Patents and Patent Applications from Kent State University


Matches 1 - 50 out of 172 1 2 3 4 >
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8092783 Gadolinium containing prussian blue nanoparticles as nontoxic MRI contrast agents having high relaxivity  
Gadolinium+3 (Gd3+) containing (or incorporated) Prussian blue lattice contrast agents that can be used as an MRI contrast agent have unexpectedly improved r1 relaxivities of 1 or 2 magnitudes...
US20110309305 Flexible aqueous soluble conductive polymer compositions  
A conductive, durable, peelable and flexible polymeric composition such as a coating can be utilized as an electrode sheet or substrate for organic and polymer light emitting diodes, for organic...
8081272 Method of fabricating electro-optical devices with polymer-stabilized liquid crystal molecules  
In a preparation method, a chiral or cholesteric liquid crystal, a photoreactive monomer, and a photoinitiator are disposed in a liquid crystal cell. A principal surface of the liquid crystal cell...
8056398 Broad-range nanoliter rheometer  
A nanoliter rheometer is capable of operating over a wide range of temperatures and permits visual observation of extremely small amounts of various often complex and/or expensive small nanoliter...
8054413 Stressed liquid crystals materials for light modulation  
A new light modulating material using interconnected unidirectionally oriented microdomains of a liquid crystal, dispersed in a stressed polymer structure, is provided. The light modulating...
8035279 Electro-mechanical energy conversion devices and systems  
There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of...
8000958 Device and method for improving communication through dichotic input of a speech signal  
The device and method of the present invention improves electronic communication which have behavioral consequences, including for example, flight communication, two-way closed circuit...
US20110170039 Photo-patterned pre-tilt liquid crystal cells, lenses and methods  
Liquid crystal cells and lenses having a variable resulting pre-tilt across two or more areas of the cell, and in particular, cells and lenses are provided wherein a resulting pre-tilt is varied...
US20110160301 ASCORBATE, VITAMIN K3 AND HYDROXYTOLANS IN THE TREATMENT OF CANCER  
The combination of compounds of the hydroxytolan family with ascorbate plus naphthoquinone (Vitamin K3; VK3), or a quinone or semiquinone analogue of VK3, kill tumor cells, inhibit tumor growth and...
US20110130468 HYDROXYLATED TOLANS AND RELATED COMPOUNDS IN THE TREATMENT OF A CANCER  
Compounds of the hydroxytolan family kill tumor cells, inhibit tumor growth and development, and are thus useful in method for treating a tumor or cancer in subjects in need thereof. These...
7935655 Nanostructured core-shell electrocatalysts for fuel cells  
Catalytic layers for use in the electrodes of fuel cells including a non-noble metal substrate layer coated with one or a few monolayers of noble metal, such as Pt. These thin, highly porous...
US20110089382 METHODS AND SYSTEMS FOR MONITORING AND CONTROLLING SURFACTANT CONCENTRATION IN LIQUID CRYSTAL COLLOIDAL DISPERSIONS  
There are provided methods and systems for precisely controlling the surfactant concentration and character of ferroelectric nanoparticles in a ferroelectric liquid crystal dispersion. In an...
7927827 Detection and amplification of ligands  
A system for the detection of ligands comprising at least one receptor and an amplification mechanism coupled to the receptor wherein an amplified signal is produced as a result of receptor binding...
US20110085229 Methods and Apparatus for Controlling Dispersions of Nanoparticles  
Electrically reconfigurable metamaterial with spatially varied refractive index is proposed for applications such as optical cloaks and lenses. The apparatus and method comprises a metamaterial in...
US20110068493 Stimuli responsive liquid crystal-polymer composite fibers  
A process for making a stimuli responsive liquid crystal-polymer composite fiber comprising mixing a liquid crystal, a polymer, and a solvent; processing the mixture in the presence of an electric...
US20110063564 LIQUID CRYSTAL COMPOSITE, CELL, DEVICE, AND METHOD THEREOF  
The invention provides a liquid crystal (LC) composite, a LC cell, a LC device, and a method thereof. The LC composite comprises (i) a liquid crystal material, and (ii) a copolymer polymerized from...
7903228 Material for liquid crystal cell  
A liquid crystal device comprises ferroelectric particles suspended in a liquid crystal material. A method for fabricating a light-modulating device is also disclosed. The method comprises the...
US20110025955 Tunable electro-optic liquid crystal lenses and methods for forming the lenses  
Electro-optic lenses, including liquid crystals, wherein the power of the lenses can be modified by application of an electric field. In one embodiment, the liquid crystal-based lenses include ring...
US20110017949 Methods and apparatus to produce aligned film of lyotropic chromonic liquid crystals  
The present invention comprises a device and method for ordering molecules of lyotropic chromonic liquid crystals to aligned structure of a dried film. An example of an aligned film may be...
US20100318652 APPARATUS AND METHODS FOR REAL-TIME MULTIMEDIA NETWORK TRAFFIC MANAGEMENT & CONTROL IN WIRELESS NETWORKS  
The invention is directed to network management systems and methods that provide substantially real-time network management and control capabilities of multimedia streaming traffic in...
US20100315568 Liquid crystal devices and methods providing fast switching mode  
A liquid crystal device includes carbon nanotube-doped liquid crystal materials that have a fast switching mode. The liquid crystals may be nematic liquid crystals contained in an optically...
US20100289999 LIQUID CRYSTAL COMPOSITION, DEVICE AND METHOD THEREOF  
The invention provides a liquid crystal (LC) composition, a LC device such as a liquid crystal display and a phase modulator, and a method thereof. The liquid crystal composition comprises a liquid...
7832093 Method of creating an electro-mechanical energy conversion device  
There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of...
US20100279125 Film comprising substrate-free polymer dispersed liquid crystal; fiber, fabric, and device thereof; and methods thereof  
The invention provides a film comprising a polymer dispersed liquid crystal (PDLC) which exists independently from a substrate, i.e. a substrate-free PDLC; a fiber, a fabric, and a device thereof;...
US20100278312 CORE MEASUREMENTS STAND FOR USE WITH A PORTABLE XRF ANALYZER  
A support stand for an associated handheld analyzer is used to measure properties of an associated soil sample. The stand includes a shield situated in a first plane above an associated soil...
7812919 Cholesteric liquid crystal light modulators  
This invention relates to a method of fabrication of liquid crystal light modulating devises having electrically tunable spectral wavelength and more particularly, to a cholesteric liquid crystal...
7812042 Pharmaceutical compositions and therapeutic applications for the use of a novel vitamin B12 derivative, N-acetyl-L-cysteinylcobalamin  
Therapeutic applications, such as prevention, treatment and supplementation, for the use of novel and other thiolatocobalamins to protect human cells against the effects of oxidative stress. In...
US20100254912 Gadolinium containing prussian blue nanoparticles as nontoxic MRI contrast agents having high relaxivity  
Gadolinium+3 (Gd3+) containing (or incorporated) Prussian blue lattice contrast agents that can be used as an MRI contrast agent have unexpectedly improved r1 relaxivities of 1 or 2 magnitudes...
US20100225868 TRANSPARENT CONDUCTING ELECTRODES AND METHOD FOR PRODUCING  
The invention relates to flexible liquid crystal devices and methods, and the electrically conducting backplane of a liquid crystal display for example. A substrate is provided that supports...
US20100215587 MATERIALS AND METHODS FOR MRI CONTRAST AGENTS AND DRUG DELIVERY  
A material useful as a MRI contrast agent used for medical imaging, drug delivery platform or other functions are provided as a class of non-gadolinium and non-iron oxide based materials that...
7782438 Fast switching electro-optical devices using banana-shaped liquid crystals  
The invention is directed to liquid crystal display and electro-optical devices having faster switching times, a wider viewing angle, continuous gray level, improved transmittance of the clear...
US20100209815 NANOSTRUCTURED CORE-SHELL ELECTROCATALYSTS FOR FUEL CELLS  
Catalytic layers for use in the electrodes of fuel cells including a non-noble metal substrate layer coated with one or a few monolayers of noble metal, such as Pt. These thin, highly porous...
US20100207493 ELECTRO-MECHANICAL ENERGY CONVERSION DEVICES AND SYSTEMS  
There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of...
7777850 Method of plasma beam bombardment of aligning films for liquid crystals  
Methods for treating aligning substrates produces uniform alignment of liquid crystals in at least two modes. The method is based on the treatment of liquid crystal aligning substrates with a...
7777046 Method of synthesis of a salt of N-acetyl-L-cysteinylcobalamin  
The invention provides a method for preparing the sodium salt of the novel thiol derivative of vitamin B12, N-acetyl-L-cysteinylcobalamin (Na[NACCbl]). The method involves carrying out the reaction...
US20100182026 METHODS AND SYSTEMS FOR DETERMINING FLEXOELECTRIC EFFECT IN A LIQUID CRYSTAL  
There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of...
7758773 Non-synthetic method for modifying properties of liquid crystals  
This disclosure outlines a new method of modifying the properties of existing liquid crystals by doping them with ferroelectric micro- and nanoparticles. We show that this approach, in contrast to...
7733452 Materials for promoting alignment of liquid crystals on SiOx and other substrates  
The present invention relates to a liquid crystal alignment agent, a liquid crystal device produced by using the liquid crystal alignment agent thereof, and a method for alignment of liquid crystal...
7732219 Detection and amplification of ligands  
A system for the detection of ligands comprising at least one receptor and an amplification mechanism coupled to the receptor wherein an amplified signal is produced as a result of receptor binding...
US20100115764 STRESSED LIQUID CRYSTALS MATERIALS FOR LIGHT MODULATION  
A new light modulating material using interconnected unidirectionally oriented microdomains of a liquid crystal, dispersed in a stressed polymer structure, is provided. The light modulating...
7714965 Method of plasma beam bombardment of aligning films for liquid crystals  
Methods for treating aligning substrates produces uniform alignment of liquid crystals in at least two modes. The method is based on the treatment of liquid crystal aligning substrates with a...
US20100099076 SENSITIVE AND RAPID DETECTION OF VIRAL PARTICLES IN EARLY VIRAL INFECTION BY LASER TWEEZERS  
The present system and methods allow for low level detection of as little as single pathogen particles, such as viral or bacterial particles, during the early stage of infection. An optical...
7692731 Electric power generation using liquid crystals  
A new way of generating electrical power by changing the dielectric properties of liquid crystals by mechanical means is described. Such a method and device take advantage of the nature of the...
US20100051194 POLYMER ENHANCED CHOLESTERIC ELECTRO-OPTICAL DEVICES  
The present invention provides liquid crystal devices comprised of a composite of an internal polymer network localized on the substrate surfaces and short-pitch dual-frequency switchable...
7666380 Imprinted mesoporous carbons and a method of manufacture thereof  
A porous carbon composition comprises carbon particles having substantially uniform mesopores, wherein the mesopores have a diameter greater than 5 nanometers. A carbon composition may also...
US20100029952 Fluorogenic compounds converted to fluorophores by photochemical or chemical means and their use in biological systems  
Fluorophores derived from photoactivatable azide-pi-acceptor fluorogens or from a thermal reaction of an azide-pi-acceptor fluorogen with an alkene or alkyne are disclosed. Fluorophores derived...
7652731 Polymer enhanced cholesteric electro-optical devices  
The present invention provides liquid crystal devices comprised of a composite of an internal polymer network localized on the substrate surfaces and short-pitch dual-frequency switchable...
US20100002177 LIQUID CRYSTAL ALIGNMENT USING INKJET PRINTED POLYMERS  
A method of preparing liquid crystal alignment films using an inkjet printer to control liquid crystal alignment is disclosed. The alignment ink is formulated from a single alignment material or...
US20090290078 BISTABLE SWITCHABLE LIQUID CRYSTAL WINDOW  
A bistable switchable liquid crystal device is provided in which the device can be switched between a transparent and an opaque state by a predetermined voltage pulse. The device is based on...
7604850 Biaxial liquid crystal electro-optic devices  
An electro-optical device including a biaxial liquid crystal having a primary and secondary director is provided. A change in orientation of at least one of the directors due to an applied electric...
Matches 1 - 50 out of 172 1 2 3 4 >