3KYOGO T.,WSAMU S.,NOBUYUKI S.,SATOSHI H. Water-based polyurethane resin composition for condom and method for producing condom:JP 2002-363250 [P]. 2002-12-18.
4KYOGO T.,WSAMU S.,NOBUYUKI S.,SATOSHI H. Aqueous anionic polyurethane resin composition for con- dom and method for producing condom:JP 2002-256145 [P] .2002-09-1 1.
5MICHAEL H.D.,CHRISTOPHE B. Thin condom Com- prising a natural rubber and a polyurethane WO2008075067 [P].2008-06-26.
6KOONCE W. A.,BHATTACHARJEE D.,GRIBBLE M. Y.,et al. Polyurethane films prepared by electro-deposition fi:om polyurethane dispersions:US6514572[P]. 2003-02-04.