Bayer CropScience LP and International Specialty Products Inc., based in Wayne, N.J., have signed an agreement for Bayer CropScience to gain exclusive rights to ISP's novel formulation delivery systems for several key Bayer active ingredients.

Bayer CropScience currently uses ISP's patented delivery system technology in the company's Ginstar EC cotton defoliant, which contains the active ingredients thidiazuron and diuron.

The new agreement also allows exclusive use of the ISP delivery system technologies for Bayer CropScience's active ingredients desmedipham, phenmedipham and ethofumesate.

Through the agreement, Bayer CropScience becomes the exclusive licensee for several key U.S. patents held by ISP.