AMERICAN CHEMICAL SOCIETY - The trade association in Washington named Ronald Knudsen an honoree for the 2007 ACS Heroes of Chemistry Program. Knudsen is a senior consultant at Chevron Phillips Chemical Co. LP in The Woodlands, Texas, and is being recognized for his work with 1-hexene.
ARBURG GMBH + CO. KG - The injection molding machine maker in Lossburg, Germany, has changed its representative office in Jakarta, Indonesia, into an independent subsidiary and named office manager Christianto Adisuhanto to manage the subsidiary.
EXPRESS PATTERN INC. - The rapid prototyping firm in Vernon Hills, Ill., named Bill Schultz quality manager.
EXTRUSION DIES INDUSTRIES LLC - The flat-die manufacturer in Chippewa Falls, Wis., named Andrei Stapinoiu European sales manager, based in Sandhurst, England.
INTERNATIONAL CAST POLYMER ALLIANCE - The Arlington, Va.-based trade group named Gary Whiting president. Whiting owns Tiffany Marble Inc. of Lee's Summit, Mo. ICPA is an alliance of the American Composites Manufacturers Association.
MRC POLYMERS INC. - The Chicago compounder named Paul Binks president, Dave Lawson operations director for MRC North America and Dean Eberhardt general manager for its Latin American operations.
POLYONE CORP. - The compounder headquartered in Avon Lake, Ohio, named Patricia Hubbard technology director for its engineered materials business.
STEP2 CO. - The Streetsboro, Ohio-based rotational molder of toys named Nancy Shaw vice president of human resources and Brian Kirkendall vice president of marketing.
GEFRAN INC., a maker of extrusion melt-pressure sensors and control instrumentation in Winchester, Mass., named Cecil Thomas general manager of its motion operations in Charlotte, N.C. ... IDI COMPOSITES INTERNATIONAL, a thermoset molding compounds manufacturer in Noblesville, Ind., named Melinda Bostic a customer service representative. ... SUPERIOR MATERIALS INC., a chemicals and raw materials distributor in Garden City, N.Y., named Alex Blakeman a technical salesman.