Dow Chemical Co.will acquireRohm and Haas Co. for more than $15 billion in cash. The deal, which is part of an attempt to move into the higher-margin specialty chemicals market, will make Dow the world’s leading specialty chemicals and advanced materials company. Rohm and Haas chief operating officer Pierre Brondeau is expected to be appointed chief executive officer of Dow’s specialty chemical business.

Unisource Worldwide Inc.announced a new stretch film wrapper equipment program, featuring three lines of equipment. A highlight will be a Unisource Private Brand stretch film wrapper model, which handles loads weighing up to two tons and features an Allen-Bradley PLC, a belt-driven roll carriage and a dual-speed roll carriage.

Kliklok-Woodmanparent companyKlikwood Corp.has announced the acquisition of a majority interest in Kliklok International Ltd., its British division, by Kliklok Int’l senior management. The move came after the retirement of Kliklok Int’l’s former managing director,Robert G. Davis.

Natural Source Printinghas introduced its tree-free FiberStone paper, made from limestone, which can be coated with a freezer- or moisture-proof adhesive, is recyclable with traditional paper and plastic recycling methods, and has a carbon footprint of about one third that of virgin paper and half that of recycled paper.

Multisorb Technologieswon a 2008 IFT Food Expo Innovation Award for its FreshBlend, a resin-bonded oxygen scavenging system that enhances oxygen barrier properties and lengthens food and beverage shelf life.

POWER Engineers Inc.has addedDick Corolewsky,Doug KearbyandJim Olsenas senior product managers in the facilities business unit.

Hartness International’s new unit,Hartness-Inks, offers a new ink technology for direct print labeling on bottles and containers. Its Uvaclear ultraviolet curable ink has the durability of applied ceramic labels, paper labels or sleeves, and is eco-friendly.Kammann Machines Inc.is a supporting development partner of the new unit.

Motomanhas announcedSteve Barhorstas its new president and chief operating officer.

Cognex Corp.has hiredRobert Willettas the president of its modular vision systems division.

TheClosure Manufacturers Associationhas changed its name to theClosure and Container Manufacturers Association. Also, theReusable Pallet and Container Coalitionhas changed its name to theReusable Packaging Association.

John Dulchinos, president and chief operating officer of robotics manufacturerAdept Technology Inc., has been elected for a second term to the board of directors of theRobotics Industry Association.

Graham Packaging Co.will go public through a transaction with Hicks Acquisition Co. The combined enterprise will be renamed Graham Packaging Co., and will apply for listing on the New York Stock Exchange.

ThePaperboard Packaging Councilhas namedBen Markensas its president and chief staff officer.

Bosch Packaging Technologyhas appointedPres Lawhonas general manager ofDoboy Inc.