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Searching: chemistry





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Patent # Description
US-6,544,429 Enhancement of silicon oxide etch rate and substrate selectivity with xenon addition
A plasma etching process, particularly useful for selectively etching oxide over a feature having a non-oxide composition, such as silicon nitride and especially...
US-6,544,399 Electrodeposition chemistry for filling apertures with reflective metal
The present invention provides plating solutions, particularly copper plating solutions, designed to provide uniform coatings on substrates and to provide...
US-6,544,345 Method and system for in-situ cleaning of semiconductor manufacturing equipment using combination chemistries
An in-situ, two step or combination, method and system for cleaning of semiconductor manufacturing equipment is provided. The present invention utilizes two...
US-6,541,276 Methods for solid-phase synthesis of hydroxylamine compounds and derivatives and combinatorial libraries thereof
A novel method for generating hydroxylamine, hydroxamic acid, hydroxyurea, and hydroxylsulfonamide compounds is disclosed. The method involves the nucleophilic...
US-6,538,449 Battery life estimation
Battery life estimation can be performed by using an algorithm and parameter values for the algorithm, scaled according to the type, e.g. capacity and chemistry,...
US-6,537,823 Method for detection of bromine in urine using liquid chemistry dry chemistry test pads and lateral flow
This invention is in the field of toxicology and clinical diagnostics. More specifically, this invention provides a single dry chemistry, liquid chemistry, or...
US-6,537,698 Electrochemical cell having an electrode with a phosphonate additive in the electrode active mixture
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode...
US-6,537,504 Method and apparatus for concurrent and sequential multi-step reactions for producing a plurality of different...
The present invention is a method and an apparatus to provide a dynamic matrix system for synthesizing a plurality of chemical compounds simultaneously, i.e. in...
US-6,535,824 Sensor array-based system and method for rapid materials characterization
A modular materials characterization apparatus includes a sensor array disposed on a substrate, with a standardized array and contact pad format; electronic test...
US-6,534,395 Method of forming graded thin films using alternating pulses of vapor phase reactants
Thin films are formed by atomic layer deposition, whereby the composition of the film can be varied from monolayer to monolayer during cycles including...
US-6,534,223 Method of forming a circuitry fabrication mask having a subtractive alternating phase shift region
A light shielding layer is formed over a light transmissive substrate. The light shielding layer is patterned to have at least a portion having a first series of...
US-6,534,140 Pressure vessel with composite sleeve
A self sealing vessel assembly for high pressure microwave assisted chemistry is disclosed. The vessel assembly includes a polymeric cylinder and a circular...
US-6,533,585 Periodic pyramid: chemistry puzzle and teaching device
A puzzle apparatus for the study of chemistry and based upon the Zmaczynski equilateral triangular model of the periodic table of the chemical elements. A...
US-6,533,169 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-6,531,590 Processes for the synthesis of oligonucleotide compounds
Methods for the preparation of oligonucleotides having bioreversible phosphate blocking groups are disclosed. The oligonucleotides are prepared utilizing amidite...
US-6,531,487 Indolo[2,1-b] quinazole-6, 12-dione antimalarial compounds and methods of treating malaria therewith
Compounds, compositions and methods are provided for treating malaria parasites in vitro and in vivo by administering indolo[2,1-b]quinazoline-6,12-dione...
US-6,531,404 Method of etching titanium nitride
The present disclosure pertains to a method of plasma etching a titanium nitride layer within a semiconductor structure. In many embodiments of the method, the...
US-6,531,224 Self-assembled monolayer and method of making
According to the present invention, the previously known functional material having a self-assembled monolayer on a substrate has a plurality of assembly...
US-6,530,966 Coal binder compositions and methods
Binder compositions for converting coal waste into fuel including a distillable petroleum hydrocarbon emulsified with a surfactant and water are provided. The...
US-6,528,803 Automated calibration adjustment for film dosimetry
The present invention provides a method of correcting errors in film dosimetry measurements arising from variations in radiographic film processing and...
US-6,528,207 Electrochemical cell having an electrode with a nitrite additive in the electrode active mixture
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode...
US-6,524,861 Blood coagulation analyzer
One method and apparatus for analyzing clotting characteristics of a blood sample includes the use of a non-linear equation having coefficients capable of being...
US-6,524,859 Process for making a textile product
A process for marking a textile product by means of an invisible substance whose presence in the textile product is detectable by conventional detection methods...
US-6,524,584 Saponin compositions and uses thereof
The present invention is in the field of medicinal chemistry. In particular, the invention is related to vaccines comprising novel combinations of saponin...
US-6,522,994 Input/loss method for determining fuel flow, chemistry, heating value and performance of a fossil-fired system
The operation of a fossil-fueled thermal system is quantified by obtaining a reference fuel chemistry before on-line operation, and thereafter operating on-line....
US-6,521,394 Fluorescent photothermographic imaging element comprising coupling agent
The incorporation of coupler chemistry into the fluorescent element results in a greatly improved fluorescence imaging element, displaying higher photographic...
US-6,518,643 Tri-layer dielectric fuse cap for laser deletion
A substrate having at least one fuse in a fuse layer. An upper etch-stop layer over the fuse, a lower etch-stop layer having a different etch-chemistry over the...
US-6,518,533 High strength steel tubing
High strength steel tube is made from a full hard, cold rolled steel sheet having a chemistry compliant to S.A.E. J 403 grade 1026. The high strength of the tube...
US-6,515,328 Semiconductor devices with reduced control gate dimensions
The use of chlorine and oxygen chemistry in a polysilicon etch environment provides a process to etch a plurality of silicon-based layers on a semiconductor...
US-6,514,399 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-6,511,814 Method and device for detecting analytes in fluids
A disposable, dry chemistry analytical system is disclosed which is broadly useful for the detection of a variety of analytes present in biological fluids such...
US-6,511,772 Electrochemical cell having an electrode with a phosphate additive in the electrode active mixture
An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode...
US-6,509,296 Thermographic imaging elements and processes for their use
A thermally imageable element can be imaged using heat alone without the need for photosensitivity or post-imaging processing. The element contains image-forming...
US-6,509,274 Method for forming aluminum lines over aluminum-filled vias in a semiconductor substrate
A method for forming aluminum lines over aluminum-filled vias in a semiconductor substrate that can compensate for some misalignment between the filled vias and...
US-6,508,911 Diamond coated parts in a plasma reactor
A diamond coating formed on a bulk member used in a plasma processing chamber for processing a substrate such as a semiconductor wafer. The coating is...
US-6,506,701 Rapid purification by polymer supported quench
Novel polymer-supported quenching reagents of Formula I, wherein P is a polymer of low chemical reactivity which is soluble or insoluble; Q is one or more...
US-6,506,558 Very large scale immobilized polymer synthesis
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-6,506,342 Tracking apparatus and method for use with combinatorial synthesis processes
A combinatorial chemistry bead that includes an electromagnetic spectral emitter that radiates a distinct electromagnetic code for each bead that uniquely...
US-6,505,965 Intraoral dental radiographic film packet with flavored/scented molded frame and method for forming same
An intraoral x-ray film packet is taught which includes compounding flavor/scent chemistry into a thermoplastic material. The thermoplastic material is then used...
US-6,503,759 Complex combinatorial chemical libraries encoded with tags
Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage,...
US-6,503,711 Nucleic acid biosensor diagnostics
A biosensor for direct analysis of nucleic acid hybridazation by use of an optical fiber functionalized with nucleic acid molecules and fluorescence transduction...
US-6,503,198 Noninvasive transdermal systems for detecting an analyte obtained from or underneath skin and methods
The present invention relates to noninvasive transdermal systems and methods for analyte extraction from a biological fluid within or beneath the skin, such as...
US-6,501,220 Thallium free--metal halide lamp with magnesium and cerium halide filling for improved dimming properties
A thallium-free high pressure ceramic metal halide lamp having superior dimming characteristics with a fill composition comprising MgI.sub.2 and CeI.sub.3. In...
US-6,500,995 Water-enhanced production of 1,1,1,3,3,-pentachloropropane
A process is provided by which addition of water is used to enhance the production of any hydrochlorocarbon feedstock through the use of Kharasch chemistry, i.e....
US-6,497,990 Heat sensitive printing plate precursors
The present invention provides a method of preparing a lithographic printing plate, said method comprising: providing a lithographic printing plate precursor...
US-6,495,469 High selectivity, low etch depth micro-loading process for non stop layer damascene etch
A method for etching a dielectric layer comprising the following steps. A structure having a low-k dielectric layer formed thereover is provided. A DARC layer is...
US-6,495,367 Method of accelerating blood coagulation using an antimicrobial metal
A blood component deposition-preventing agent and a blood coagulation accelerator are provided, which are substantially indifferent to blood coagulation activity...
US-6,495,352 Sol-gel method for encapsulating molecules
A method for encapsulating organic molecules, and in particular, biomolecules using sol-gel chemistry. A silica sol is prepared from an aqueous alkali metal...
US-6,495,336 Oligopeptide derivatives for the electrochemical measurement of protease activity
The invention relates to oligopeptide derivatives whose C-terminal amino acid is arginine which is linked to the remainder of an electroactive aniline or...
US-6,495,299 Packaged color photographic film capable of alternatively dry or wet-chemical processing
This invention relates to packaged photographic film that is capable of being alternately processed, according to individual consumer choice, by either (1) a...
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