The disclosed invention relates to novel norbornene-type monomers containing pendent lactone or sultone groups. The invention also relates to norbornene-type polymers and copolymers comprising one or more repeating units represented by the formula:...http://www.google.com.au/patents/US7101654?utm_source=gb-gplus-sharePatent US7101654 - Norbornene-type monomers and polymers containing pendent lactone or sultone groups