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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 ...
Solvent depression of transition temperature to selectively stimulate actuation of shape memory polymer foams
(United States. Patent and Trademark Office, 2020-02-04)
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 ...
Surface modification of polymer foams using plasma
(United States. Patent and Trademark Office, 2020-09-22)
An embodiment includes a system comprising: a monolithic shape memory polymer (SMP) foam having first and second states; wherein the SMP foam includes: (a) polyurethane, (b) an inner half portion having inner reticulated ...
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. ...
Chemically Modified Shape Memory Polymer Embolic Foams With Increased X-ray Visualization
(United States. Patent and Trademark Office, 8/9/2022)
An embodiment includes a system comprising: an iodine containing thermoset open-cell shape memory polymer (SMP) foam that is x-ray visible; wherein (a) the SMP foam is configured to expand from a compressed secondary state ...
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 ...
Surface Modification Of Polymer Foams Using Plasma
(United States. Patent and Trademark Office, 10/4/2022)
An embodiment includes a system comprising: a monolithic shape memory polymer (SMP) foam having first and second states; wherein the SMP foam includes: (a) polyurethane, (b) an inner half portion having inner reticulated ...