Lonza Group Ltd. and Arch Chemicals Inc. have signed an agreement in which Lonza will buy 100 percent of Arch Chemicals’ outstanding shares of common stock.

Emerald Kalama Chemical, a division of Emerald Performance Materials, has completed the first of several planned phases of its technical expansion focused on its K-FLEX® non-phthalate plasticizers and coalescents.

OPX Biotechnologies Inc. has raised $36.5 million in the first closing of its C-Round private equity financing.

Lubrizol Performance Coatings, a business division of The Lubrizol Corp., has earned the Ringier Technology Innovation Award in China for the development of its one-component, self-crosslinking polyurethane dispersion technology for wood coatings.

Elcometer Inc. has opened a new office to serve the southeastern United States.

The Emulsion Polymers business of Celanese Corp. is advancing its application technology group in the Americas by moving to a new facility in the greater Cincinnati area.

Clariant is extending its worldwide commitment to corporate social responsibility in the Asia-Pacific region through hands-on community initiatives and active support for local educational programs.

AkzoNobel’s Interpon has become the first-ever full-body monocoat powder coating to be used on a passenger vehicle in Europe. Showcased at the Cannes SURCAR 2011 Congress, the Citroën DS4 is the first-ever passenger vehicle in Europe to be exhibited using matt black textured powder coatings on the car body.

Tom Grady, Marketing Director for Metal Building Products of The Sherwin-Williams Co., passed away at the age of 45.