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Searching: chemistry





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Patent # Description
US-7,012,027 Zirconium oxide and hafnium oxide etching using halogen containing chemicals
A method is described for selectively etching a high k dielectric layer that is preferably a hafnium or zirconium oxide, silicate, nitride, or oxynitride with a...
US-7,008,997 Non-toxic hydrophobic elastomeric polymer chemistry system for wood preservation
A system and method for wood preservation comprises treating wood products via conventional pressure treating mechanics of sequential vacuum and pressure with a...
US-7,008,853 Method and system for fabricating free-standing nanostructures
Systems and methods include introducing a semiconductor wafer into a process chamber. An etching chemistry is injected into the process chamber to etch a...
US-7,005,214 Noble metals coated on titanium current collectors for use in nonaqueous Li/CF.sub.x cells
A lithium/fluorinated carbon electrochemical cell having the CF.sub.x material supported on a titanium current collector screen sputter coated with a noble metal...
US-7,005,080 Nonabrasive media with accellerated chemistry
The invention is an improvement in the metal finishing processes disclosed in U.S. Pat. No. 4,818,333. The improvement arises in the use of nonabrasive media,...
US-6,998,693 Chemical sensor using chemically induced electron-hole production at a schottky barrier
Electron-hole production at a Schottky barrier has recently been observed experimentally as a result of chemical processes. This conversion of chemical energy to...
US-6,998,092 Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO.sub.2) can be maintained at residuals below 200 mg/L,...
US-6,998,047 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-6,997,445 Method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column
A method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column (1). The method includes separating the...
US-6,996,479 Method and apparatus for measuring and controlling the water content of a water-containing liquid mixture
An apparatus for measuring the water content of a water-containing liquid mixture contained in a tight chemistry tank includes a heating device for controlling...
US-6,992,389 Barrier for interconnect and method
A method of creating a multi-layered barrier for use in an interconnect, a barrier for an interconnect, and an interconnect including the barrier are disclosed....
US-6,991,890 Negative photoresist composition involving non-crosslinking chemistry
A negative photoresist composition and a method of patterning a substrate through use of the negative photoresist composition. The composition includes: a...
US-6,991,717 Web processing method and apparatus
The present invention relates to a web handling apparatus and process ideally suited for applications involving wet chemistry. The invention involves the...
US-6,991,685 Low temperature cleaning
The invention relates to a method of low temperature cleaning and applying an antimicrobial treatment to food and beverage plant equipment. In addition, the...
US-6,989,519 Controlled flow instrument for microwave assisted chemistry with high viscosity liquids and heterogeneous mixtures
A controlled-flow microwave instrument for chemical synthesis using heterogeneous or highly viscous starting materials includes a microwave source for generating...
US-6,987,167 Process for production of the somatostatin analog, octreotide
The present invention relates to a process for commercial production of octreotide using solution peptide chemistry and inexpensive amino acid derivatives. Thus...
US-6,987,154 Synthesis of A,B-alternating copolymers by olefin metathesis reactions of cyclic olefins or olefinic polymers...
This invention relates generally to synthetic procedures that include the step of ring-opening metathesis of cyclic olefins and reaction with an acyclic diene...
US-6,986,819 Metal-oxide-based energetic materials and synthesis thereof
A method of preparing energetic metal-oxide-based energetic materials using sol-gel chemistry has been invented. The wet chemical sol-gel processing provides an...
US-6,984,556 Method of forming an isolation layer and method of manufacturing a trench capacitor
A two-step etch process is used to form a vertical collar oxide within the upper portion of a trench capacitor. The first step uses CF.sub.4/SiF.sub.4/O.sub.2...
US-6,982,329 Process improvements in steroid chemistry
Steroids containing a cyclohexene moiety are efficiently oxidized to the corresponding .alpha.,.beta.-unsaturated ketone using copper iodide and t-butyl...
US-6,979,641 Methods of forming a conductive contact through a dielectric
A dielectric is formed over a node location on a semiconductor substrate. The dielectric comprises an insulative material over the node location, an insulative...
US-6,979,574 Process for detecting binding reactions with use of the measurement of the relaxation of the double refraction...
The invention relates to a new process for detecting analytes or binding reactions using measurement of the double refraction, as well as the use of the...
US-6,979,116 Apparatus for injecting dry bulk amendments for water and soil treatment
The present invention is an apparatus for introducing a dry material into a fluid stream in a way that ensures a predictable, highly accurate and consistent...
US-6,977,124 Contoured casing for an electrochemical cell
The present invention provides an electrochemical cell of either a primary or a secondary chemistry housed in a casing having opposed major side walls of a...
US-6,974,663 Silver halide imaging element containing intercalated photographically useful compounds
A photographic element is described comprising a support bearing one or more hydrophilic colloid layers including at least one photographic silver halide...
US-6,973,338 Conjunctival monitor
A method for monitoring blood/tissue gases, blood pH, and other elements of blood and tissue chemistry is described that uses a sensor tip that is placed...
US-6,972,265 Metal etch process selective to metallic insulating materials
A method is provided which includes patterning one or more metal layers arranged above a metal insulating layer and terminating the patterning process upon...
US-6,972,258 Method for selectively controlling damascene CD bias
A method for selectively etching a semiconductor feature opening to controllably achieve a critical dimension accuracy including providing a semiconductor wafer...
US-6,969,480 Method of producing structures using centrifugal forces
A variety of hollow structures with unique morphologies were manufactured with a rotational spinning technique. Phase separation of soluble solutions or...
US-6,969,419 Method for removing gas bubbles from a fluid-containing chamber
A method for removing bubbles adhering to the interior wall of a fluid-filled chamber through which a fluid flows, and a related method and apparatus for...
US-6,968,729 Method and apparatus for expediting analysis of samples
The present invention comprises a method for expediting the analysis of a plurality of samples, preferably using gas chromatography. A specific embodiment...
US-6,962,734 Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base
The present invention relates to organic chemistry, in particular, to synthesis of sulfoderivatives of the polycyclic compounds and fabrication of optically...
US-6,958,295 Method for using a hard mask for critical dimension growth containment
A method for containing the critical dimension growth of the feature on a semiconductor substrate includes placing a substrate with a hard mask comprised of a...
US-6,955,915 Apparatus comprising polymers
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to...
US-6,955,579 Monolithic seal for a sapphire metal halide lamp
A method of producing a ceramic metal halide discharge lamp having a monolithic seal between a sapphire (single crystal alumina) arc tube and a polycrystalline...
US-RE38,839 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-6,953,724 Self-limited metal recess for deep trench metal fill
Disclosed is a method of manufacturing a deep trench capacitor structure that forms a trench in a substrate, lines the trench with a polysilicon liner, and forms...
US-6,953,507 Low temperature cleaning
The invention relates to a method of low temperature cleaning and applying an antimicrobial treatment to food and beverage plant equipment. In addition, the...
US-6,951,827 Controlling surface chemistry on solid substrates
By exposing precursor molecules traveling in a molecular beam to a narrow bandwidth laser beam (hu) tuned to a vibrational resonance frequency of the molecules...
US-6,951,821 Processing system and method for chemically treating a substrate
A processing system and method for chemically treating a substrate, wherein the processing system comprises a temperature controlled chemical treatment chamber,...
US-6,951,820 Method for using a hard mask for critical dimension growth containment
A method for containing the critical dimension growth of the feature on a semiconductor substrate includes placing a substrate with a hard mask comprised of a...
US-6,951,709 Method of fabricating a semiconductor multilevel interconnect structure
A method of fabricating a semiconductor multilevel interconnect structure employs a dual hardmask technique in a dual damascene process. The method includes...
US-6,949,411 Method for post-etch and strip residue removal on coral films
A method for cleaning a semiconductor wafer is provided which includes plasma etching a feature into a low K dielectric layer having a photoresist mask where the...
US-6,949,377 Chemiluminescence-based microfluidic biochip
The disclosure describes how to use luminescence detection mechanism, move microfluid, and control multiple-step biochemical reactions in closed confined...
US-6,949,195 System and method for removing contaminants from liquid
A method for removing contaminants from a liquid includes filtering objects of a relatively large dimension. The liquid is then mixed with additives to adjust...
US-6,949,193 Cooling water scale and corrosion inhibition
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO.sub.2) can be maintained at residuals below 200 mg/L,...
US-6,949,149 High strength, high carbon steel wire
To achieve a drawn wire with a tensile strength defined by the equation of Y=Y.sub.o exp(A.sub.2.epsilon..sub.d) wherein Y is the tensile strength in MPa...
US-6,946,542 Amino amides, peptides and peptidomimetics
Synthetic methods and compounds involving amino amides, peptides and peptidomimetics. Amino amide derivatives are prepared via the one-step three-component...
US-6,946,332 Forming nanoscale patterned thin film metal layers
The specification describes a contact printing technique for forming patterns of thin films with nanometer resolution over large areas. The procedure, termed...
US-6,939,973 Glycoluril core molecules for combinatorial libraries
The present invention provides novel glycoluril derivatives for use as core molecules in combinatorial chemistry. Core molecules of the present invention can...
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