Sara Lee took its chief executive, Brenda Barnes, and Kraft pinched Ms Rosenfeld from the food giant.
Last month Sara Lee filed a lawsuit against Kraft for making false claims in a hot-dog advertisement.
They are fighting the entry of Sara Lee and Mr. Gaillard, and they are also working on new patents and a new kind of machine for the future.
Last week alone, Bank of America Corp. , tool maker Stanley Works and Sara Lee Corp. , known for food brands such as Jimmy Dean and Hillshire Farm, announced job cuts.
