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Searching: chemistry





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Patent # Description
US-6,444,535 Method to reduce emitter to base capacitance and related structure
According to a disclosed embodiment, a base region is grown on a transistor region. A dielectric layer is next deposited over the base region. The dielectric...
US-6,444,060 Enhancement of an unused protective coating
A method is provided for enhancing to a selected coating range a substantially unused protective coating, including aluminum, on an article surface, for example...
US-6,443,814 Method and chemistry for cleaning of oxidized copper during chemical mechanical polishing
Methods for the chemical-mechanical polishing (CMP) of copper layers on integrated circuits are described, along with the chemical compositions of various pre-...
US-6,440,870 Method of etching tungsten or tungsten nitride electrode gates in semiconductor structures
The present invention relates to a method of etching tungsten or tungsten nitride in semiconductor structures, and particularly to the etching of gate electrodes...
US-6,440,640 Thin resist with transition metal hard mask for via etch application
A method of forming a via structure is provided. In the method, a dielectric layer is formed on an anti-reflective coating (ARC) layer covering a first metal...
US-6,440,413 Medicament for optimizing mucosal viscosity and stimulating intestinal function
The invention pertains to the field of biology, and more particularly, to therapeutic chemistry, and discloses pharmaceutical compositions containing, as an...
US-6,437,143 Thiazolidone-2 derivatives, 4-diketone substituted, method for obtaining them and pharmaceutical compositions...
The present invention relates to the field of chemistry and more particularly to that of therapeutic chemistry. The subject of the present invention is more precisely...
US-6,436,292 Parallel high-performance liquid chromatography with post-separation treatment
High-performance liquid chromatography (HPLC) methods and systems are disclosed that combine parallel chromatographic separation of a plurality of samples with a...
US-6,433,511 Method and apparatus for manually reconditioning a battery without a switch
This invention includes an apparatus and method of initiating reconditioning of a rechargeable battery cell without an auxiliary mechanical switch. When a...
US-6,433,460 Apparatus and methods for cleaning and/or processing delicate parts
The invention utilizes harmonics of certain clamped ultrasound transducers to generate ultrasound within the liquid of an ultrasonic tank and in a frequency...
US-6,432,833 Method of forming a self aligned contact opening
A method includes placing a certain substrate within a high density plasma etcher. The etcher has a directly heatable top electrode having separately powerable...
US-6,432,765 Funnel shaped structure in polysilicon and method of making
Disclosed is a vertically oriented capacitor structure, which is of particular usefulness in MOS DRAM memory modules. The structure has upper and lower...
US-6,431,959 System and method of defect optimization for chemical mechanical planarization of polysilicon
A system and method of reducing defects in chemical mechanical planarization of polysilicon is disclosed. The system includes first and second polishing stations...
US-6,427,731 Chemical sample treatment system and cassette, and methods for effecting multistep treatment processes
This invention is directed to a cassette chemical immobilization and treatment system and method for enabling the performance of various complex chemistries with...
US-6,426,295 Reduction of surface roughness during chemical mechanical planarization(CMP)
Improved methods, compositions and structures formed therefrom are provided that allow for reduction of roughness in layers (e.g., oxide layers) of a planarized...
US-6,423,644 Method of etching tungsten or tungsten nitride electrode gates in semiconductor structures
The present invention relates to a method of etching tungsten or tungsten nitride in semiconductor structures, and particularly to the etching of gate electrodes...
US-6,419,817 Dynamic optimization of chemical additives in a water treatment system
The present invention describes an apparatus for the optimized control of various treatment chemicals (inhibitors) applied for corrosion and/or deposit...
US-6,417,397 N-substituted alkylamino acids for use as amino-protecting groups
This invention relates to chemical compositions useful in protecting amino functional groups, e.g., during synthetic organic chemistry procedures or in the...
US-6,417,396 Quenching reagents for solution phase synthesis
A method for enhancing the purity of a desired compound comprising: Step (a) treating a crude reaction product which contains at least one desired compound, unreacted...
US-6,417,199 3-benzyl-benzothiophenes
This invention relates to the fields of pharmaceutical and organic chemistry and provides novel 3-benzyl-benzothiophenes which are a-substituted with ether,...
US-6,417,171 Preparation of polymers by interfacial derivatization
This invention utilizes methods of emulsion chemistry to derivative polymers, as distinguished from the synthetic methods of the prior art, whereby such polymers...
US-6,417,154 Sorbent material
A sorbent material is provided comprising a porous substrate, such as a nonwoven web, having a wetting chemistry distributed substantially throughout the...
US-6,417,112 Post etch cleaning composition and process for dual damascene system
A new cleaning chemistry based on a choline compound, such as choline hydroxide, is provided in order to address the problem of dual damascene fabrication. An...
US-6,417,090 Damascene arrangement for metal interconnection using low k dielectric constant materials for etch stop layer
A method of forming a damascene structure in a semiconductor device arrangement uses a low k dielectric material in an etch stop layer that overlays a metal...
US-6,417,010 Methods and apparatus for synthesizing labeled combinatorial chemistry libraries
The present invention provides labeled synthetic libraries of random oligomers and methods and apparatus for generating labeled synthetic oligomer libraries....
US-6,416,861 Organosilicon compounds and uses thereof
A compound of the formula: ##STR1## and a resin-bound compound of the formula: ##STR2## and their use in combinatorial chemistry and in the synthesis of...
US-6,416,714 Remotely programmable matrices with memories
Combinations, called matrices with memories, of matrix materials with remotely addressable or remotely programmable recording devices that contain at least one...
US-6,416,682 Method of producing minerals under near-critical, critical and supercritical conditions
The present invention relates to methods of producing synthetic crystals (typically minerals) or comparable inorganic compounds by reactions of metal salts and...
US-6,415,198 Plasma etching of silicon using a chlorine chemistry augmented with sulfur dioxide
A method of etching silicon using a chlorine and sulfur dioxide gas chemistry. An embodiment of the method is accomplished using a 20 to 300 sccm of chlorine and...
US-6,413,903 High surface area sol-gel route prepared oxidation catalysts
This invention relates to catalysts useful in the vapor phase oxidation of hydrocarbons, such as 1,3-butadiene to furan and maleic anhydride. The catalysts...
US-6,413,724 Solid phase and combinatorial library syntheses of fused 2,4-pyrimidinediones
The invention provides chemistry libraries containing fused 2,4-pyrimidinediones. The invention also provides methods for the construction of fused...
US-6,413,473 Multicomponent test systems useful in analyzing liquid samples, and uses therefor
The invention relates to multicomponent test systems which indicate the concentration of one or more analytes in a liquid sample, as well as the effect of action...
US-6,410,751 Water soluble tri-substituted 1, 2-dioxetane compounds having increased storage stability, synthetic processes...
Stable, enzymatically triggered chemiluminescent 1,2-dioxetanes with improved water solubility and storage stability are provided as well as synthetic processes...
US-6,409,900 Controlled fluid transport in microfabricated polymeric substrates
Microfluidic devices are provided for the performance of chemical and biochemical analyses, syntheses and detection. The devices of the invention combine precise...
US-6,407,181 Low temperature curing powder coating for producing reduced gloss, weatherable coatings
A coating powder, based on glycidyl (meth)acrylate copolymer/carboxylic acid functional polyester chemistry, provides a smooth, weatherable, reduced gloss...
US-6,406,604 Multi-dimensional electrophoresis apparatus
An electrophoresis apparatus is generally disclosed for sequentially analyzing a single sample or multiple samples having one or more analytes in high or low...
US-6,404,164 Method of battery chemistry identification through analysis of voltage behavior
A method of identifying battery chemistry of a battery in an electronic device monitors voltage behavior of the battery in response to a stimulus. The method can...
US-6,403,382 Attachment chemistry for organic molecules to silicon
A simple chemical approach for the covalent assembly of organic molecules on silicon surfaces via robust linkages is provided. This is achieved by the efficient...
US-6,403,282 Heat sensitive printing plate precursors
A lithographic printing plate precursor comprises a grained and anodised aluminium substrate which has been treated with a solution of water-soluble salt of a...
US-6,403,030 Ultraviolet wastewater disinfection system and method
An ultraviolet (UV) disinfection system and method for treating for treating waste-containing fluids including a configuration and design to function effectively...
US-6,401,494 Method for making glasses containing rare earth fluorides by precipitating solution doped compounds
A method that provides a new way to embed rare earth fluorides into silicate (or germania-doped silica) glasses by means of solution chemistry. Embedding rare...
US-6,400,123 Battery fuel gauging using battery chemistry identification
An apparatus and a method adapt fuel gauging to a battery chemistry in an electronic device having a battery. The method comprises determining the battery...
US-6,399,820 Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the...
The present invention relates to a process and a reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom...
US-6,399,511 Plasma etch process in a single inter-level dielectric etch
A dielectric etch process applicable etching a dielectric layer with an underlying stop layer. It is particularly though not necessarily applicable to forming a...
US-6,395,930 Quenching reagents for solution phase synthesis
A method for enhancing the purity of a desired compound comprising: Step (a) treating a crude reaction product which contains at least one desired compound, unreacted...
US-6,395,643 Gas manifold for uniform gas distribution and photochemistry
The invention provides a system for providing a flow of a short-lived, reactive process gas species into an RTP chamber without creating ionic species. An RTP...
US-6,393,895 Method and apparatus for characterizing materials by using a mechanical resonator
A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a thickness shear mode resonator or a tuning...
US-6,391,531 Low silver radiographic film and imaging assembly for thoracic imaging
High performance radiographic films exhibit excellent exposure latitude when imaged in radiographic imaging assemblies comprising intensifying screens. These...
US-6,391,262 Test kit for measuring volatile ammonia in biological sample
A test kit for determining the "volatile ammonia content" of biological samples comprising any wet or dry compost, manure, plasma or soil sample. The kit...
US-6,390,977 System and methods for measuring oxygenation parameters
Systems are methods described for calculating, in real-time, various oxygenation parameters including total oxygen transport, mixed venous blood oxygen tension...
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