A method of acoustically attenuating noises of structure-borne origin in an article of manufacture by installing a laminated window having a glass sheet and an intermediate film, where the film has a loss factor tan δ greater than 0.6 and a shear modulus G′ smaller than 2×107 N/m2 in a temperature...http://www.google.com.au/patents/US7121380?utm_source=gb-gplus-sharePatent US7121380 - Soundproofing laminated window for vehicles