HOUSTON & RUEIL-MALMAISON, France--(BUSINESS WIRE)--Ketjen Corporation and Axens SA today announced a change to Ketjen and Axens' ownership of and collaboration with Eurecat. Under the agreements, Ketjen will extend its collaboration with Eurecat on advanced catalyst technologies and services, including regeneration, rejuvenation, ex-situ sulfiding, and spent catalyst processing. In addition, Ketjen will sell its 50 percent ownership stake in Eurecat SA to Axens, along with Ketjen's Isomerizati. ...