Abstract: New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.

Abstract: Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is generally prepared by delivering components of materials to predefined regions on a substrate, and simultaneously reacting the components to form at least two materials. Materials which can be prepared using the methods and apparatus of the present invention include, for example, covalent network solids, ionic solids and molecular solids. More particularly, materials which can be prepared using the methods and apparatus of the present invention include, for example, inorganic materials, intermetallic materials, metal alloys, ceramic materials, organic materials, organometallic materials, non-biological organic polymers, composite materials (e.g., inorganic composites, organic composites, or combinations thereof), etc.

Abstract: The present invention is directed to carbon monoxide oxidation reactions in the presence of an O2 containing gas, nitrogen oxide conversion reactions, volatile organic compound conversion reactions in the presence of an O2 containing gas, and combinations thereof, and catalysts for use in those reactions. The catalyst comprises cobalt, its oxides or mixtures thereof and ruthenium, its oxides or mixtures thereof.

Abstract: Systems and methods for preparing electrocatalysts are disclosed. The system includes a high temperature synthesis device for preparing an array of electrocatalysts as electrolytic surfaces of working electrodes. At least a portion of the electrolytic surfaces are defined by different materials. The device includes a plurality of openings for receiving the array of working electrodes and a mask having a plurality of openings configured for exposing at least a portion of each of the working electrodes for forming the electrolytic surfaces thereon.

Abstract: A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and tungsten, or an oxide, carbide and/or salt of one or more of platinum, copper and tungsten, wherein the sum of the concentrations of platinum, copper and tungsten, or an oxide, carbide and/or salt thereof, is greater than 90 atomic percent.

Abstract: The present invention is directed to the preparation of photoresist polymers via living free radical polymerization techniques. Sterically bulky ester monomers are utilized as the polymerization components. Use of chain transfer agents is included in polymerization processing conditions. Cleavage of polymer terminal end groups that include a heteroatom are described.

Abstract: The present invention is directed to a composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, nickel, and iron, wherein (i) the concentration of platinum is greater than 50 atomic percent, the concentration of nickel is less than 15 atomic percent and/or the concentration of iron is greater than 30 atomic percent, or (ii) the concentration of platinum is greater than 70 atomic percent and less than about 90 atomic percent. The present invention is further directed to a process for preparing such a catalyst composition from a catalyst precursor composition comprising platinum, nickel, and iron, wherein the concentration of platinum therein is less than 50 atomic percent.

Abstract: A parallel reactor system including a reactor and vessels in the reactor for holding reaction mixtures, and a cannula for introducing fluid reaction material into the vessels. A robot system is operable to insert the cannula into cannula passages in the reactor for delivery of reaction materials, including condensed gases, to respective vessels, and to withdraw the cannula from the cannula passages after delivery. Related methods are also disclosed.

Abstract: Methods and apparatus for screening diverse arrays of materials using infrared imaging techniques are provided. Typically, each of the individual materials on the array will be screened or interrogated for the same material characteristic. Once screened, the individual materials may be ranked or otherwise compared relative to each other with respect to the material characteristic under investigation. According to one aspect, infrared imaging techniques are used to identify the active sites within an array of compounds by monitoring the temperature change resulting from a reaction. This same technique can also be used to quantify the stability of each new material within an array of compounds. According to another aspect, identification and characterization of condensed phase products is achieved, wherein library elements are activated by a heat source serially, or in parallel.

Abstract: Devices and methods for evaluating an electrochemical reaction are disclosed. A device includes an electrochemical cell having a cavity for containing a liquidus electrolyte, a first working electrode having at least one electrolytic surface at least partially within the cavity, and a second counter electrode having at least one electrolytic surface at least partially within the cavity. The first working electrode includes a body and an insert supported by the body. The electrolytic surface of the working electrode is formed on or integral with the insert. The insert and body are each formed from a high-temperature material which allows for preparation or processing of the electrolytic surface at a temperature of at least 300° C. The device further includes a drive system detachably coupled to the first working electrode or a portion thereof for effecting relative motion between the electrolytic surface of the working electrode and a bulk portion of the liquidus electrolyte.

Abstract: The invention relates to noble metal-free nickel catalysts that exhibit both high activity and selectivity to hydrogen generation and carbon monoxide oxidation. The noble metal-free water gas shift catalyst of the invention comprises Ni in either a supported or a bulk state and at least one of Ge, Cd, In, Sn, Sb, Te, Pb, their oxides and mixtures thereof.

Abstract: A parallel reactor system including a reactor and vessels in the reactor for holding reaction mixtures, and a cannula for introducing fluid reaction material into the vessels. A robot system is operable to insert the cannula into cannula passages in the reactor for delivery of reaction materials, including condensed gases, to respective vessels, and to withdraw the cannula from the cannula passages after delivery. Related methods are also disclosed.

Abstract: A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper and titanium, or an oxide, carbide and/or salt of one or more of platinum, copper and titanium, wherein the sum of the concentrations of platinum, copper and titanium, including an oxide, carbide and/or salt thereof, is greater than about 90 atomic percent.

Abstract: This invention discloses methods, materials, and devices for making and screening combinatorial libraries to identify semi-conducting and thermoelectric materials. The disclosed method includes preparing a combinatorial library of materials, and identifying library members that are semiconductors. The method may include determining a thermoelectric figure of merit, ZT, for each member of a second combinatorial library of materials. The method determines ZT by applying an oscillatory voltage across the library members, measuring power dissipated by library members, and calculating ZT from the power dissipated. The method may also include isolating single-phase materials of the semiconducting library members. The present invention also discloses an apparatus for discovering thermoelectric materials using combinatorial techniques.

Abstract: The database is populated with target chemicals, corresponding listings of reagent chemicals, corresponding listings of equipment and corresponding listings of procedures. The database is then searched in response to user identification of a target chemical. In response, a listing is displayed of reagent chemicals that are used to synthesize the target chemical, equipment that is used to synthesize the target chemical, and a procedure that is used to synthesize the target chemical by reacting the reagent chemicals in the equipment according to the procedure. An icon-based reaction editor and/or context-sensitive Boolean query option generators may be provided. A reaction template may be used to perform predictive chemistry. A reaction relay may be used to graphically display related chemicals and procedures using a hub and spoke arrangement.

Abstract: Methods and apparatus for combinatorial (i.e., high-throughput) materials research, such as catalysis research, that involves parallel apparatus for simultaneously effecting mechanical treatments such as grinding, mixing, pressing, crushing, sieving, and/or fractionating of such materials are disclosed. The methods and apparatus are useful for mechanically treating catalysis materials and other solid materials, including without limitation, electronic materials such as phosphors, colorants such as pigments, and pharmaceuticals such as crystalline drugs or drug candidates. The simultaneous protocols and parallel apparatus offer substantial improvements in overall throughput for preparing arrays of materials, such as catalysis materials.

Abstract: An improved system, device and method for characterizing a fluid sample that includes injecting a fluid sample into a mobile phase of a flow characterization system, and detecting a property of the fluid sample or of a component thereof with a flow detector comprising a mechanical resonator, preferably one that is operated at a frequency less than about 1 MHz, such as a tuning fork resonator.

Abstract: A robotic system with a common software and hardware platform for integration of a variety of modular components is provided that can be set up for a given application and reconfigured to address changing needs. Modules attach to the robotic platform with standard interfaces in order to maximize the platform's flexibility. Robotic arms also have interchangeability such as variable pitched Z-racks, powder handling or other technologies. The standard interfaces allow third party developers to develop and integrate their own custom modules. One module included with the robotic platform in accord with this invention is a module that both weighs and images a sample.

Abstract: A method and apparatus for measurement of mass of small sample sizes. The method and apparatus is particularly adapted for providing microbalance measurement of solid materials as part of a combinatorial research program. The method and apparatus contemplate monitoring the response of a resonator holding a sample and correlating the response with mass change in the samples.

Abstract: An apparatus and method for carrying out and monitoring the progress and properties of multiple reactions is disclosed. The method and apparatus are especially useful for synthesizing, screening, and characterizing combinatorial libraries, but also offer significant advantages over conventional experimental reactors as well. The apparatus generally includes multiple vessels for containing reaction mixtures, and systems for controlling the stirring rate and temperature of individual reaction mixtures or groups of reaction mixtures. In addition, the apparatus may include provisions for independently controlling pressure in each vessel, and a system for injecting liquids into the vessels at a pressure different than ambient pressure. In situ monitoring of individual reaction mixtures provides feedback for process controllers, and also provides data for determining reaction rates, product yields, and various properties of the reaction products, including viscosity and molecular weight.