It is an object of the present invention to provide an interlayer film for a laminated glass excellent in a sound-insulating property, which is preferably usable for a head up display and the like wherein a driver can look at the front view and an instrument display simultaneously without requiring to...http://www.google.com.au/patents/US8033360?utm_source=gb-gplus-sharePatent US8033360 - Interlayer film for laminated glass and laminated glass
