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Solvent depression of transition temperature to selectively stimulate actuation of shape memory polymer foams
(United States. Patent and Trademark Office, 2021-09-07)
An embodiment of the invention is a shape memory polymer (SMP) foam designed to recover its original shape through exposure to a solvent. Thermo-responsive SMPs are polymers designed to maintain a programmed secondary shape ...
Medical devices coated with shape memory polymer foams
(United States. Patent and Trademark Office, 2020-02-18)
An embodiment includes a system comprising: a substrate of a medical device; an un-foamed polyurethane coating directly contacting the substrate and fixedly attached to the substrate; a thermoset polyurethane shape memory ...
Processable, tunable thio-ene crosslinked polyurethane shape memory polymers
(United States. Patent and Trademark Office, 2020-08-04)
An embodiment includes a platform shape memory polymer system. Such an embodiment exhibits a blend of tunable, high performance mechanical attributes in combination with advanced processing capabilities and good biocompatibility. ...
Medical Devices Coated With Shape Memory Polymer Foams
(United States. Patent and Trademark Office, 6/28/2022)
An embodiment includes a system comprising: a substrate of a medical device; an un-foamed polyurethane coating directly contacting the substrate and fixedly attached to the substrate; a thermoset polyurethane shape memory ...