INDIANAPOLIS--(BUSINESS WIRE)--Dow AgroSciences LLC, a subsidiary of The Dow Chemical Company (NYSE: DOW), announced today the issuance of U.S. Patent No. 8,283,522, covering crop plants containing another of Dow AgroSciences’ innovative class of herbicide-tolerant traits. The patented trait has shown exceptional promise for use in soybeans and cotton as it conveys robust tolerance to broadleaf herbicides such as 2,4-D, and enables new uses of other proven broad-spectrum herbicides against herbicide-resistant weeds.