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Searching: chemistry





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Patent # Description
US-5,462,064 Integrated system for biological fluid constituent analysis
A multi-part system to collect and analyze constituents of body fluid. The use of a multilayered gel matrix to facilitate the collection of analytes fluid and a...
US-5,457,056 Halohydrocarbon sensing chemistry with base modifier
A base modifier is added to a pyridine/base reagent composition to improve the ability to detect halogenated hydrocarbons like TCE and chloroform. The base...
US-5,455,499 Method and apparatus for indicating a battery status
A battery-status-indicating apparatus and arrangement for use-with electronic equipment (100) provides an operator with a displayed indication of remaining...
US-5,455,009 Blood collection assembly including clot-accelerating plastic insert
A blood collection assembly includes a tube, which may be glass or plastic, and a plastic insert therein. The insert has been plasma-treated to change the...
US-5,451,543 Straight sidewall profile contact opening to underlying interconnect and method for making the same
A method for making a vertical profile contact opening (18) uses an etch stop layer (14), interposed between a conductor layer (10) and a dielectric layer (16),...
US-5,445,911 Chelating positive charge director for liquid electrographic toner
The invention is a positive charge director for liquid electrographic toners. The charge director comprises a very strongly chelating functional group covalently...
US-5,443,080 Integrated system for biological fluid constituent analysis
A multi-part system to collect and analyze constituents of body fluid. The use of a multilayered gel matrix to facilitate the collection of analytes fluid and a...
US-5,441,013 Method for growing continuous diamond films
In contrast to previous approaches, the present inventors have discovered that diamond films can be grown by carbon CVT reactions occurring exclusively in the...
US-5,437,953 Dye-polymer toners for electrophotography
This invention consolidates all of the functions served by the EP toner in one macromolecule. The invention is a macromolecule of dye-polymer comprising a dye...
US-RE35,006 Turfing systems for stadia
Stadia and other activity surfaces are provided comprising natural turf. Natural turf units are provided which are transportable between first and second...
US-5,436,380 Process for producing aromatic hydrocarbons
A process for producing aromatic hydrocarbons comprises bringing hydrocarbons having 2 to 12 carbon atoms into contact with a modified crystalline...
US-5,432,290 Process for the preparation of 2,2-difluoro-1,3-benzodioxole
A process for the preparation of 2,2-difluoro-1,3-benzodioxole from 2,2-dichlorol,3-benzodioxole. 2,2-Difluoro-1,3-benzodioxole is prepared by reaction of...
US-5,431,967 Selective laser sintering using nanocomposite materials
A method of fabricating three-dimensional objects in a layerwise fashion, and having high structural strength and high density, is disclosed. Methods are...
US-5,426,206 Stereospecific synthesis of aldols
Methods are provided for preparing all four diastereomers of 2-alkyl-3-hydroxyalkanals, 2-alkyl-3-silyloxyalkanals, and the like, with high enantiocontrol, using...
US-5,426,148 Fast-curling, high strength, two-part sealants using acetoacetate-amine cure chemistry
A fast-curing sealant composition is made from generally liquid oligomers and has good tensile strength, one hundred percent modulus, Shore-A Hardness, and good...
US-5,422,355 Composition for treating depression with (N-heteroaryl)alkylamines
The invention concerns compounds having formula: ##STR1## or a salt thereof, wherein E represents hydrogen, lower alkyl or a group Ar.sup.1 --A.sup.1 --; Ar...
US-5,421,911 Regular grain oriented electrical steel production process
The present invention provides a steel composition and method for producing a high quality regular grain oriented electrical steel having less than 0.005%...
US-5,420,081 Preparation of fullerene/glass composites
Synthesis of fullerene/glass composites. A direct method for preparing solid solutions of C.sub.60 in silicon dioxide (SiO.sub.2) glass matrices by means of...
US-5,419,872 Tube having regions of different surface chemistry
In a method to modify the chemistry of a portion of the surface of an article, the surface is placed adjacent an electrode in a plasma chamber, the distance to...
US-5,419,821 Process and equipment for reforming and maintaining electroless metal baths
Process and equipment for reforming and maintaining the chemistry of an electroless metal bath, particularly an electroless nickel bath is disclosed.
US-5,414,485 Oscillating drum for an apparatus for processing photographic materials
It is known to oscillate hollow processing drums to increase the agitation of the processing within the drum. However, these drums require a relatively large...
US-5,413,692 Hydrodynamically modulated hull cell
Electrodeposition in surface finishing as well as in electroforming can be performed in a broad range of hydrodynamic conditions. In some instances, such as...
US-5,412,868 Process of removing polymers in semiconductor vias
A method for forming a contact via in an integrated circuit includes the formation of an aluminum conductive element on an integrated circuit device. A conformal...
US-5,412,447 Photographic processing apparatus
It is known to use continuous belts for transporting photographic material through large multi-stranded photographic processing machines so that the material is...
US-5,412,148 Amplifier molecules derived from diethylene triaminepentaacetic acid for enhancement of diagnosis and therapy
Disclosed are amplifier molecules: various organic compounds having branched structures terminating with amine groups to which pharmacologically active groups...
US-5,411,835 Dry photochromatic film
The photochromatic indicator is a dry film comprised of microencapsulated chemistry which reacts to the degradation of the dry film components when irradiated by...
US-5,411,537 Rechargeable biomedical battery powered devices with recharging and control system therefor
An improved hermetically-sealed automatic implantable cardioverter-defibrillator (AICD) or any other bioimplantable device which may be operated on a single...
US-5,410,068 Succinimidyl trityl compounds and a process for preparing same
The invention pertains to compounds and methods for the reversible modification of natural products, biopolymers or synthons for natural products or biopolymers,...
US-5,408,999 Fiber-optic probe for the measurement of fluid parameters
A fiber optic sensor suitable for measuring and monitoring fluid parameters, e.g. blood parameters such as carbon dioxide and oxygen partial pressure and...
US-5,407,599 Cyclopropylaklyl or -alkenyl or heterocyclic compounds, process for their preparation and their use in...
Disclosed and claimed are liquid-crystalline cyclopropylalkyl or -alkenyl or heterocyclic compounds, process for their preparation, and their use in ...
US-5,407,590 Transition metal/polymer matrix composite of transition metal dichalcogenides and polymers a lubricious and...
The present invention provides a transition metal/polymer matrix composite material which has durable, wear and corrosion resistant and friction reducing...
US-5,405,783 Large scale photolithographic solid phase synthesis of an array of polymers
A technique for the synthesis of arrays of diverse polymers such as polypeptides and nucleic acids. The technique beneficially utilizes solid-phase chemistry...
US-5,405,585 Fluid delivery system utilizing multiple port valve
The present invention is directed to the implementation of a multi-port rotary valve in an automated chemistry processing instrument which reduces chemical...
US-5,405,583 Solid state sensor for carbon monoxide
A solid state optical sensor for CO has a sensing material which includes a molybdenum, tungsten or vanadium color forming agent; a palladium, ruthenium or...
US-5,399,590 Quaternary ammonium salts and pharmaceutical compositions containing them
The invention relates to the field of organic chemistry and more particularly to that of therapeutic chemistry. More particularly it relates to new quaternary...
US-5,399,497 Capsule chemistry sample liquid analysis system and method
An analysis method and apparatus comprises feeding a stream of fluid capsules in a fluid conduit for flow therethrough by forming a film of isolating liquid on...
US-5,398,268 Nuclear power plant having a water chemistry control system for a primary cooling system thereof and an...
A water chemistry factor which is specific to a specific portion of a primary cooling system and universal is decided to be a standard target. The concentration...
US-5,397,534 Method for controlling crevice chemistry on the secondary side of a pressurized water reactor steam generator
A method for detecting pH imbalances and/or achieving pH balance in crevices of a pressurized water reactor steam generator. The method comprises obtaining...
US-5,393,635 Chelating negative charge director for liquid electrographic toner
The invention is a negative charge director for liquid electrographic toners. The charge director comprises a very weakly associating, charged functional group...
US-5,393,609 Weatherable powder coatings
This invention provides weatherable thermosetting powder coating compositions based on 1,2-cyclohexanedicarboxylic acid and ...
US-5,389,523 Liposome immunoanalysis by flow injection assay
A method of immunoanalysis combines immobilized immunochemistry with the technique of flow injection analysis, and employs microscopic spherical structures...
US-5,389,229 Prestabilization of particulate matter prior to their dispersion
Disclosed is a method for the plating of a substrate with a composite coating bearing a metallic matrix with finely divided particulate matter dispersed therein....
US-5,389,135 Chemistry to prevent the build up of hard ash deposits on equipment
The instant invention comprises a method of preventing ash deposition on equipment comprising adding a hemicellulose extract to phosphonate to form a mixture....
US-5,389,118 Abrasive tool having film-covered CBN grits bonded by brazing to a substrate
The invention concerns in one aspect a CBN abrasive tool comprising a metal, ceramic or cemented carbide substrate and a single layer of CBN grits bonded to said...
US-D354,559 Blood chemistry sensor assembly
US-5,380,804 1,3,5-tris-(2-carboxyethyl) isocyanurate crosslinking agent for polyepoxide coatings
Novel curable compositions based on carboxy/epoxy chemistry and cured coatings produced thereby are provided. The curable compositions employ ...
US-5,380,559 Electroless metallization of optical fiber for hermetic packaging
An electroless process has been developed to deposit nickel and gold onto optical fibers using aqueous chemistry. The key to the process is a sensitization of a...
US-D354,347 Blood chemistry sensor assembly
US-5,378,318 Planarization
A method for improved planarization of surface topographies encountered in semiconductor processing that involve the etch-back of exposed surfaces of an oxide of...
US-5,377,673 Intrauterine monitoring device
An improved fetal monitoring device which incorporates sensors which permit the monitoring of inutero fetal heart rate, oxygen saturation, blood chemistry and...
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