Patent ID: 8353346

Claim:
A wellbore device comprising: at least one polymeric shape-memory material having an original glass transition temperature (T g ) and an original rigidity; and a deployment fluid contacting the polymeric shape-memory material in an amount effective to have an effect upon the polymeric shape-memory material, the effect selected from the group consisting of lowering the T g , decreasing the rigidity, and both, where the deployment fluid is selected from the group consisting of dimethyl sulfoxide, ketones, alcohols, glycols, ethers, and mixtures thereof; where the wellbore device has the property that when substantially all of the deployment fluid is removed from the polymeric shape-memory material, an effect is obtained selected from the group consisting of restoring the T g to within at least about 90% of the original T g restoring the rigidity within at least about 25% of the original rigidity, and both.