Patent ID: 7282269

Claim:
A pharmaceutical container adapted for storage and/or delivery of medical or pharmaceutical preparations, the container including at least one shaped component serving as a sealing barrier for the contents of the container, the component comprising in direct contact with the contents a moisture cured silylated isobutylene copolymer composition which is the product of contacting: a) a copolymer of isobutylene and para-methylstyrene containing from 0.1 to 20 wt % of para-methylstyrene; b) a silane of the general formula: wherein R is an alkenyl group having 2 to 10 carbon atoms, R′ is independently selected from hydrocarbon or halogenated hydrocarbon groups, X is a silicon-bonded hydrolyzable group selected from alkoxy, acyloxy, ketoxime, amino, amido, aminoxy or alkenyloxy group, and n is 2 or 3, c) a free radical generating agent, and d) a processing oil is present, and comprises less than 5 phr based on the component.