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Searching: chemistry





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Patent # Description
US-6,465,650 Substituted N-ethylglycine derivatives for preparing PNA and PNA/DNA hybrids
The invention provides a processes for the preparation of a compound of Formula I, or a salt thereof ##STR1## wherein PG is a urethane- or trityl-type protective...
US-6,464,799 Method for managing a fluid level associated with a substrate processing tank
An improved method and apparatus for adjusting chemistry concentrations and temperatures within a substrate processing tank is provided. A first aspect may...
US-6,464,568 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-6,462,142 Processes for improved surface properties incorporating compressive heating of reactive gases
An apparatus and method are used to modify the surface chemistry of an article. The article to be surface treated has at least a surface region that includes at...
US-6,459,471 Image reproduction apparatus with compact, low-waste digital printer
A photographic image printer, method of printing, and a software program for printing digital images which analyzes pending orders, determines the image printing...
US-6,458,685 Method of forming a self-aligned contact opening
A bulk semiconductor substrate is provided which has an active area received between at least two undoped silicon dioxide comprising substrate isolation regions....
US-6,458,595 Automated fingerprint methods and chemistry for product authentication and monitoring
Highly efficient, low cost, methods and compounds to determine product authenticity, tampering, manufacturing compliance are provided. The methods and chemicals...
US-6,458,292 Composition of an anti-scale-forming agent
A composition for an anti-scale-forming agent includes oil-based polyalkylenes, amines phosphorous and oxygen in a polymer for providing dispersivity and...
US-6,458,262 Electroplating chemistry on-line monitoring and control system
The present invention provides methods and apparatus for analysis and monitoring of electrolyte bath composition. Based on analysis results, the invention...
US-6,456,044 Microcontroller with integral switch mode power supply controller
A single integrated circuit package for controlling the charging circuits of a battery charger. The single integrated circuit package comprises a ...
US-6,456,042 Method and apparatus for charging batteries at reduced overcharge levels
Battery charging methods and associated chargers which are capable of rapidly charging a battery while subjecting it to reduced levels of overcharging. The...
US-6,455,411 Defect and etch rate control in trench etch for dual damascene patterning of low-k dielectrics
A dual damascene process for low-k or ultra low-k dielectric such as organo-silicate glass (OSG). After the via (112) etch, a trench (121) is etched in the OSG...
US-6,453,064 Common structure extraction apparatus
The invention provides an apparatus for extracting a common structure from two three-dimensional structures each formed from a set of sequenced points. The...
US-6,451,817 Alpha-substituted-1-benzyl-napthyls
This invention relates to the fields of pharmaceutical and organic chemistry and provides novel 1-benzyl-naphthyls which are .alpha.-substituted with ether,...
US-6,451,698 System and method for preventing electrochemical erosion by depositing a protective film
A method for making reliable interconnect structures on a semiconductor substrate having a first dielectric layer is disclosed. The method includes depositing a...
US-6,451,695 Radical-assisted sequential CVD
A new method for CVD deposition on a substrate is taught wherein radical species are used in alternate steps to depositions from a molecular precursor to treat...
US-6,451,543 Lipid matrix-assisted chemical ligation and synthesis of membrane polypeptides
The present invention relates to methods and compositions for lipid matrix-assisted chemical ligation and synthesis of membrane polypeptides that are...
US-6,448,088 Method and apparatus for detecting insoluable constituents in a quiescent urine sample
A urine sample is analyzed for urine chemistry, formed bodies, and rare event evidence, all in a single sample container and under low power magnification. The...
US-6,447,720 Ultraviolet fluid disinfection system and method
An ultraviolet (UV) disinfection system and method for treating for treating fluids including a configuration and design to function effectively with at least...
US-6,447,276 Twin screw rotors for installation in displacement machines for compressible media
Displacement machines for compressible media having single-threaded, twin screw rotors with continuously decreasing pitch to achieve an inner compression are...
US-6,444,713 Foaming compositions and methods for making and using the compositions
A low-temperature foam compositions and that are produced from an epoxy compound and an acid source can be substantially free of polyurethane or isocyanate...
US-6,444,586 Method of etching doped silicon dioxide with selectivity to undoped silicon dioxide with a high density plasma...
Disclosed is a process for removing doped silicon dioxide from a structure selectively to undoped silicon dioxide. A structure having both doped and undoped...
US-6,444,556 Chemistry for chemical vapor deposition of titanium containing films
Titanium-containing films exhibiting excellent uniformity and step coverage are deposited on semiconductor wafers in a cold wall reactor which has been modified...
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...
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