The day after its patent issued, GreenShift Corporation‘s wholly-owned subsidiary GS CleanTech Corporation asserted US Patent No. 7,601,858, against GEA Westfalia Separator, Inc. and other defendants in S.D.N.Y. The first amended complaint asserts only one cause of action for patent infringement.
Titled “Method of Processing Ethanol Byproducts and Related Subsystems,” the ‘858 patent is drawn to a method for obtaining corn oil by evaporating, concentrating and mechanically processing thin stillage.
GreenShift press release here.
Oct. 21, 2009 update: Second related patent awarded to GreenShift. Story here.