sentences:  Devgen's nematicide Iprodione, was approved in the Turkish market under the brandname Devguard for use on tomatoes and cucumbers in 2009, was approved in Europe in 2010, and was approved in the US as Enclosure for use in commercial peanut production in May 2010.Devgen has a method-of-use patents for the use of iprodine to kill nematodes.In September 2012, Syngenta placed a bid of 403 million euros ($522 million) for the acquisition of Devgen as part of a wave of large ag companies buying biotech companies.