Patent application number | Description | Published |
20080248438 | ORTHODONTIC APPLIANCES AND MATERIALS FOR MAKING SAME - The polymeric shell of a removable dental positioning appliance is formed from transparent polymeric materials having a tensile strength at yield of greater than 6,000 pounds per square inch (psi), an elongation at yield of greater than 4%, an elongation at break of greater than 80%, a tensile modulus greater than 200,000 psi, a flexural modulus greater than 200,000 psi, stress relaxation over time of not more than 50%, and a transmissivity of light between 400 nm and 800 nm greater than 75%. | 10-09-2008 |
20080275539 | Polymeric endoprosthesis and method of manufacture - Improved polymeric endoprostheses and methods of making endoprostheses are disclosed. Said endoprostheses exhibit improved overall compliance, selective regional compliance, and selective radial strength without varying the geometries of selected regions. Numerous other physical characteristics of said endoprostheses may be selectively varied during manufacture. Some embodiments may comprise one or more erodible material. Some embodiments may comprise one or more therapeutics incorporated into said endoprosthesis via a solvent in a supercritical state. | 11-06-2008 |
20090028910 | Methods for Fabrication Isolated Micro-and Nano-Structures Using Soft or Imprint Lithography - The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography techniques. | 01-29-2009 |
20090053462 | PERFLUOROALKYL (METH)ACRYLATE POLYMERS AND THEIR USE AS SURFACTANT AND SUBSTRATE TREATING REAGENTS - The invention provides a polymer, useful as a surfactant and textile reagent, comprising: (a) monomeric units containing a lipophobic group, said monomeric units comprising a compound of Formula: (I); wherein: Z is a spacer; R is H or methyl; R | 02-26-2009 |
20090061152 | Methods for fabricating isolated micro- and nano- structures using soft or imprint lithography - The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique. | 03-05-2009 |
20090165320 | Photocurable perfluoropolyethers for use as novel materials in microfluidic devices - A functionalized photocurable perfluoropolyether is used as a material for fabricating a solvent-resistant microfluidic device. Such solvent-resistant microfluidic devices can be used to control the flow of small amounts of a fluid, such as an organic solvent, and to perform microscale chemical reactions that are not amenable to other polymer-based microfluidic devices. | 07-02-2009 |
20090216104 | USE OF ACID DERIVATIVES OF FLUOROPOLYMERS FOR FOULING-RESISTANT SURFACES - The presently disclosed subject matter describes acid-derivatized perfluoropolyether (PFPE) materials and their use as coatings, sealants, and flexible fillers for devices, apparatuses, and structural parts for a variety of medical applications, and as coatings, sealants, flexible fillers, and structural parts for vessels, structures, and machinery exposed to a marine environment. | 08-27-2009 |
20090220789 | TAGGANTS AND METHODS AND SYSTEMS FOR FABRICATING SAME - A micro or nanoparticle ( | 09-03-2009 |
20090266415 | NANOSTRUCTURES AND MATERIALS FOR PHOTOVOLTAIC DEVICES - A photovoltaic device includes an encapsulation layer fabricated from an elastomeric material, such as for example a perfluoropolyether having favorable optical properties, gas permeable, scratch resistant, conformal liquid material. The encapsulation layer can also include a structured surface for manipulating and trapping light incident on the photovoltaic device. | 10-29-2009 |
20090281250 | METHODS AND MATERIALS FOR FABRICATING MICROFLUIDIC DEVICES - Materials and Methods are provided for fabricating microfluidic devices. The materials include low surface energy fluoropolymer compositions having multiple cure functional groups. The materials can include multiple photocurable and/or thermal-curable functional groups such that laminate devices can be fabricated. The materials also substantially do not swell in the presence of hydrocarbon solvents. | 11-12-2009 |
20090304992 | Micro and Nano-Structure Metrology - Materials and methods for performing microscopy include applying a curable liquid polymer to a surface or structure to be characterized and polymerizing the polymer. The polymerized polymer represents a mold of the structure or surface and can be analyzed without disrupting the surface or structure needing characterization. The materials also do not leave a residue or otherwise alter a surface chemistry of the structure characterized. | 12-10-2009 |
20100016531 | PROCESS OF FLUOROMONOMER POLYMERIZATION - Methods of making fluoropolymers from at least one fluoromonomerin either (1) a heterogeneous medium comprising a carbon dioxide and an aqueous phase with or without hydrocarbon surfactants or dispersants or stabilizer, or (2) a homogenous medium containing carbon dioxide with one or more organic solvents, are described. | 01-21-2010 |
20100028994 | NANOPARTICLE FABRICATION METHODS, SYSTEMS, AND MATERIALS FOR FABRICATING ARTIFICIAL RED BLOOD CELLS - A plurality of artificial red blood cell particles includes each particle of the plurality being substantially monodisperse and each particle having a largest common linear dimension of about 5 μm to about 10 μm. The particles can also have a modulus configured such that a particle of the plurality of particles can pass through a tube having an inner diameter of less than about 3 μm. | 02-04-2010 |
20100055459 | Nanoparticles Having Functional Additives for Self and Directed Assembly and Methods of Fabricating Same - A plurality of nanoparticles, a structure assembled therefrom, a method of forming the structure, including a plurality of particles where each particle of the plurality of particles is configured with a substantially predetermined shape and a largest dimension less than about 100 micrometers, and where each particle of the plurality of particles includes an opening through the particle. | 03-04-2010 |
20100065976 | Methods of Making Orthodontic Appliances - Methods of making a removable dental positioning appliance include forming a sheet of transparent crystalline polymeric material into a shell having cavities shaped to receive and reposition teeth from a first orientation to a successive orientation. The polymeric material may then be annealed at a temperature above its glass transition temperature or cured if a curable material to enhance characteristics of the polymeric material. The polymeric material may be coated with a second transparent material. | 03-18-2010 |
20100147365 | HIGH FIDELITY NANO-STRUCTURES AND ARRAYS FOR PHOTOVOLTAICS AND METHODS OF MAKING THE SAME - A photovoltaic device includes an electron accepting material and an electron donating material. One of the electron accepting or donating materials is configured and dimensioned as a first component of a bulk heterojunction with a predetermined array of first structures, each first structure is substantially equivalent in three dimensional shape, has a substantially equivalent cross-sectional dimension, and where each first structure of the array of first structures has a substantially equivalent orientation with respect to adjacent first structures of the predetermined array forming a substantially uniform array. | 06-17-2010 |
20100151031 | DISCRETE SIZE AND SHAPE SPECIFIC ORGANIC NANOPARTICLES DESIGNED TO ELICIT AN IMMUNE RESPONSE - The presently disclosed invention is broadly directed to therapeutic micro- and/or nanoparticles designed to target an immune cell with an active agent. More particularly, the particles have a predetermined geometry and a broadest dimension of less than about 10 μm. The immune cell-targeted micro and/or nanoparticles may additionally comprise a biocompatible polymer. | 06-17-2010 |
20100196277 | NANOPARTICLE COMPOSITIONS FOR CONTROLLED DELIVERY OF NUCLEIC ACIDS - Micro- and nano-particles are molded in micro- and nano-scale molds fabricated from non-wetting, low surface energy polymeric materials. The micro- and nano-particles can include pharmaceutical compositions, biologic drugs, drug compositions, organic materials, RNA, DNA, oligonucleotides, and the like. | 08-05-2010 |
20100216928 | POLYMER PARTICLE COMPOSITE HAVING HIGH FIDELITY ORDER, SIZE, AND SHAPE PARTICLES - A polymer composite includes a polymer and an additive encased in the polymer, wherein the additive includes a plurality of isolated particles where each particle of the plurality of particles has a substantially predetermined three dimensional shape and is substantially oriented with respect to each other in a predetermined two dimensional array. | 08-26-2010 |
20110038913 | Polymeric endoprostheses with modified erosion rates and methods of manufacture - An erodible prosthesis comprising alternate rates of erosion is disclosed, wherein said alternate rates of erosion can be selectively initiated. Some embodiments according to the invention may comprise an agent for initiating an alternative rate of erosion, such as, for example, a sensitizer, dissolution inhibitor, photo-acid generator, biochemically active additive, thermally activated catalyst, light activated catalyst, electromagnetic radiation activated catalyst, hydration activated catalyst, pH activated catalyst, low melting agent, and/or enzyme activated catalyst. One or more of the foregoing agents may be dispersed within one or more layers. | 02-17-2011 |
20110062609 | Methods of Making Orthodontic Appliances - Methods of making a removable dental positioning appliance include forming a sheet of transparent crystalline polymeric material into a shell having cavities shaped to receive and reposition teeth from a first orientation to a successive orientation. The polymeric material may then be annealed at a temperature above its glass transition temperature or cured if a curable material to enhance characteristics of the polymeric material. The polymeric material may be coated with a second transparent material. | 03-17-2011 |
20110118824 | Intraluminal Prostheses and Carbon Dioxide-Assisted Methods of Impregnating Same with Pharmacological Agents - Intraluminal prostheses and methods of impregnating same with pharmacological agents for delivery within a body of a subject are provided. An intraluminal prosthesis comprising polymeric material is immersed in a mixture of carrier fluid and pharmacological agent(s). The mixture of carrier fluid and pharmacological agent is pressurized for a time sufficient to cause the polymeric material of the intraluminal prosthesis to swell such that the carrier fluid and pharmacological agent at least partially penetrate the swollen polymeric material. Pressure is then removed such that the carrier fluid diffuses out of the swollen polymeric material and such that a predetermined amount of the pharmacological agent remains elutably trapped within the polymeric material. | 05-19-2011 |
20110169198 | Intraluminal Prostheses Having Polymeric Material with Selectively Modified Crystallinity and Methods of Making Same - Methods of manufacturing polymeric intraluminal prostheses include annealing the polymeric material to selectively modify the crystallinity thereof. Annealing may be utilized to selectively modify various properties of the polymeric material of an intraluminal prosthesis, including: selectively increasing the modulus of the polymeric material; selectively increasing the hoop strength of the intraluminal prosthesis; selectively modifying the elution rate (increase or decrease) of a pharmacological agent subsequently disposed on or within the annealed polymeric material; selectively increasing/decreasing stress in the intraluminal prosthesis; and selectively modifying the polymeric material such that it erodes at a different rate. | 07-14-2011 |
20110182805 | Nanoparticle fabrication methods, systems, and materials - Nano-particles are molded in nano-scale molds fabricated from non-wetting, low surface energy polymeric materials. The nano-particles can include pharmaceutical compositions, taggants, contrast agents, biologic drugs, drug compositions, organic materials, and the like. The molds can be virtually any shape and less than 10 micron in cross-sectional diameter. | 07-28-2011 |
20110215045 | HIGH FIDELITY THROUGH HOLE FILM, AND ASSOCIATED METHOD - A membrane is provided, comprising a first membrane layer having a first side and a second side. The first membrane layer defines a plurality of holes extending along a first axis between the first side and the second side. Each hole is defined by the first membrane layer as a complex three-dimensional shape, and each hole has a diameter of less than about 10 micrometers. The membrane is fabricated by dispersing a liquid polymeric material onto a patterned master template, hardening the polymeric material, and removing it from the master template. The membrane includes through holes which correspond to the structures of the patterned master template in size, cross-sectional and three dimensional shape, orientation, and the like. | 09-08-2011 |
20110264030 | DELIVERY APPARATUS AND ASSOCIATED METHOD - A delivery apparatus for delivering a cargo to a target site of internal body tissue is provided. The delivery apparatus comprises a flexible tubular member having a distal end adapted for insertion proximate to the target site. A first electrode is configured for insertion within the flexible tubular member such that the first electrode is capable of being disposed proximate to the target site. A second electrode is configured to cooperate with the first electrode to form an electric field. A delivery component has a cargo carried thereby and is coupled with the first electrode. The delivery component is configured to degrade when exposed to the electric field such that the cargo is released to the target site upon degradation thereof. An associated method is also provided. | 10-27-2011 |
20120114554 | Engineered Aerosol Particles, And Associated Methods - An engineered aerosol particle for use in aerosol applications is provided. The engineered aerosol particle comprises a fabricated nanoparticle body member being non-spherical. The fabricated nanoparticle body member is configured to provide at least one of auto-rotation, tumbling, or lift when entrained in an airstream to thereby increase settling time of the fabricated nanoparticle body member. An associated method is also provided. | 05-10-2012 |
20120256354 | METHODS AND MATERIALS FOR FABRICATING MICROFLUIDIC DEVICES - Materials and Methods are provided for fabricating microfluidic devices. The materials include low surface energy fluoropolymer compositions having multiple cure functional groups. The materials can include multiple photocurable and/or thermal-curable functional groups such that laminate devices can be fabricated. The materials also substantially do not swell in the presence of hydrocarbon solvents. | 10-11-2012 |
20130011618 | PHOTOCURABLE PERFLUOROPOLYETHERS FOR USE AS NOVEL MATERIALS IN MICROFLUIDIC DEVICES - A functionalized photocurable perfluoropolyether is used as a material for fabricating a solvent-resistant microfluidic device. Such solvent-resistant microfluidic devices can be used to control the flow of small amounts of a fluid, such as an organic solvent, and to perform microscale chemical reactions that are not amenable to other polymer-based microfluidic devices. | 01-10-2013 |
20130177598 | DISCRETE SIZE AND SHAPE SPECIFIC PHARMACEUTICAL ORGANIC NANOPARTICLES - A pharmaceutical composition comprising protein micro and/or nanoparticles are provided. The particles have a predetermined geometric shape and a broadest dimension less than about 10 micrometers. The particles may further comprise active agents. | 07-11-2013 |
20130203675 | ASYMMETRIC BIOFUNCTIONAL SILYL MONOMERS AND PARTICLES THEREOF AS PRODRUGS AND DELIVERY VEHICLES FOR PHARMACEUTICAL, CHEMICAL AND BIOLOGICAL AGENTS - Asymmetric bifunctional silyl (ABS) monomers comprising covalently linked pharmaceutical, chemical and biological agents are described. These agents can also be covalently bound via the silyl group to delivery vehicles for delivering the agents to desired targets or areas. Also described are delivery vehicles which contain ABS monomers comprising covalently linked agents and to vehicles that are covalently linked to the ABS monomers. The silyl modifications described herein can modify properties of the agents and vehicles, thereby providing desired solubility, stability, hydrophobicity and targeting. | 08-08-2013 |
20130228950 | METHODS AND MATERIALS FOR FABRICATING MICROFLUIDIC DEVICES - Materials and methods are provided for fabricating microfluidic devices. The materials include low surface energy fluoropolymer compositions having multiple cure functional groups. The materials can include multiple photocurable and/or thermal-curable functional groups such that laminate devices can be fabricated. The materials also substantially do not swell in the presence of hydrocarbon solvents. | 09-05-2013 |
20130249138 | HIGH FIDELITY NANO-STRUCTURES AND ARRAYS FOR PHOTOVOLTAICS AND METHODS OF MAKING THE SAME - A photovoltaic device includes an electron accepting material and an electron donating material. One of the electron accepting or donating materials is configured and dimensioned as a first component of a bulk heterojunction with a predetermined array of first structures, each first structure is substantially equivalent in three dimensional shape, has a substantially equivalent cross-sectional dimension, and where each first structure of the array of first structures has a substantially equivalent orientation with respect to adjacent first structures of the predetermined array forming a substantially uniform array. | 09-26-2013 |
20130336884 | NANOPARTICLE FABRICATION METHODS, SYSTEMS, AND MATERIALS FOR FABRICATING ARTIFICIAL RED BLOOD CELLS - A plurality of artificial red blood cell particles includes each particle of the plurality being substantially monodisperse and each particle having a largest common linear dimension of about 5 μm to about 10 μm. The particles can also have a modulus configured such that a particle of the plurality of particles can pass through a tube having an inner diameter of less than about 3 μm. | 12-19-2013 |
20140072632 | METHODS FOR FABRICATING ISOLATED MICRO- OR NANO-STRUCTURES USING SOFT OR IMPRINT LITHOGRAPHY - The presently disclosed subject matter describes the use of fluorinated elastomer-based materials, in particular perfluoropolyether (PFPE)-based materials, in high-resolution soft or imprint lithographic applications, such as micro- and nanoscale replica molding, and the first nano-contact molding of organic materials to generate high fidelity features using an elastomeric mold. Accordingly, the presently disclosed subject matter describes a method for producing free-standing, isolated nanostructures of any shape using soft or imprint lithography technique. | 03-13-2014 |
20140081012 | NANOPARTICLE, LIPOSOMES, POLYMERS, AGENTS AND PROTEINS MODIFIED WITH REVERSIBLE LINKERS - Pharmaceutical, chemical and biological agents containing a reversible disulfide linker are described. These agents can also be covalently bound or contained in delivery vehicles for delivering the agents to desired targets or areas. Also described are delivery vehicles which contain an agent having a reversible disulfide linker and to vehicles that are covalently linked to the agent containing a reversible disulfide linker. The modifications described herein can modify properties of the agents and vehicles, thereby providing desired solubility, stability, hydrophobicity and targeting while the reversibility of the linker can leave the agent to which it is attached free from residual chemical groups after being reduced. | 03-20-2014 |
20140361463 | METHOD AND APPARATUS FOR THREE-DIMENSIONAL FABRICATION - The present invention relates to methods and an apparatus for the fabrication of solid three-dimensional objects from liquid polymerizable materials. | 12-11-2014 |
20150065670 | ASYMMETRIC BIFUNCTIONAL SILYL MONOMERS AND PARTICLES THEREOF AS PRODRUGS AND DELIVERY VEHICLES FOR PHARMACEUTICAL, CHEMICAL AND BIOLOGICAL AGENTS - Asymmetric bifunctional silyl (ABS) monomers comprising covalently linked pharmaceutical, chemical and biological agents are described. These agents can also be covalently bound via the silyl group to delivery vehicles for delivering the agents to desired targets or areas. Also described are delivery vehicles which contain ABS monomers comprising covalently linked agents and to vehicles that are covalently linked to the ABS monomers. The silyl modifications described herein can modify properties of the agents and vehicles, thereby providing desired solubility, stability, hydrophobicity and targeting. | 03-05-2015 |
20150066133 | Intraluminal Prostheses Having Polymeric Material With Selectively Modified Crystallinity - Methods of manufacturing polymeric intraluminal prostheses include annealing the polymeric material to selectively modify the crystallinity thereof. Annealing may be utilized to selectively modify various properties of the polymeric material of an intraluminal prosthesis, including: selectively increasing the modulus of the polymeric material; selectively increasing the hoop strength of the intraluminal prosthesis; selectively modifying the elution rate (increase or decrease) of a pharmacological agent subsequently disposed on or within the annealed polymeric material; selectively increasing/decreasing stress in the intraluminal prosthesis; and selectively modifying the polymeric material such that it erodes at a different rate. | 03-05-2015 |
20150072293 | CONTINUOUS LIQUID INTERPHASE PRINTING - A method of forming a three-dimensional object is carried out by providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; filling the build region with a polymerizable liquid; irradiating the build region through the optically transparent member to form a solid polymer from the polymerizable liquid and advancing the carrier away from the build surface to form the three-dimensional object from the solid polymer, while also concurrently with the irradiating and/or advancing steps: (i) continuously maintaining a dead zone of polymerizable liquid in contact with the build surface, and (ii) continuously maintaining a gradient of polymerization zone between the dead zone and the solid polymer and in contact with each thereof. The gradient of polymerization zone comprises the polymerizable liquid in partially cured form (e.g., so that the formation of fault or cleavage lines between layers of solid polymer in the three-dimensional object is reduced). Apparatus for carrying out the method is also described. | 03-12-2015 |