Patent application number | Description | Published |
20080213564 | MODIFIED POROUS MATERIALS AND METHOD OF FORMING THE SAME - Modified porous materials are disclosed having interconnected, complexly shaped three-dimensional surfaces. The modification is accomplished by crosslinking the three-dimensional surfaces or by incorporating, in situ, an inorganic material onto or into three-dimensional surfaces. The porous materials are macro structures including at least one of nano-features, micro-features, and combinations thereof. The modifying accomplishes changing surface properties of the porous materials, changing the three-dimensional surfaces, and/or rendering the porous materials substantially stable in a predetermined environment. | 09-04-2008 |
20080254095 | DELIVERY DEVICE AND METHOD FOR FORMING THE SAME - A delivery device includes a hollow container, and a plurality of biodegradable and/or erodible polymeric layers established in the container. A layer including a predetermined substance is established between each of the plurality of polymeric layers, whereby degradation of the polymeric layer and release of the predetermined substance occur intermittently. Methods for forming the device are also disclosed herein. | 10-16-2008 |
20080268059 | IMMOBILIZING PARTICLES ONTO SURFACES - A method for immobilizing micro-particles, nano-particles or combinations thereof onto a surface is disclosed. The method includes distributing the micro-particles, nano-particles or combinations thereof onto the surface. The surface and the particles are exposed to thermal treatment, vapor treatment or combinations thereof, thereby adhering at least some of the micro-particles, nano-particles or combinations thereof to the surface. Materials including such immobilized micro-particles, nano-particles or combinations thereof are also disclosed herein. | 10-30-2008 |
20080317816 | POROUS OBJECTS HAVING IMMOBILIZED ENCAPSULATED BIOMOLECULES - A porous object includes a porous material having internal pore surfaces and external pore surfaces. Releasing material encapsulated biomolecules are immobilized on at least one of the internal pore surfaces, at least one of the external pore surfaces, or combinations thereof. | 12-25-2008 |
20100048734 | HYDROPHILIC COPOLYMERS AND ASSEMBLIES CONTAINING THE SAME - A water soluble copolymer includes first and second hydrophilic block segments or graft chains. The first hydrophilic block segment or graft chain contains cyclodextrin groups in at least a majority of its repeating units, and the second hydrophilic block segment or graft chain contains repeating units other than cyclodextrin groups. The first and second block segments or graft chains are covalently linked. | 02-25-2010 |
20110311746 | SCAFFOLDS AND METHODS OF FORMING THE SAME - Various embodiments of scaffolds are disclosed herein. In one embodiment, the scaffold includes a tubular polymeric structure, and a controlled gradient of solid-walled microtubules oriented radially or axially in the tubular polymeric structure. In another embodiment, the scaffold includes a nano-fibrous tubular polymeric structure, and an oriented and interconnected microtubular porous network formed in the nano-fibrous tubular polymeric structure. In still another embodiment, a composite scaffold is formed including a polymeric structure having an inner wall and an outer wall, and at least one electrospun layer positioned along at least one of the inner wall, or the outer wall, or in a middle of the porous polymeric structure. | 12-22-2011 |
20120301516 | PARTICLE- CONTAINING COMPLEX POROUS MATERIALS - Porous materials and methods for forming them are disclosed. One method for immobilizing micro-particles and/or nano-particles onto internal pore surfaces and/or external pore surfaces of porous materials includes suspending the micro-particles and/or nano-particles in a liquid adapted to swell, soften, and/or deform either the porous materials and/or the particles, thereby forming a liquid-particle suspension. The method further includes adding the suspension to the porous materials; and removing the liquid, thereby forming the porous materials having the micro-particles and/or nano-particles immobilized on the internal pore surfaces and/or the external pore surfaces. | 11-29-2012 |
20120308825 | NANO-FIBROUS MICROSPHERES AND METHODS FOR MAKING THE SAME - Nano-fibrous microspheres and methods for forming them are disclosed herein. In one embodiment the microsphere includes a plurality of nano-fibers aggregated together in a spherical shape; and a plurality of pores formed between at least some of the plurality of nano-fibers. The nano-fibers are formed of star-shaped polymers. | 12-06-2012 |