RiveTech Adds to Series A

Rive Technology Inc. has raised around $3.15 million in additional Series A funding from Advanced Technology Ventures. The company had raised $5.22 million in initial Series A funding from Charles River Ventures and seed backers in June 2006. The Cambridge, Mass.-based company is commercializing zeolite catalyst technology for use in the petroleum refining, petrochemicals and other industries. www.rivetechnology.com