DEERFIELD, Ill.--(BUSINESS WIRE)--Baxter International Inc. (NYSE:BAX) today announced that the company has submitted a supplemental biologics license application (sBLA) to the U.S. Food and Drug Administration (FDA) for approval of GAMMAGARD LIQUID 10% [Immune Globulin Infusion (Human)] for the treatment of multifocal motor neuropathy (MMN). The product, marketed as KIOVIG outside the United States and Canada, was approved for the MMN indication in Europe in 2011.