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Patent # Description
US-4,497,898 Spectrophotometric method for simultaneously analyzing protein and fat contents in milk
By means of a novel triple-beam spectrophotometer, the protein and fat contents in milk can be simultaneously and rapidly determined. The system is...
US-4,497,897 Liquid proteinase concentrate and method for preparation
A storage stable liquid enzyme concentrate of Subtilisin Carlsberg containing 0.5-6.5 Anson Units of proteinase per gram of concentrate and method for preparing...
US-4,497,896 Fermentation of glucose with recycle of non-fermented components
A feedstock slurry of starch and acid is continuously moved through a high intensity tubular starch hydrolyzer to produce a fluid hydrolyzate containing glucose....
US-4,497,895 Method for preparing silver halide photographic emulsion
There is disclosed a method for preparing a silver halide photographic emulsion by use of an ammoniacal silver nitrate solution in a double-jet manner,...
US-4,497,894 Colored silver halide photographic photosensitive materials
Disclosed is a silver halide photographic photosensitive material which contains at least one dye analogous to a diaminotriphenylmethane dye having sulfo group...
US-4,497,893 Silver halide color reversal photographic material
A silver halide color reversal photographic material comprising a backing layer containing both gelatin of an isoelectric point of 5.5 or more and a cationic...
US-4,497,892 Method for forming multiple images on a photographic film
A method and apparatus for generating a negative or positive image from a single photographic medium. A source of radiant energy is projected onto a sheet of...
US-4,497,891 Dry-developed, negative working electron resist system
A process for producing a resist pattern by dry development using a resist comprising from 70 to 50% by weight of a novolac resin and from 30 to 50% by weight of...
US-4,497,890 Process for improving adhesion of resist to gold
A process is disclosed for improving the adhesion of a polymeric resist to a gold metallization surface. The process includes the use of a chelating silane as an...
US-4,497,889 Release compound in negative acting photopolymerizable element
Improved release properties are obtained between a cover sheet and a supported negative acting radiation sensitive photopolymerizable composition by introduction...
US-4,497,888 Light-sensitive o-quinonediazide printing plate with oxonol dye
A light-sensitive printing plate precursor is disclosed. The printing plate precursor is comprised of an aluminum support base having provided on a grained and...
US-4,497,887 Thermal development type diazo copying material with hydrophobic resin encapsulated coupler particle
A thermal development type diazo copying material comprising a support material and a photosensitive layer formed on the support material, which photosensitive...
US-4,497,886 Electrophotographic liquid developer for the reversal development _of negatively-charged images
An electrophotographic liquid developer is disclosed which is useful in the development of negatively charged charge images. The developer comprises an...
US-4,497,885 Pressure-fixable microcapsule toner
A microcapsule toner for pressure fixing, comprising a core material containing a pressure-fixable component and a magnetic material, a first shell layer...
US-4,497,884 Method for the production of a self-supporting mask
The invention relates to a method for the production of a self-supporting spacing mask for a particle radiation-projection system, especially for the selective...
US-4,497,883 Battery having cathode of sheet loaded with graphite and carbon sheet anode
Rechargeable secondary battery comprising a cathode of a sheet loaded with graphite, an anode of a sheet containing high surface area carbon, and an electrolyte....
US-4,497,882 Method of preparing an article which is resistant to corrosive attack by molten polysulfide salts
This specification teaches a method of preparing an article which is electronically conductive and resistant to corrosive attack by molten polysulfide salts. The...
US-4,497,881 Battery charge indicator
An electrical storage cell includes a charge producing compound in the interior of the cell which inherently and without the addition of additives or structure...
US-4,497,880 Recombination device for storage batteries
A recombination device including a gas-tight enclosure connected to receive he discharge gases from a rechargeable storage battery. Catalytic material for the...
US-4,497,879 Electrochemical storage cell
Electrochemical storage cell of the alkali metal and chalcogen type with at least two electric terminals as well as at least one anode chamber and one cathode...
US-4,497,878 Photomask material
There is disclosed a photomask material comprising a substrate, and at least one layer containing mixture of a metal oxide and a metal nitride or at least one...
US-4,497,877 Metal article layered with a nickel-phosphorus alloy and a protective coating
A metal article which covered with a nickel-phosphorus alloy and which is covered on its outer surface with a protective layer which comprises CrPO.sub.4,...
US-4,497,876 Corrosion resistant metal composite with zinc and chromium coating
A metal composite is provided extended corrosion resistance. Prior to joining the metals of the composite, at least one of the metals is provided with a metallic...
US-4,497,875 Ceramic substrate with metal plate
A ceramic substrate with metal plate, wherein a metal plate consisting mainly of copper is bonded to a ceramic substrate through a brazing layer consisting of a...
US-4,497,874 Coated carbide cutting tool insert
A coated carbide insert has a cobalt enriched zone at one decarburized surface, and a thin TiN transition layer over this surface. The cobalt enriched zone and...
US-4,497,873 Isentropic compressive wave generator impact pillow and method of making same
An isentropic compressive wave generator and method of making same. The w generator comprises a disk or flat "pillow" member having component materials of...
US-4,497,872 Sealed identification card with blocking layers
An identification card protected against external chemical influences of the environment, having blocking layers in its outer areas to prevent plasticizers and...
US-4,497,871 Reconstituted leather and method of manufacturing same
A reconstituted leather product and a method of manufacturing this reconstituted leather product is disclosed in which leather (preferably scrap leather) is...
US-4,497,870 Magneto-optical recording medium
A magneto-optical recording medium comprising a layer of amorphous rare-earth-transition-metal alloy having a uniaxial magnetic anisotropy, the alloy containing...
US-4,497,869 Formed product of vermiculite and method for producing the same
A formed product of vermiculite comprising thin leaves of vermiculite containing cations of one or more elements selected from the group consisting of copper,...
US-4,497,868 Very fine denier synthetic fibers
Dry-spun synthetic fibers and filaments having an individual as-spun denier of 3 dtex are obtained by dry spinning a viscosity-stable spinning solution with a...
US-4,497,867 Multiwire twisted conductor and device for coating twisted conductor wires
A multiwire twisted conductor comprising wires coated with materials serving to permit soldering and protection of the wires against corrosion, with at least one...
US-4,497,866 Sucker rod
A rod assembly comprising a core component and a sheath component and having an elongate cross-section, the sheath component consisting of an anisotropic...
US-4,497,865 Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom
The present invention relates to a polyethylene terephthalate film having the sum of F-5 values in longitudinal and transverse directions of 3500 to 5000...
US-4,497,864 Magnetic recording medium
A magnetic recording medium is disclosed. The medium is comprised of a support base having coated thereon a magnetic layer comprised of ferromagnetic particles...
US-4,497,863 Laminated weft insertion fabric
Laminated weft insertion fabric which employes a warp knit, weft insertion substrate to provide integrity to a non-woven partially polypropylene materials used...
US-4,497,862 Moisture vapor permeable sheet materials
A moisture vapor permeable sheet material is comprised of a homogeneous admixture of a synthetic polymer material and a protein derivative. The sheet material is...
US-4,497,861 Water-repellent, abrasion resistant coatings
Abrasion resistant films formed by the copolymerization of epoxy-terminated silanes and limonene monoxide display water repellency that reduces damage to the...
US-4,497,860 Imageable prismatic array
Articles having on one surface thereof a linear prism array and a diffraction grating on the opposite surface are provided which are suitable for the preparation...
US-4,497,859 Insulating insert for storage or transportation container
Mobile and collapsible insulating insert for storage and transportation containers. The insert has a hood which has connected outside surfaces made of...
US-4,497,858 Tile for an entrance mat
A tile for use in constructing an entrance mat. The tile has a flat base and low walls surrounding the base for retaining water on the base. Scraper means are...
US-4,497,857 Flexible heat-sealable sheet and bag made therefrom
A flexible multilayered heat-sealable sheet comprising a structural layer, a heat-sealing layer on the structural layer and a nonsticky cover layer on the...
US-4,497,856 Multi-layered hollow container
Multi-layered containers are disclosed including an inner layer of a thermoplastic fluorocarbon resin, an outer layer of polyolefin, and an intermediate layer...
US-4,497,855 Collapse resistant polyester container for hot fill applications
A collapse resistant polyester container is provided for hot fill applications employing product fill temperatures up to about 190.degree. F. (87.8.degree. C.)...
US-4,497,854 Artificial cross-country ski surface with pair of bent over ski tracks
An artificial surface for simulated cross-country skiing comprising an elongate flat flexible base and a multiplicity of extruded strips of synthetic resin...
US-4,497,853 Synthetic turf carpet game playing surface
A synthetic pile carpet athletic game playing surface, such as for golf and the like, is formed with a relatively thick, loosely felted, springy fiber mat laid...
US-4,497,852 Marine anti-fouling coating composition
A non-leaching coating composition useful in preventing fouling of marine structures submerged in water which composition is prepared as a single component...
US-4,497,851 Method for the fabrication of transferable enamel sheet
A transferable enamel sheet and the process for producing it is disclosed, which consists of a carrier film, a release layer applied thereon, a paint or enamel...
US-4,497,850 Method for surface treatment of a magnetic amorphous alloy
The present invention relates to a method for forming on a magnetic amorphous alloy a film which is extremely thin, insulating, and corrosion-resistant and,...
US-4,497,849 Process for polymer coating electrical conductors
A process for polymer coating electrical conductors comprises dissolving a polymer in a volatile solvent to provide a solution of the polymer. The solution is...
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