announced that it will become an associate sponsor of Joe Gibbs Racing on the No. 20 Home Depot Pontiac driven by Tony Stewart

has appointed J.H. Calo Co. Inc., Dowd and Guild Inc. and Brenntag Mid-South/Brenntag Southeast distributors of Sartomer's Norsolene line of hydrocarbon resins in the northeastern, western and southeastern United States.

announced plans to jointly develop technology for the manufacture of propylene oxide (PO) using hydrogen peroxide as a key raw material.

Dowd and Guild Inc. has acquired the assets of Hahn Northwest Inc., a distribution company based in Tukwila, WA.

NETZSCH Inc.

the U.S. EPA has granted registration for the use of Acima's Rocima 607 microbiocide.

DuPont Co. announced an agreement to acquire ChemFirst Inc., a supplier of electronic chemicals and materials for the semiconductor industry and specialty intermediates for polyurethanes and other markets, in a cash deal valued at $408 million.

People to know

in a move aimed at increasing its business base, announced the appointment of sales-representative firms for portions of the eastern United States.

announced the appointment of manufacturers' representatives for various territories in the United States.