Trilantic Capital Partners, a U.S. private equity fund, has acquired a substantial stake in Implus Corporation from another fund, AEA Investors, in cooperation with the company's chief executive, Seth Richards, and its president, Todd Vore. The U.S. company markets insoles, shoe care products and other items under numerous brands including Sof Sole, Sof Comfort, Airplus, Apara and Sneaker Balls. Its 2011 turnover is reported to reach $165 million.