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Searching: chemistry





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Patent # Description
US-6,090,912 Topologically segregated, encoded solid phase libraries comprising linkers having an enzymatically susceptible bond
The invention relates to libraries of synthetic test compound attached to separate phase synthesis supports. In particular, the invention relates to libraries of...
US-6,090,683 Method of etching thermally grown oxide substantially selectively relative to deposited oxide
The invention comprises processing deposited oxide and grown oxide materials. In one implementation, a substrate is provided to have outwardly exposed grown...
US-6,090,442 Method of growing films on substrates at room temperatures using catalyzed binary reaction sequence chemistry
The present invention provides a method for growing atomic layer thin films on functionalized substrates at room temperature using catalyzed binary reaction...
US-6,087,809 Implantable medical device powered by double cells
A power source including two alkali metal/transition metal oxide cells discharged in parallel to power an implantable medical device is described. The first cell...
US-6,087,217 Method for improving capacitance in DRAM capacitors and devices formed
The present invention discloses a method for forming a DRAM capacitor that has improved charge capacity and a DRAM capacitor formed by such method. The method...
US-6,087,186 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-6,086,826 Pressure sensing reaction vessel for microwave assisted chemistry
A microwave vessel system for external and noninvasive pressure monitoring and control is disclosed. The system comprises a reaction vessel formed of a material...
US-6,086,204 Methods and devices to design and fabricate surfaces on contact lenses and on corneal tissue that correct the...
Methods and devices are described that are needed to design and fabricate modified surfaces on contact lenses or on corneal tissue that correct the eye's optical...
US-6,084,279 Semiconductor device having a metal containing layer overlying a gate dielectric
Metal semiconductor nitride gate electrodes (40, 70) are formed for use in a semiconductor device (60). The gate electrodes (40, 70) may be formed by sputter...
US-6,084,226 Use of continuously variable power in microwave assisted chemistry
A method of microwave assisted chemistry is disclosed in which power can be supplied more continuously at preferred power levels to more precisely control or...
US-6,083,823 Metal deposition process for metal lines over topography
A metal layer is formed at high deposition rate over severe topography by a two step process including formation of a seed layer by cold deposition followed by a...
US-6,083,695 Optimized primer library for gene sequencing and method of using same
A novel method of primer walking using octamer oligonucleotides to prime DNA sequencing reactions is described. Octamer sequencing is compatible with isotopic...
US-6,082,417 Chemical sample loading station for loading sample solutions in a sample funnel of a chemical treatment cassette
This invention is directed to a cassette chemical immobilization and treatment system and method for enabling the performance of various complex chemistries with...
US-6,080,662 Method for forming multi-level contacts using a H-containing fluorocarbon chemistry
A method for forming multi-level contact holes in a semiconductor structure is disclosed. The semiconductor structure includes a dielectric layer overlying a...
US-6,080,529 Method of etching patterned layers useful as masking during subsequent etching or for damascene structures
A first embodiment of the present invention pertains to a method of patterning a semiconductor device conductive feature while permitting easy removal of any...
US-6,075,172 Chlorofluorohydrocarbon and process thereto
The present invention provides the novel chlorofluorohydrocarbon 1,1-difluoro-1,4-dichlorobutane, and a process for its preparation comprising reacting...
US-6,075,166 Photolytically cleavable encoding and linking agents for use in combinatorial chemistry
The present invention is to novel photochemically cleavable aryl sulfonamides of the formula wherein R.sub.1 and R.sub.2 are independently selected from optionally...
US-6,075,143 Substituted N-ethylglycine derivatives for preparing PNA and PNA/DNA hybrids
There are described N-ethylglycine derivatives of the formula I ##STR1## in which PG is a urethane-type or trityl-type amino protective group which is...
US-6,075,064 Rigid hydrophobic polyurethanes
Rigid polyurethanes are obtained by reacting (1) a polyisocyanate with (2) a polyol mixture made up of (a) an OH-functional polyester based on a C.sub.9-22 fatty acid...
US-6,074,952 Method for forming multi-level contacts
A method of forming a plurality of contact holes 70 in a semiconductor wafer uses a single step. The semiconductor wafer includes a dielectric layer 69 overlying...
US-6,074,871 Cell-culture reactor having a porous organic polymer membrane
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated...
US-6,074,765 Grinding rod chemistry and method of heat treatment to enhance wearability
A grinding rod chemistry enhances wearability and durability of a steel rod and comprises levels of carbon to achieve a surface hardness in excess of 55 Rockwell...
US-6,068,751 Microfluidic valve and integrated microfluidic system
A microfluidic delivery system (20) and microfluidic system (100) control flows of a liquid or a gas through elongated capillaries (62, 126) that are enclosed...
US-6,066,269 Electroactive inorganic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer...
US-6,063,890 Polycarbodiimide polymers and their use as adhesive intermediate layers in automotive coatings
The invention is directed to a block copolymer with the following representative structure: Where: m=1 to 20 n=1 to 20 p=0 or 1 R.sub.1 =A monomeric or polymeric...
US-6,063,705 Precursor chemistries for chemical vapor deposition of ruthenium and ruthenium oxide
A method is provided for forming a film of ruthenium or ruthenium oxide on the surface of a substrate by employing the techniques of chemical vapor deposition to...
US-6,063,628 Induction of viral mutation by incorporation of miscoding ribonucleoside analogs into viral RNA
The present invention is directed to the identification and use of ribonucleoside analogs to induce the mutation of an RNA virus, including HIV and HCV, or a...
US-6,061,636 Technique for representing combinatorial chemistry libraries resulting from selective combination of synthons
A computer-implemented method and apparatus are provided for the generation and representation of combinatorial chemical libraries produced by a series of...
US-6,060,397 Gas chemistry for improved in-situ cleaning of residue for a CVD apparatus
A method (100) of cleaning residues from a chemical vapor deposition apparatus (10) is provided. The present method (100) includes introducing into a chamber...
US-6,060,036 Radioactive seed implants
Past techniques utilized wet chemistry to produce a carrier free radioisotope for a seed implant. However, by using the technique of ion implantation, it is...
US-6,059,014 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-6,057,902 Pixels for wide viewing angle liquid crystal display
A structure for providing a wide viewing angle for a liquid crystal display or similar comprising the formation of more than one region within a pixel (for each...
US-6,057,773 Unanchored sensor for fluid characteristics
A device and method for sensing fluid characteristics, including, temperature, pH and chemistry, comprises a switch affixed to or embedded in a container of a...
US-6,057,245 Gas phase planarization process for semiconductor wafers
A gas phase planarization process for semiconductor wafers. The present invention comprises a system and method of dry planarization for a semiconductor wafer....
US-6,057,227 Oxide etch stop techniques for uniform damascene trench depth
A damascene structure and method for forming such structure. In one embodiment, the damascene structure of the present invention includes a first layer of oxide...
US-6,056,789 Closed loop dry cleaning method and solvent
The present invention comprises a closed loop dry cleaning system and method, in which dry cleaning machinery is used in conjunction with a specific solvent...
US-6,054,328 Method for cleaning the surface of a dielectric
This invention relates to a method for improving the chemical and electrical performance characteristics of a high dielectric constant material. The method...
US-6,054,277 Integrated microchip genetic testing system
A genetic testing system includes a miniaturized thermal cycling device and an integrated, unitary microchip based detection device with microfluidic controls,...
US-6,048,457 Cast membrane structures for sample preparation
A method for casting-in-place composite and/or non-filled structures which are useful as sorptive or reactive media or for size-based separations. Any particular...
US-6,045,941 Method to determine the state of charge and remaining life of lithium batteries used in oilfield services...
The present invention relates to a new method of constructing and interrogating electrochemical cells, especially those having lithium thionyl chloride...
US-6,045,756 Miniaturized integrated sensor platform
A miniaturized integrated sensor (50) useful for indicating the presence of a sample analyte is disclosed. The sensor (50) has a platform (52) with an upper...
US-6,045,755 Apparatus and method for combinatorial chemistry synthesis
In a first embodiment, this invention includes an integrated robot apparatus for performing combinatorial chemistry synthesis protocols and having...
US-6,044,643 Engine control system and method
An engine control system comprising: a mass air flow sensor in an air intake path for a vehicle engine and providing a first input signal indicative of mass air...
US-6,044,324 System approach to stand-alone soil sampling
A method and apparatus for collecting and analyzing soil chemistry information from a tract of land is described. An information management system receives...
US-6,044,212 Use of automated technology in chemical process research and development
A method and workstation for optimizing chemical processes based on combinatorial chemistry, automation technology, and computer-controlled design is disclosed....
US-6,043,631 Battery charger and method of charging rechargeable batteries
A method of charging a rechargeable battery which comprises charging the battery with a charging current; sampling a charging voltage of the battery during...
US-6,043,372 Intermediates in the process for preparing epothilones
The invention relates to a process for the production of epothilones and intermediate products within the process. Epothilones A and B are natural substances, which...
US-6,042,618 Dry cleaning method and solvent
The present invention comprises a dry cleaning system and method, in which dry cleaning machinery is used in conjunction with a specific solvent which is derived...
US-6,040,248 Chemistry for etching organic low-k materials
A process for plasma etching of contact and via openings in low-k organic polymer dielectric layers is described which overcomes problems of sidewall bowing and...
US-6,040,151 Diagnostic compositions and devices utilizing same
A dry chemistry dye indicator composition provides improved shelf life, stable color indication end point and capability for a system at near normal pH. The...
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