At the moment, Vriens' company seems to have this corner of the market all to itself. None of its main competitors -- such as Cargill, Blommer and ADM -- have shown signs of developing a comparable, saleable product.
Even the Swiss chocolate company Lindt & Sprüngli -- which, unlike Nestlé and similar companies, does not outsource its production -- has dismissed the idea. When questioned about it, a representative said: "We currently have no plans to develop a melt-proof chocolate." Instead, the representative added, Lindt & Sprüngi will continue to focus on premium products and will stand by its tried-and-tested recipes.