GreenShift Corporation has simultaneously announced that it has filed for its third patent on its corn-oil extraction technologies while at the same time, commencing legal action against Big River Resources Galva, Big River Resources West Burlington and Cardinal Ethanol for infringing on GreenShift’s U.S. patent covering its corn oil extraction technology.

GreenShift's Corn Oil Extraction Technology
The complaint against Big River alleges that they infringed upon GreenShift’s U.S. Patent No. 7,601,858, titled “Method of Processing Ethanol Byproducts and Related Subsystems” (the “858 Patent”). The patent covers processes for recovering corn oil by evaporating and mechanically processing thin stillage, a precursor to the distillers grain co-product of corn ethanol production (“DGS”). Greenshift is claiming that Big River has caused a loss of income and irreparable harm.
Kevin Kreisler, chairman and CEO of GreenShift said in a company statement regarding the lawsuits, “There was no market for corn oil extraction from dry mill ethanol plants before we invented our now-patented technology in 2004. We estimate that more than about 20 percent of the ethanol industry has begun to use our technology without a license. While we are eager to earn the business of each last producer, we expect to have the opportunity to do so by helping each to realize additional value.”
Kreisler continued, “We innovated corn oil extraction technology, created the corn oil extraction market, and subsidized disruptive value creation for the U.S. corn ethanol industry; we have earned our patents and we deserve the full measure of the first mover competitive advantage. This, and any other, continued infringement is causing GreenShift irreparable and immediate harm and it must stop.”
However, ICM has come to the defense of Cardinal Ethanol, as the suit is against ICM equipment. ICM built the ethanol plant that went online in November of 2008.
“ICM will defend its customers as a companion matter to ICM’s own litigation against GS CleanTech and its affiliate, GreenShift Corporation, which we filed in Kansas in October 2009,” said Chris Mitchell, ICM’s vice president of marketing. “ICM believes that GS CleanTech’s alleged patent claims will be proved to be invalid. In the Kansas litigation, we have asserted that GS CleanTech/GreenShift misrepresented the liability of ICM’s customers for operating the ICM system, and that various actions of GS CleanTech/GreenShift constitute unfair competition and wrongful interference with ICM’s existing and prospective business and contractual relationships. Our customers continue to operate their oil recovery systems acquired from ICM, and we continue to see strong interest from prospective customers for further orders for ICM’s equipment.”
And patents they seek.
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