EP2937375B1 - Novel Ethynyl-Group-Containing Organopolysiloxane Compound, Method for Producing Straight-Chain Organopolysiloxane Compound Containing Ethynyl Group at Both Molecular Chain Ends, Method for Producing Alkoxysilyl-Ethynyl-Group-Terminated Organosiloxane Polymer, Room-Temperature-Curable Composition, and Molded Article That Is Cured Product of Same | Patent Bear