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Searching: chemistry





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Patent # Description
US-5,961,923 Matrices with memories and uses thereof
Combinations, called matrices with memories, of matrix materials that are encoded with an optically readable code are provided. The matrix materials are those...
US-5,961,791 Process for fabricating a semiconductor device
A via 42 is formed in an ILD layer 40 of a semiconductor device 30, using an etch chemistry which is highly selective to an underlying transition metal...
US-5,960,649 Ozonated laundry system including adapter and sparging rod
A system and method for treating laundry with ozone is provided including a controller that receives a load signal based on a wash load selection. In response to...
US-5,960,501 Ozonated laundry system with water re-use capability
A system and method for treating laundry with ozone is provided including a controller that receives a load signal based on a wash load selection. In response to...
US-5,958,969 Benzo[b]thiophene compounds, intermediates, formulations, and methods
This invention relates to the field of pharmaceutical and organic chemistry and provides benzothiophene compounds, intermediates, formulations, and methods.
US-5,958,702 Receptor-assisted combinatorial chemistry
This invention provides a method for preparing molecules that bind to a preselected receptor, whereby the receptor itself acts as an agent for either joining two...
US-5,958,521 Method of depositing a thermally sprayed coating that is graded between being machinable and being wear resistant
A method of thermally spraying a coating onto the interior of a cylindrical surface which coating is graded between enhanced optimal machinability and enhanced...
US-5,958,266 Method of plasma incision of matter with a specifically tuned radiofrequency electromagnetic field generator
A method of incising matter with a harmonious plasma cloud. An inexpensive radiofrequency generator and power amplifier generates an electromagnetic wave which...
US-5,955,591 Phosphotriester oligonucleotides, amidites and method of preparation
Oligonucleotides having bioreversible phosphate blocking groups can be used as pro drugs for the oligonucleotides. The bio-reversible blocking groups can be...
US-5,955,205 Stretch cling film and fabrication method
Multilayer thermoplastic stretch wrap film having substantial one-sided cling properties is made without the use of polymers with high levels of n-hexane...
US-5,952,246 Nitride selective, anisotropic Cl.sub.2 /He etch process
An etch process utilizing Cl.sub.2 /He chemistry for use in a silicon integrated circuit manufacturing process. The etch is a highly nitride selective,...
US-5,952,244 Methods for reducing etch rate loading while etching through a titanium nitride anti-reflective layer and an...
A method, in a plasma processing chamber, for etching through a selected portion of layers of a wafer stack, which comprises an anti-reflective layer and a...
US-5,952,183 Synthesis of estrogen-purine base and estrogen-mercapturate adducts and development of fluorescent probes and...
Estrogen-nucleoside, estrogen-guanine and estrogen-mercapturate adducts are potential biomarkers for determining susceptibility of animals to a number of...
US-5,950,063 Method of powder injection molding
Provided is a powder and binder system for manufacturing sintered parts from particulate material, and a method of injection molding parts for sintering. The...
US-5,948,796 Benzo[B]thiophene compounds, intermediates, formulations, and methods
This invention relates to the field of pharmaceutical and organic chemistry and provides benzothiophene compounds, intermediates, formulations, and methods.
US-5,948,701 Self-aligned contact (SAC) etching using polymer-building chemistry
A method for forming a via through a dielectric layer within a microelectronics fabrication. There is first provided a substrate employed within a...
US-5,947,911 Method and apparatus for reducing purge volume in a blood chemistry monitoring system
A method and apparatus for reducing the volume of fluid required to purge a patient's blood from a blood sampling site after the blood has been sampled for...
US-5,945,346 Chemical mechanical planarization system and method therefor
A chemical mechanical planarization tool that reduces a volume of polishing chemistry used in a wafer polishing process includes a rinse bar (87) for removing...
US-5,945,070 Reaction vessel filter for combinatorial chemistry or biological use
A filter tube for a reaction or other fluid vessel is disclosed which maintains the vessel under an inert gas atmosphere and maintains the integrity of the inert...
US-5,943,582 Method for forming DRAM stacked capacitor
The present invention discloses a method for forming DRAM stacked capacitors by utilizing a densified oxide layer as an etch-stop for the wet etching process of...
US-5,942,638 Method of functionalizing polycyclic silicones and the resulting compounds
A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS)...
US-5,942,007 Dry cleaning method and solvent
A dry cleaning system and method, in which specially designed or modified machinery is used in conjunction with a specific solvent which is derived from an...
US-5,939,576 Method of functionalizing polycyclic silicones and the compounds so formed
A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS)...
US-5,939,314 Distributed pore chemistry in porous organic polymers in tissue culture flasks
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-5,939,268 Combinatorial libraries of molecules and methods for producing same
This invention features methods of synthesizing combinatorial libraries of chemical compounds, and combinatorial libraries of chemical compounds formed by the...
US-5,939,220 Catalyst
A novel catalyst comprising a Pt--M alloy wherein M is one or more metals selected from the transition metal elements or from Groups IIIA or IVA of the Periodic...
US-5,935,845 Distributed pore chemistry in porous organic polymers
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-5,935,527 Automated system for polynucleotide synthesis and purification
A method and system for polynucleotide synthesis are provided which employ solid phase synthesis on a nonswellable porous polystyrene support by phosphoramidite...
US-5,934,359 Casting steel strip
Method of casting steel strip in which molten steel solidifies as a shell on a chilled casting surface (100). The casting surface (100) has a texture (101)...
US-5,932,711 Nucleic acid-containing polymerizable complex
Disclosed is a polymerizable complex containing a covalently attached nucleic acid molecule which, under appropriate conditions, is capable of copolymerization...
US-5,931,986 Method and apparatus for confinement of ions in the presence of a neutral gas
The present invention is an apparatus and method for combining ions with a neutral gas and flowing the mixture with a radial flow component through a magnetic...
US-5,930,677 Method for reducing microloading in an etchback of spin-on-glass or polymer
A method for forming a planarized interlevel dielectric layer without degradation due to the microloading effect from spin-on material etchback is described. A...
US-5,930,585 Collar etch method to improve polysilicon strap integrity in DRAM chips
In the manufacture of 16 Mbits DRAM chips, a polysilicon strap is used to provide an electrical contact between the drain region of the active NFET device and...
US-5,926,419 Silicon layer arrangement for last mask programmability
A method for fabricating an application specific integrated circuit (ASIC) from a multitude of silicon layers, including upper silicon layers and lower silicon...
US-5,925,562 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-5,925,212 Apparatus and method for attaining repeatable temperature versus time profiles for plasma heated interactive...
The temperatures of scavenger-emitting kit parts in a high-density plasma (HDP) etching system are elevated to or close to respective steady state equilibrium...
US-5,922,608 Macromolecule sequencing packet and method of use
A method, apparatus and article for sequencing polypeptides and proteins ("macromolecules") utilizes a sequencing packet comprised of a plurality of substrates...
US-5,922,285 Integrated fluorescence-based biochemical sensor
An integrated biochemical sensor (200) for detecting the presence of one or more specific samples (240) having a device platform (355) with a light absorbing...
US-5,922,281 Surface treatment for micro-conduits employed in blood heat exchange system
Blood heat exchanger apparatus with improved heat exchanged capability and improved bonding of micro-conduit heat exchange fibers. The micro-conduit comprises a...
US-5,922,161 Surface treatment of polymers
This invention relates to a method of modifying or tailoring the surface of polymers and or polymer-based materials to control surface and interface chemistry...
US-5,919,870 Functional telechelic star polymers
Protected functional initiators have been demonstrated to polymerize dienes and alkenyl substituted aromatics. The resultant living anions were linked with a...
US-5,918,590 Heat cells
This invention relates to heat cells, based on a specific iron oxidation chemistry and having specific physical dimensions and fill characteristics. These heat...
US-5,918,273 Unitary one-piece sample mini-column
This invention is directed to a unitary one-piece sample mini-column for a cassette chemical immobilization and treatment system for enabling the performance of...
US-5,916,480 Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate
Blowing agent-containing emulsions comprise a) compounds containing hydrogen atoms which are reactive toward isocyanates, b) blowing agents, c) catalysts, auxiliaries...
US-5,914,052 Wet etch method and apparatus
Wet etch methods of anisotropically etching a substantially vertical etched step in a film. Methods of forming a substantially vertical etched step include...
US-5,912,069 Metal nanolaminate composite
Metal-polymer nanolaminate products are fabricated from a bulk nanolaminate material composed of thousands of alternating metal and polymer layers. The...
US-5,908,672 Method and apparatus for depositing a planarized passivation layer
A planarized passivation layer is described. A planarized passivation layer of the present invention preferably includes a fluorosilicate glass (FSG) layer and a...
US-5,906,948 Method for etching high aspect-ratio multilevel contacts
A method for etching dielectric layers is disclosed. A first etch of the dielectric layers is performed with a gas chemistry comprising C.sub.4 F.sub.8 flowing...
US-5,906,691 Induction hardened microalloy steel having enhanced fatigue strength properties
Improved fatigue strength properties are achieved in an induction hardened microalloy steel useful for demanding service environments. The microalloy steel has...
US-5,902,723 Analysis of surface immobilized polymers utilizing microfluorescence detection
Means for simultaneous parallel sequence analysis of a large number of biological polymer macromolecules. Apparatus and methods may use fluorescent labels in...
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