of sealing applications.