Chemicals firm Green Biologics has partnered with textile care services provider Kreussler to make the first bio - based solvent for the dry - cleaning industry . About Using corn grown by US farmers , Green Biologics uses its patented , low - energy fermentation process to produce n - ethanol for Solvonk4 , the main ingredient for Kreussler 's SystemK4 's dry - cleaning products . Kreussler is seeking Department of Agriculture BioPreferred certification for the solvent . Green Biologics Inc is based in Minnesota and is owned by Green Energy Ltd in Canada .
Chemicals firm Green Biologics has partnered with textile care services provider Kreussler to make the first bio - based solvent for the dry - cleaning industry . Using corn grown by US farmers , Green Biologics uses its patented , low - energy fermentation process to produce n - ethanol for Solvonk4 , the main ingredient for Kreussler 's SystemK4 's dry - cleaning products . Kreussler is seeking Department of Agriculture BioPreferred certification for the solvent . Green Biologics Inc is based in Minnesota and is owned by Green Energy Ltd in Canada .