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Assignee: Epitope, Inc.


Location: Beaverton, OR
No. of patents: 26

NumberTitleIssue Date
6008056Sample volume control for lateral flow chromatography
A method of assaying a preselected volume of sample on an chromatographic strip includes providing a sample receiving reservoir. This reservoir can receive a preselected volume of sample or a preselected volume of sample and reagent. The sample receiving ...
12/28/1999
5871905Reduction of false positives in oral-fluid based immunoassays
This invention relates to the use and composition of materials which, when added to oral fluid samples, make such samples suitable for use with microparticle-based immunoassays. In one embodiment, this invention provides a method of reducing false positiv...
02/16/1999
5859374Flexible centrifuge tube having bio-containment function
An apparatus and process for transporting and discharging biohazardous materials is disclosed. A vial is provided having an interior for receiving biohazardous contents. The vial is sealed at one end by a frangible tip for forming an opening in the vial u...
01/12/1999
5859330Regulated expression of heterologous genes in plants and transgenic fruit with a modified ripening phenotype
The present invention relates to chimeric genes having (i) a DNA sequence encoding a product that is effective to reduce ethylene biosynthesis in fruit from the plant, and (ii) a promoter whose expression is induced during fruit ripening or by ethylene sy...
01/12/1999
5830410Oral collection device and kit
A device for obtaining oral fluid containing substances for testing. In one embodiment, the device includes a syringe having a plunger at the end of which an absorbent pad is attached. A test assembly containing the device is also disclosed....
11/03/1998
5830154Device for collecting substances for testing
A device for collecting substances for testing comprises a vial having a first, generally open end, engageable by a removable closure member, and a second, generally closed end. A removable closure member is provided having first and second ends. The firs...
11/03/1998
5750864Regulated expression of heterologous genes in plants
The use of AdoMetase to reduce ethylene biosynthesis in plants is facilitated by the exploitation of the tissue and stage specific properties of the E4 promoter from tomato. The E4 promoter, isolated from tomato or other plants by methods described herein...
05/12/1998
5736322Synthetic oral fluid standard
A substitute oral fluid standard for testing, calibration, and standardization of devices and methods for collection, storage, and analysis of oral fluids. The oral fluid standard comprises a mucin and a protease inhibitor....
04/07/1998
5723746Reduced ethylene synthesis and delayed fruit ripening in transgenic tomatoes expressing S-adenosylmethionine hydrolase
The use of AdoMetase to reduce ethylene biosynthesis in plants is facilitated by the exploitation of the tissue and stage specific properties of the E8 promoter from tomato. Expression of AdoMetase is shown to be limited to the ripening tomato fruit. The ...
03/03/1998
5714341Saliva assay method and device
An improved method for determining the presence of an analyte in an oral fluid sample. A portion of the sample is mixed or contacted with a chromogenic substrate effective to produce a colored product upon reaction with ଱-amylase present in the samp...
02/03/1998
5573009Oral sample collection method
A device for obtaining oral fluid containing substances for testing. In one embodiment, the device includes a syringe having a plunger at the end of which an absorbent pad is attached. A test assembly containing the device is also disclosed....
11/12/1996
5479937Oral collection device
A device for obtaining oral fluid containing substances for testing. In one embodiment, the device includes a syringe having a plunger at the end of which an absorbent pad is attached. A test assembly containing the device is also disclosed....
01/02/1996
5421121Floral preservative method and composition
Method for extending bloom life of a cut flower by bathing the flower in a solution which contains isoniazid. Also disclosed are compositions for use in the method....
06/06/1995
5366954Floral preservative comprising 5-deoxy-5-ethylthio-D-ribose and method of use
The present invention includes a method of extending bloom life of a cut flower. In the method, a storage solution containing 5-deoxy-5-ethylthio-D-ribose (ETR) is provided, and the stem of the cut flower is bathed in the solution. ETR is safe for human u...
11/22/1994
5339829Oral collection device
A device for obtaining oral fluid containing substances for testing. In one embodiment, the device includes a syringe having a plunger at the end of which an absorbent pad is attached. A test assembly containing the device is also disclosed....
08/23/1994
5335673Oral collection device and method for immunoassay
A method and device for collecting immunoglobulins and other analytes from the oral cavity for immunological and other testing. The device is a treated absorbent pad used to collect a specimen having a high concentration of immunoglobulins or other analyt...
08/09/1994
5326841Germicidal barriers
Disclosed is an elastomeric article comprising the cross-linked, polymerized product of (i) a quaternary ammonium compound having the formula N+ R4 X- wherein at least one of the R groups is unsaturated alkyl and the rema...
07/05/1994
5234001Container for immunoassay with frangible nipple
A container for storing collected substances for subsequent testing having an open upper end adapted to be sealed with a removable stopper and a lower end having an opening communicating the interior of the container with the outside. The opening is selec...
08/10/1993
5232914Solid, storage-stable, germicidal, pre-iodine composition
A solid, storage-stable, germicidal, pre-iodine composition comprises in dry admixture with each other a solid oxy-compound of iodine, a solid reducing agent for the oxy-compound of iodine, and a solid desiccant used in amount sufficient to combine during...
08/03/1993
5112758Treating body fluids for diagnostic testing
A method of reducing the viscosity of a body fluid comprises mixing a body fluid with a cationic quaternary ammonium reagent. The body fluid is a mucopolysaccharide-containing body fluid which will be tested for a metabolite....
05/12/1992
5103836Oral collection device and kit for immunoassay
A method and device for collecting immunoglobulins and other analytes from the oral cavity for immunological and other testing. The device is a treated absorbent pad used to collect a specimen having a high concentration of immunoglobulins or other analyt...
04/14/1992
5073482Elastic barrier permeability testing device and method of use
A device for testing an elastic membrane for permeability ot submicroscopic particles. The device has a first chamber to contain the particles in a fluid medium; a second chamber to contain a reagent for detecting the presence of any of the particles; sui...
12/17/1991
5022409Oral rinse immunoglobulin collection kit for immunoassay and method thereof
The present invention is concerned with collecting immunoglobulins from the oral cavity for immunological testing. A rinse is used to collect a specimen having a high concentration of immunoglobulins. The specimen can be subjected to a basic immunological...
06/11/1991
5017471Reagent for peroxidase detection
A storage-stable, non carcinogenic reagent for peroxidase detection useful in the diagnosis of AIDS and other diseases which comprises an aqueous solution of hydrogen peroxide and a chromogen therefor. Chromogens uniquely suitable for the purpose are: 5 a...
05/21/1991
4917998Method of detecting AIDS virus infection
A method is disclosed for detecting the presence of HTLV III infected cells in a medium. The method comprises contacting the medium with monoclonal antibodies against an antigen produced as a result of the infection and detecting the binding of the antibo...
04/17/1990
4904581Method of detecting AIDS virus infection
A method is disclosed for detecting the presence of HTLV III infected cells in a medium. The method comprises contacting the medium with monoclonal antibodies against an antigen produced as a result of the infection and detecting the binding of the antibo...
02/27/1990
 
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