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Patent # Description
US-4,840,912 Process for drug detection
The invention provides a process for the presumptive identification of cocaine or heroin street drug comprising applying to a sample of the suspected drug a...
US-4,840,911 Use of sulfoxides for testing ionization detector system
A method of simulating a positive response by volatile organophosphorus ers to an ionization detector system which comprises forwarding to the ionization...
US-4,840,910 Controlling sulfide scavenger content of drilling fluid
The concentration of unspent zinc-based hydrogen sulfide scavenger in an aqueous drilling fluid is controlled by selectively extracting the unspent scavenger in...
US-4,840,909 Method of preparing a sulfonamide-food color additive for detection of sulfonamides in animal feeds and...
A method of preparing a sulfonamide-food color additive for detecting the presence of a compound such as a sulfonamide in animal feeds and pharmaceutical...
US-4,840,908 Culture bottle assembly
A culture bottle assembly is provided with an upright support carrying an agar slant surface arranged to be exposed, intermittently, to a body fluid sample and a...
US-4,840,907 Process for producing optically active dichloropropanol using microorganism
A process for producing optically active dichloropropanol, which comprises cultivating an R-(+)-2,3-dichloro-1-propanol-assimilating strain belonging to the...
US-4,840,906 Plant generation method
The invention provides a method of generating barley plants comprising culturing barley microspores on a sugar-containing medium and harvesting green plantlets...
US-4,840,905 Process for culturing biological material
A process for culturing biological material capable of multiplication, especially cells securely adhering to microcarriers, employs a bioreactor having a vessel...
US-4,840,904 Recovery and reuse of cellulase catalyst in an exzymatic cellulose hydrolysis process
A process for recovering cellulase from the hydrolysis of cellulose, and reusing it in subsequent hydrolyois procedures. The process utilizes a commercial...
US-4,840,903 Process for producing ethanol from plant biomass using the fungus paecilomyces sp.
A process for producing ethanol from plant biomass is disclosed. The process in cludes forming a substrate from the biomass with the substrate including...
US-4,840,902 Continuous process for ethanol production by bacterial fermentation using pH control
A continuous process for the production of ethanol by fermentation of an organism of the genus Zymomonas is provided. The method is carried out by cultivating...
US-4,840,901 Restriction endonuclease Dra II
The present invention teaches a restriction endonuclease which recognizes and cleaves palindromic sequence as well as a process for obtaining this endonuclease. One...
US-4,840,900 Continuous process for the preparation of immobilized glucoamylase
A continuous process for the preparation of immobilized glucoamylase useful for the long term continuous direct hydrolysis of starch to fermentable glucose at...
US-4,840,899 Method for the production of ribavirin using high robose donor concentrations
A method for the production of a 1,2,4-triazole nucleoside comprising the step of reacting a ribose donor with a triazole compound in the presence of an enzyme...
US-4,840,898 High temperature method for the production of ribavirin
A method for the production of a 1,2,4-triazole nucleoside comprising the step of reacting a ribose donor with a triazole compound in the presence of an enzyme...
US-4,840,897 Modified human insulin and its use as starting material for the preparation of human insulin
A novel modified human insulin of the general formula: ##STR1## wherein R is a hydrophobic or charged amino acid or a di- or tripeptide group, comprising a...
US-4,840,896 Heteropolymeric protein
Biologically active heteropolymeric protein composed of a plurality of subunits, each subunit being synthesized by a cell having an expression vector...
US-4,840,895 Monoclonal antibodies reactive with immune complexes
A secondary monoclonal antibody against a complex of a molecule of molecular weight less than 5000 and a binding protein against said molecule which secondary...
US-4,840,894 Method for detecting a marker for essential hypertension and diagnostic use thereof
A method for detecting the presence in a human of an integral membrane calcium-binding protein associated with essential hypertension which comprises isolating...
US-4,840,893 Electrochemical assay for nucleic acids and nucleic acid probes
The present invention discloses an assay for nucleic acid which comprises the steps of; (a) providing a probe material comprising; (i) a sequence of nucleic acids...
US-4,840,892 Polynucleotide hybridization probes
Polynucleotide hybridization probes are labeled in non-probe regions but not in probe regions by selectively protecting probe regions prior to modification of...
US-4,840,891 Encapsulation of sperm for artificial insemination
Sperm are encapsulated in a nontoxic polymer which is freely flowing at body temperature and a gel or solid at temperatures of storage and transfer. On delivery...
US-4,840,890 Hardened proteinic binder layer
Heteroaromatic vinylsulphone compounds having at least two vinylsulphonyl groups each attached to a carbon atom of a heteroasomatic ring are suitable for...
US-4,840,889 High whiteness silver halide photographic paper for direct positives
Silver halide photographic paper for direct positives, comprising a support and a silver halide emulsion layer for direct positives, provided on the support and...
US-4,840,888 Light-sensitive silver halide photographic material
There is disclosed a light-sensitive silver halide photographic material having at least one silver halide emulsion layer on a support, which comprises the...
US-4,840,887 Silver halide photographic materials
A silver halide photographic material is disclosed, which comprises a support having formed thereon at least one silver halide emulsion layer, wherein the silver...
US-4,840,886 Silver halide color photographic material containing a 1h-pyrazole (3,2-C)-s-triazole derived magenta coupler
A silver halide color photographic material having at least one silver halide emulsion layer on a support is disclosed. Said silver halide emulsion layer...
US-4,840,885 Color photographic recording material for the dye diffusion transfer process
A color photographic recording material for the dye diffusion transfer process contains color producing compounds in the form of a dispersion of particles of an...
US-4,840,884 Photographic element and process comprising a dye releasing group
A new photographic coupler comprises a coupling-off group bonded to the coupler at the coupling position represented by the formula: wherein L is a linking group;...
US-4,840,883 Light-sensitive silver halide color photographic material containing novel cyan coupler
There is disclosed a light-sensitive silver halide color photographic material containing novel cyan coupler which comprises a light-sensitive silver halide...
US-4,840,882 Heat developable color light-sensitive material
In a heat-developable color light-sensitive material comprising a support having thereon at least two light-sensitive layers each comprising a light-sensitive...
US-4,840,881 Process for the production of light-sensitive silver halide photographic material
A process for the preparation of a light-sensitive silver halide photographic material comprising a support, a silver halide emulsion layer, and a...
US-4,840,880 Color photographic recording material containing a yellow DIR coupler
High interimage effects and edge effects can be obtained in multilayer color photographic recording materials if yellow DIR couplers of formula I are used...
US-4,840,879 Direct positive image-forming process
The present invention relates to a process for forming a direct positive color image comprising (a) imagewise exposing a direct positive photosensitive silver halide...
US-4,840,878 Method of color image formation using a high chloride emulsion and a developer free of benzyl alcohol
A method for forming a color image is disclosed, which comprises imagewise exposing a multi-layer silver halide color photographic material comprising a...
US-4,840,877 Silver halide color photographic material and method for processing the same
A silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide color...
US-4,840,876 Method of treating photoresists
An ultraviolet radiation method of treating positive photoresist materials to enhance the thermal stability of positive photoresist film on a semiconductor wafer...
US-4,840,875 Desensitizing gum for lithographic printing plate comprising a polybasic and monoester of polysaccharide
An emulsion type desensitizing gum comprises at least one polybasic acid monoester derivative of polysaccharide. The desensitizing gum exhibits high shelf...
US-4,840,874 Method of forming resist pattern
A method of forming a resist pattern on a substrate such as a mask substrate for use in manufacturing semiconductor devices or a semiconductor substrate at the...
US-4,840,873 Production of optical recording medium
A process for producing an optical recording medium, comprising heat-treating an optical recording medium formed of a thin metal film on the minutely roughened...
US-4,840,872 Pattern forming method by use of X-ray exposure
A pattern forming method in which a water-soluble organic film absorbing secondary electrons or soft X-rays is formed on a resist layer and thereafter, pattern...
US-4,840,871 Color photographic heat development process
Process for the production of color images by the color photographic dye diffusion process in which development is brought about by heat and water. The...
US-4,840,870 Heat-transfer image-receiving element
In a heat-transfer image-receiving element adapted to have a superposed relation, at least during a heat-transfer processing, with a heat-transfer element...
US-4,840,869 Light-sensitive composition
Light sensitive compositions are disclosed which comprise 2-halomethyl-1,3,4,-oxadiazole compounds having a heterocyclic radical in the fifth position containing...
US-4,840,868 Photosensitive composition based on a diazonium salt polycondensation product with an ester polymer binder...
A photosensitive composition is described, which contains a diazonium salt polycondensation product and a polymeric binder which is soluble or at least swellable...
US-4,840,867 Positive-working radiation-sensitive recording material with radiation-sensitive 1,2-quinone diazide underlayer...
A radiation-sensitive recording material comprising a support and first and second radiation-sensitive layers is disclosed. The first radiation-sensitive layer...
US-4,840,866 Microcapsule imaging system having improved dynamic range
A photographic material exhibiting improved photographic characteristics comprising a photographic material comprising a support having a layer of microcapsules...
US-4,840,865 Liquid developer for electrostatic photography
A liquid developer for electrostatic photography is disclosed, comprising a non-aqueous solvent having electrical resistivity of not less than 10.sup.9...
US-4,840,864 New electrostatographic toners and developers containing new charge-control agents
New electrostatographic toners and developers are provided containing new charge-control agents comprising quaternary ammonium salts having the structure ...
US-4,840,863 Positively chargeable toner for use in dry electrophotography
A positively chargeable toner for use in dry electrophotography, said toner comprising (A) a resinous binder composed of at least one resin selected from...
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