DuPont Refrigerants, Wilmington, Del., launched a web site to share product and technical information on its refrigerants for industrial process, air-conditioning and refrigeration markets. The site, www.refrigerants.dupont.com, includes refrigerant technical and product information; interactive product selection tools to help users find the right DuPont refrigerant for a specific job; environmental and regulatory information and updates; and technical training materials.

Columbus-based Emerson Network Power acquired Mountain View, Calif.-based Cooligy Inc., a developer and manufacturer of active cooling technology for microprocessors and other heat-generating components. Cooligy adds fluid-based, chip-level cooling technology to Emerson Network Power's family of Liebert cooling solutions, which provide room- and rack-level precision cooling.