An elastomerically recoverable PTFE material is provided including a longitudinally compressed fibrils of ePTFE material penetrated by elastomeric material within the pores defining the elastomeric matrix. The elastomeric matrix and the compressed fibrils cooperatively expand and recover without plastic...http://www.google.com.au/patents/US7789908?utm_source=gb-gplus-sharePatent US7789908 - Elastomerically impregnated ePTFE to enhance stretch and recovery properties for vascular grafts and coverings
