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Patent # Description
US-4,341,870 Cultivatable human rotavirus type 2
This invention relates to a precursor or intermediate for a rotavirus vaccine to protect infants and young children against diarrhea caused by rotavirus. The...
US-4,341,869 Process for producing heparinase
Heparinase is produced by growing the bacteria, Flavobacterium heparinum, in a defined medium consisting of a carbon source, two or more amino acids and mineral...
US-4,341,868 Method and test composition for the determination of the substrate for xanthine oxidase
The substrate for xanthine oxidase such as xanthine, hypoxanthine, guanine, 2-hydroxypurine, etc. are determined by oxidizing the substrate by the action of...
US-4,341,867 Process for recovering enzymes from blood
Various enzymes, in particular Cu,Zn-superoxide dismutase (SOD), catalase and carbonic acid anhydrase, are recovered from blood by admixing wholly or partly...
US-4,341,866 Antienzyme termination in enzyme immunoassays
An improved method is provided for performing an enzyme immunoassay, where the signal producing compound is chemically labile. Particularly, in homogeneous...
US-4,341,865 Determination of thyroxine binding globulin
This invention encompasses a method for measuring unsaturated thyroxine binding globulin in serum comprising intermixing with the serum: (i) thyroxine irreversible...
US-4,341,864 Photographic elements containing cyan-forming couplers
Cyan-forming color couplers according to the formula: ##STR1## wherein Z is hydrogen in the case of 4-equivalent couplers or a substituent that splits off...
US-4,341,863 Archival optical recording medium
An optical information storage medium comprising a thin, optically darkenable film containing silver, lead, chlorine and oxygen, produced by vapor-depositing...
US-4,341,862 Vesicular recording materials
Process for the production of vesicular recording materials. The photographic characteristics such as speed and contrast of vesicular recording materials are...
US-4,341,861 Aqueous developable poly(olefin sulfone) terpolymers
This invention relates to novel terpolymers of 3-methylcyclopentene, 2-cyclopentene-1-acetic acid and sulfur dioxide. Positive electron beam resist media...
US-4,341,860 Photoimaging compositions containing substituted cyclohexadienone compounds
Photoimaging compositions comprising (A) a cyclohexadienone compound as defined, and at least one of (B.sub.1) a leuco dye or (B.sub.2) addition polymerizable...
US-4,341,859 Emulsion for making dry film resists
A resist film composed of a water-soluble polyvinyl alcohol, a water-soluble thermosetting polymethylol cross-linking agent and a polyaryl iodonium or sulfonium...
US-4,341,858 Image-transfer reversal emulsions and elements with incorporated quinones
Direct-positive photographic emulsions and elements which include internal-image silver halide grains, a nucleating amount of a hydrazine compound and a redox...
US-4,341,857 Photograph film unit
An improvement to instant photograph film wherein spotted uneven concentration is effectively prevented, particularly under high temperature conditions, from...
US-4,341,856 Photosensitive lithographic printing plate precursors
A photosensitive lithographic printing plate precursor comprising a support having a hydrophilic surface and having thereon a non-silver photosensitive layer...
US-4,341,855 Photographic element provided with a magnetic recording stripe and method and composition for manufacture thereof
Photographic elements are provided with a magnetic stripe that is useful for sound recording by applying a magnetic striping composition, containing...
US-4,341,854 Method for flash fusing toner images
Fusing both small and large image areas of dry resinous marking particles supported on the surface of a receiver member by irradiating the particles with energy...
US-4,341,853 Spectral sensitization of organic photoconductors with diazastryl dyes
Photoconductive compositions and materials including photoconductive substances and spectral sensitizers, are described; the sensitizers comprise diazastyryl...
US-4,341,852 Polycyanoanthracenes and use as sensitizers for electrophotographic compositions
Polycyanoanthracenes containing three or more cyano groups, and in particular the novel compound 2,6,9,10-tetracyanoanthracene, are sensitizers for organic...
US-4,341,851 Electrophotographic photoconductor comprising CdS and ZnS
An electrophotographic photoconductor, formed on a conductive substrate by spray pyrolysis, comprising essentially a major amount of cadmium sulphide and a minor...
US-4,341,850 Mask structure for forming semiconductor devices, comprising electron-sensitive resist patterns with controlled...
The specification describes a mask structure comprising a resist pattern having a controlled line profile, for use in defining a predetermined region on and...
US-4,341,849 Sodium resistant sealing glasses and sodium-sulfur cells sealed with said glasses
Sodium resistant sealing glasses have aluminoborate glass compositions in which glass stability is improved by the incorporation of specific mixtures of...
US-4,341,848 Bifunctional air electrodes containing elemental iron powder charging additive
A bifunctional air electrode for use in electrochemical energy cells is made, comprising a hydrophilic layer and a hydrophobic layer, where the hydrophilic layer...
US-4,341,847 Electrochemical zinc-oxygen cell
An electrochemical zinc-oxygen cell is disclosed which has annular electrodes wherein oxygen flows through the central portion of a diffusion cathode and a...
US-4,341,846 Palladium boron plates by electroless deposition alloy
A bath for the electroless deposition of palladium boron comprises an aqueous solution of divalent palladium, ammonia or amine, and a tertiary amine borane. The...
US-4,341,845 Helical metallic ribbon for continuous edge winding applications
Metallic ribbon is provided in continuous helical form. The ribbon may be nested and/or manufactured with a continuous pattern of predetermined geometry in the...
US-4,341,844 Article having organo-phosphonitrile rubber coating bonded to natural or synthetic rubber and method of making
A coating of organo-phosphonitrile polymer is bonded to the surface of a cured rubber article such as a catheter with a primer coating containing a cross-linked...
US-4,341,843 Refractory coatings
This invention is concerned with improving adhesion, friction and wear properties of sputtered refractory coatings on substrates of materials that form stable...
US-4,341,842 Method of coating automotive parts with silicone compositions
A method of coating an automotive part with a room temperature vulcanizable silicone rubber composition comprising applying to the automotive part a thin layer...
US-4,341,841 Multi-layer coating protective film form
An article with multi-layer protective coatings, comprising a substrate and two protective coating layers, in which said protective coating layers consist of a...
US-4,341,840 Composite bearings, seals and brakes
A bearing, seal or brake material is disclosed comprising a graphite fiber reinforced glass matrix material. The bearings, seals and brakes according to the...
US-4,341,839 Water and solvent resistant coated paper and method for making the same
The present invention resides broadly in a method for the preparation of paper having improved water and/or solvent resistance which comprises applying to a base...
US-4,341,838 Molding compositions and diaphragms, arm pipes and head shells molded therefrom
A molding composition comprising a thermoplastic resin in admixture with flaky graphite and carbon black is molded into an acoustic article which shows a high...
US-4,341,837 Laminar thermoplastic resin structure
A laminar thermoplastic resin structure comprising a plurality of thermoplastic resin layers is obtained by bonding thermoplastic resin layers with a layer, or...
US-4,341,836 Surfacing for sports areas, more particularly tennis courts
The invention relates to a surfacing for sports areas, more particularly tennis courts in which a bearing layer (2,2a) is applied to a surface (1) , fragments...
US-4,341,835 Macrofilament-reinforced composites
Composite materials consisting of a matrix incorporating high-aspect-ratio reinforcement members, wherein the reinforcement members consist of relatively large,...
US-4,341,834 Coated super-hard alloy articles
A cutting tool or a wear-resistant mechanical part comprises: a substrate of WC, Co, TiC, and TaC with or without an inner coating layer of TiC, TiN or TiCN; an...
US-4,341,833 Forgery-resistant film
The film disclosed in the application is secure against forgeries and serves for marking articles, in particular high-quality branded goods. It is comprised of...
US-4,341,832 Synthetic chamois wiping cloths
An improved composite sheet material product having the appearance, drape, hand and water absorption and retention characteristics of natural chamois leather,...
US-4,341,831 Shapes for windows or doors
A primer is provided as a bonding base in an extruded hollow aluminum shape ensheathed by a polyurethane foam. Due to the different coefficients of expansion...
US-4,341,830 Composite structure in the form of a disc of knitted carbon fibers
A composite structure such as an aircraft brake disc has a matrix material reinforced by knitted panels of fabric arranged in a stack. The panels are knitted...
US-4,341,829 Fabric and method of manufacture using selvage bands
A non-woven fabric is manufactured which utilizes as a primary component material the fringed selvage band resulting as a by-product in the manufacture of...
US-4,341,828 Refinish painting apparatus
Described is a masking tape adapted for use in defining a selected portion of a surface for refinish spray painting wherein the masking tape is applied to a...
US-4,341,827 Biaxially oriented thermoplastic polymer film and method of manufacture
The invention is directed to biaxially oriented thermoplastic polymer flexible film having a substantially uniform thickness between about 0.005 and 0.030 of an...
US-4,341,826 Internal combustion engine and composite parts formed from silicon carbide fiber-reinforced ceramic or glass...
A high strength, fracture tough, high temperature oxidatively stable, heat insulating internal combustion engine combustion chamber component is described made...
US-4,341,825 Fog-resistant, heat-sealable film
A transparent, heat-sealable, laminated film is provided that comprises a first layer of a difficultly heat-sealable polymer chemically interfacially bonded to a...
US-4,341,824 Method of upgrading rock and treated rock obtained therefrom
A method is provided for upgrading rock in the form of aggregate, block, shaped stone or concrete structures involving the treatment of such rock with a dilute...
US-4,341,823 Method of fabricating a fiber reinforced metal composite
The present invention comprises a process of preparing metal matrix composites which are reinforced by ceramic or graphite fibers, wherein the fibers are...
US-4,341,822 Method of and apparatus for impregnating fabric reinforcement structures with a liquid impregnant
A method of and apparatus for impregnating a fabric reinforcement structure with a liquid impregnant especially suited for impregnants which set rapidly under...
US-4,341,821 Method of applying water-base paint
A method of applying water-base paint in which a solvent which increases the viscosity of water-base paint is sprayed on the article to be painted before or...
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