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187 Results for 'Materials & Chemicals'
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Technology
Method of Orientating Fillers in Polymer Composite Materials
Over the past decade, polymer composites have emerged as a new class of high performance materials with unique and desirable material properties such as strength, weight and rigidity. These composites...
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Xiaochun Li, Lih-Sheng Turng, Larry Holmes, Yiyan Peng | P09239US
Technology
Machining of Lithium Niobate by Laser Fracturing
Lithium niobate is used in the fabrication of a wide variety of optical and electro-optic devices, including optical modulators, switches, frequency shifting devices, polarized controllers and pulsed ...
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Leon McCaughan, Chad Staus | P02194US
Technology
Method and Apparatus for Producing Colloidal Nanoparticles in a Dense Medium Plasma
Nanoparticles are important components in the development of sensor, aerosol, filter, biomedical, dielectric, optical and electronic applications. Various procedures to produce nanoparticles exist; ho...
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Ferencz Denes, Noah Hershkowitz, Sorin Manolache | P00238US
Technology
Method and Additive for Improving the Properties of Thin-Wall Castings
Ductile iron (DI) and compacted graphite iron (CGI) exhibit excellent castability, allowing the production of thin-wall castings. However, rapid cooling during solidification of these thin-wall castin...
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Carl Loper, Simon Lekakh | P02357US
Technology
Method of Treating Surfaces to Create Extremely Hard Carbon Films
The extreme characteristics of diamond, including hardness, wear-resistance, biocompatibility, optical transparency and electric insulating properties, make it very useful for a range of industrial ap...
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Ferencz Denes, Sorin Manolache, Luis Emilio Cruz-Barba | P03169US
Technology
Organoelement Resists for EUV Lithography
Extreme ultraviolet (EUV) lithography is one of the most promising techniques for creating semiconductor devices, integrated circuits and microelectronic devices with nanoscale features (i.e., smaller...
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Paul Nealey, Franco Cerrina, Lin Zhu, Junyan Dai, Christopher Ober | P04335US
Technology
Semi-Solid Forming of Metal-Matrix Nanocomposites
Semi-solid casting (SSC) is a high-integrity die casting technique, wherein metal is injected into a mold cavity in a semi-liquid/solid state with a “slushy” consistency. Semi-solid metal ...
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Xiaochun Li, Lih-Sheng Turng, Michael DeCicco | P05344US
Technology
Device and Method for Plasma Modification of Materials at Atmospheric Pressure
To date, plasma-enhanced surface modification of materials has been performed mostly under vacuum, due to the high efficiency of plasma discharge at low pressure. However, not only are vacuum systems ...
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Ferencz Denes, Sorin Manolache, Noah Hershkowitz | P01347US
Technology
Thin-Film Lithium Niobate and a Method of Producing It
Ferroelectric materials, such as crystalline lithium niobate, are very useful for fabricating a variety of optical and electronic devices, including optical switches and modulators, frequency switchin...
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Leon McCaughan, Thomas Kuech, Dovas Saulys, Vladimir Joshkin, Aref Chowdhury | P01007US
Technology
Solid Polysiloxane Electrolyte for Use in Lithium Batteries
Lithium batteries, such as those found in wristwatches, cell phones and computers, are typically filled with a viscous, liquid polymer electrolyte. These batteries are often preferred over conventiona...
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Robert West, Zhengcheng Zhang | P01416US
Technology
Chemical Synthesis of Reagents for Peptide Coupling
The Staudinger ligation method for synthesizing peptides requires phosphinothiol reagents that are not commercially available. The current method for making phosphinothiols is complicated (involving f...
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Ronald Raines, Laura Kiessling, Bradley Nilsson, Matthew Soellner, Yi He, Ronald Hinklin | P02304US
Technology
Heterogeneous Protein Foldamers Containing Alpha, Beta and Gamma Amino Acids
Foldamers are synthetic protein oligomers with discrete and predictable folding properties akin to those of natural proteins. They provide molecular tools to investigate large-molecule interactions su...
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Samuel Gellman, Ahlke Hayen, Margaret Schmitt, Felix Ngassa | P02125US
Technology
Plasma-Enhanced Functionalization of Carbon-Containing Substrates
Before DNA or proteins can be attached to a surface during the making of microarrays, the surface must be functionalized, i.e., chemically prepared to carry functional groups capable of...
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Ferencz Denes, Sorin Manolache, Luis Emilio Cruz-Barba, Max Lagally, Bradley Larson | P03334US
Technology
Zirconium-Rich Bulk Metallic Glass Alloys
Bulk metallic glasses (BMGs) exhibit unique properties including high strength, excellent wear and corrosion resistance, high resistance to fractures and outstanding castability. They are also inexpen...
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Y. Austin Chang, Hongbo Cao, Dong Ma, Ling Ding, Ker-chang Hsieh | P04251US
Technology
Methods and Compositions for Forming Aperiodic Patterned Copolymer Films
As the development of nanoscale devices increases, the need for materials and methods that can duplicate nanoscale patterns over large areas is growing. Block copolymer materials are useful in nanofab...
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Paul Nealey, Sang Ouk Kim, Erik Edwards, Mark Stoykovich, Juan DePablo | P05119US
Technology
Producing Methyl Vinyl Ketone from Levulinic Acid
Levulinic acid is a biomass-derived compound that can be obtained inexpensively in high yields from a variety of waste cellulose-containing materials. It has been identified as a top biomass-derived c...
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James Dumesic, Ryan West | P09350US01
Technology
Friction-Stir Welding of Dissimilar Metals with High Weld Strength
Recent surveys have identified welding of dissimilar metals as a top priority in materials joining technology. Friction-stir welding currently is the best potential process for welding dissimilar meta...
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Sindo Kou, Vahid Firouzdor | P09344US01
Technology
Arc-Enhanced Friction Stir Welding
In friction stir welding (FSW), a rotating, cylindrical tool with a pin on its end is slowly plunged into a workpiece and moved along the joint to be welded. As the tool rotates, it generates friction...
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Sindo Kou, Guoping Cao | P05041US
Technology
Nanoporous Protective Coatings for Corrosion and Wear Resistance of Metal Substrates
Heat exchangers are used in chemical processing; power production; household appliances such as air conditioners, refrigerators and space heaters; and even automobile radiators. Plate heat excha...
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Marc Anderson, Maria Isabel Tejedor-Anderson, Ole Christensen | P08101US02
Technology
Low-Temperature Process to Produce Hydrocarbons from Oxygenated Substrates, Including Sugars
Hydrocarbon feedstocks currently are extracted from petroleum reserves in the ground and combusted to generate energy. They are transported easily as liquids, but are non-renewable and their comb...
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Randy Cortright, James Dumesic | P02136US
Technology
Cost-Effective Synthesis of HMF from Fructose
Increasing demand of petrochemical resources to produce the energy and chemical materials required by industrialized societies with growing populations combined with a diminishing supply has resulted ...
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James Dumesic, Yuriy Roman-Leshkov, Juben Chheda | P06305US
Technology
Efficient Method of Synthesizing Gamma2-Amino Acids for Applications in Medicine, Materials, Healthcare
Unnatural polymers that contain β- and γ-amino acids are known as "foldamers." These foldamers form long-lasting, predictable structures that are very stable and resistant to prot...
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Samuel Gellman, Yonggui Chi, Li Guo | P07405US
Technology
Plasma-Enhanced Functionalization of Inorganic Oxide Surfaces
Bioactive surfaces created by binding biomolecules to the surface of inorganic substrates are used in many bioassays, biosensors, and other devices. One common approach to functionalizing surfaces so ...
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Ferencz Denes, Sorin Manolache, Jason Helgren, Max Lagally, Bradley Larson | P04163US
Technology
Use of Glycorandomization to Produce Novel Glycosylated Products for Drug Discovery
Many of the compounds used in drug discovery by pharmaceutical companies are glycosylated, bacterial secondary metabolites. A glycosylated metabolite consists of a central core structure (aglycon) and...
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Jon Thorson | P04020US
Technology
Materials and Methods for Creating Nanoscale Patterned Features with Atomically Smooth Surfaces
Production of faster, more powerful microelectronics requires that device features continue to shrink in size. Current lithographic processes based on chemically amplified resists routinely pattern fe...
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Paul Nealey, Erik Edwards, Juan DePablo, Tushar Jain | P05233US