U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."

Sir William Preece, chief engineer, British Post Office ; 1878

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Saunders, David


Primary examiner statistics: 1001 patents; average approval time: 1001 days
Assistant examiner statistics: 118 patents; average approval time: 1116 days

Patents as Assistant Examiner


1      
NumberTitleIssue Date
5240844Test kit for determining the presence of organic materials and method of utilizing same
A test card incorporates a colorimetric indicator test to determine the presence of a minute amount of a specific substance in a liquid medium. The test card includes top and bottom sheets adhesively secured to an intermediate frame member which, together...
08/31/1993
5006459Therapeutic and diagnostic methods using soluble T cell surface molecules
The present invention is directed to the measurement of soluble T cell growth factor receptors, soluble T cell differentiation antigens, or related soluble molecules or fragments thereof, and the use of such measurements in the diagnosis and therapy of di...
04/09/1991
4983530Sandwich immunoassay for determination of total monoclonal IGG
A sandwich immunoassay for determining total monoclonal IgG content in samples of purified IgG, cell culture medium and ascites fluid is provided based on the utilization of anti-light-chain IgG antibodies as both capture and label antibodies....
01/08/1991
4980299Carrier for coating with immunologically-active material
The present invention provides a carrier for coating with immunologically-active material, wherein it consists of an injection molded synthetic resin with a content of adjuvant and additional materials of less than 1% by weight. The present invention also...
12/25/1990
4978625Fluorescence immunoassay using water insoluble dyes
In a method for fluorescence immunoassay of an analyte, an antianalyte attached to the surface of a solid support is contacted with the analyte and a tracer which includes a substantially water insoluble fluorescent dye occluded in the nonaqueous portion ...
12/18/1990
4977079Method for the determination of anti-P. falciparum sporozoite antibodies in human blood
An immunoenzimatic method is disclosed for the detection and the measurement of anti-P. falciparum sporzoite antibodies in human blood and/or in its derivatives, which operates with a synthetic antigen-enzyme conjugate capable of forming with the antispor...
12/11/1990
4975367Catalytic test composition intended to produce a range of colors
Test compositions, indicators, and test device are provided which are capable of generating different hues at different analyte concentrations. The compositions are capable of generating a yellow hue in situ. Visual tests for clinically important analytes...
12/04/1990
4971916Liposome based homogeneous immunoassay for diagnostic tests
The present invention provides for novel homogeneous immunoassay systems involving complement-mediated lysis of marker-encapsulating lipid vesicles (liposomes) for detection of analyte in a fluid sample. These systems do not require the separation of unbo...
11/20/1990
4971905Diagnosis of cancerous or precancerous conditions in human secretory epithelia by enzyme activity of ଲ-1-3N-acetylglucosaminyltransferase
A method for diagnostic or prognostic monitoring of premalignant or malignant conditions of human secretory epithelia, particularly colonic epithelia, by determining the extent of expression of a 댡-3N-acetylglucosaminyltransferase is described. Ass...
11/20/1990
4965069Oxidized viruses or viral antigens and utilization for diagnostic prophylactic and/or therapeutic applications
Novel and improved methods for diagnosis, prognosis, prophylaxis and therapy of viral infections are described. The novel methods employ a virus, viral antigen or fragment thereof in which "perturbation" of an oligosaccharide moiety renders the virus, vir...
10/23/1990
4963468Immunoseparating strip
A method and device for determining the presence of an analyte in a sample suspected of containing the analyte is disclosed. The method involves contacting a test solution containing the sample, an antibody for the analyte, and a conjugate of the analyte ...
10/16/1990
4963478Article for preforming immunological assays utilizing organic dyes and method for producing and utilizing same
An article for performing solid-phase immunological assays and method for performing assays utilizing the article of the invention. A solid-phase support suitable for immunological assays is stained with an organic dye that has a net-positive charge and a...
10/16/1990
4960691Chromatographic test strip for determining ligands or receptors
A test strip for analysis of analytes such as antigens, antibodies or polynucleotides employs a chromatographic medium and a solvent capable of transporting reagents and/or sample. Reagents are selected and disposed on the medium such that a labeled (firs...
10/02/1990
4960693System of reactants involving an apo-enzyme useful in immunological analysis and a method for carrying out immuoassays with this system
A quick and simple immunoassay technique applicable to the determination of large molecules like proteins, polynucleotides and others involves labelling competitive immunospecies with an enzyme as signal generator. This enzyme can be converted to the corr...
10/02/1990
4959308Immunoassay for antibodies binding platelets
The present invention involves a method for producing a substrate useful in a system for the detection of antibodies directed against platelet antigens. This method comprises several steps. A platelet sample of interest is initially treated with an aqueou...
09/25/1990
4959302Method of evaluating immune system response to allografts, viral infection and immunosuppressive therapy
Detection of solublen Interleukin-2 (IL-2) and Interleukin-2 receptor (IL-2R) levels in the serum, plasma, urine and bile of kidney and liver transplant patients using sensitive immunoassays provides valuable prognostic, monitoring and diagnostic informat...
09/25/1990
4959307Immunoseparating strip
A method and device for determining the presence of an analyte in a sample suspected of containing the analyte are disclosed. The method involves contacting a test solution containing the sample, an antibody for the analyte, and a conjugate of the analyte...
09/25/1990
4957735Target-sensitive immunoliposomes- preparation and characterization
Novel target-sensitive immunoliposomes were prepared and characterized. In this invention, target specific binding of antibody-coated liposomes was sufficient to induce bilayer destabilization, resulting in a site-specific release of liposome contents. Un...
09/18/1990
4950589Genus-specific listeria antigen identified by monoclonal antibodies
Antigens characteristic of all species of Listeria except L. denitrificans comprising proteins found in Listeria heat extracts, the major antigen having a molecular weight of from about 30 to about 38KD and comprising three immunogenically different epito...
08/21/1990
4945039Standard materials for measurement of immune complexes and method for measurement of immune complexes
A standard material for measuring immune complexes which is prepared by chemically binding immunoglobulin and/or its fragment with a complement and/or its derivative through the medium of a bifunctional reagent. By using the standard material, the standar...
07/31/1990
4940670Method for compounding and testing patient specific monoclonal antibodies and monoclonal antibody fragments for in vivo use
A kit for compounding radiolabeled monoclonal antibodies or antibody fragments for in vivo cancer diagnosis and therapy, which provides reagents for: (1) the selection of monoclonal antibodies or antibody fragments which are specific to a tumor specimen; ...
07/10/1990
4935344Method for characterizing types of renal carcinoma and prognosis
Antigenic profiles of renal carcinoma specimans developed with panels of monoclonal antibodies derived from several different tissues serve as useful clinical indicators for cancer type, cancer subset as well as histiogenesis and prognosis indicators....
06/19/1990
4935339Delayed solid phase immunologic assay
A method for the determination of a substance present in a sample, which comprises: (a) contacting a sample containing a substance with: (i) a first immunological binding partner to the substance, wherein the first immunological binding partner is a monoclonal...
06/19/1990
4923813Monoclonal antibody-based immunoassay for cyclic DNA adducts resulting from exposure to crotonaldehyde or acrolein
Monoclonal antibodies specific for the 8R,6R- and 8S,6S-stereoisomers of 3-(2-deoxy-ଲ-D-erythropentofuransyl)-5,6,7,8-tetrahydro-8-hydroxy-6-m ethylpyrimido[1,2-a]purine-10(3H)one were produced. These cyclic 1,N2 -propanodeoxyguanosines ar...
05/08/1990
4918004Method of calibrating a flow cytometer or fluorescence microscope for quantitating binding antibodies on a selected sample, and microbead calibration kit therefor
A method for calibrating a flow cytometer or fluorescence microscope in terms of number of binding antibodies as a function of fluorescence intensity value measured on the flow cytometer or fluorescence microscope, and subsequent measuring of a sample to ...
04/17/1990
4914022Method for preparing multiple tissue samples for microscopic investigation and testing
A flexible, efficient and rapid method is shown whereby many different tissues samples may be stained or reacted and examined simultaneously, on one standard glass slide. This method is based on the preparation of "cores" of paraffin embedded tissue from ...
04/03/1990
4900659Nucleotide sequence composition and method for detection of Neisseria gonorrhoeae and method for screening for a nucleotide sequence that is specific for a genetically distinct group
This invention relates to specific discrete nucleotide sequences. More precisely, this invention relates to a composition comprising discrete nucleotide sequences that are specific for Neisseria gonorrhoeae, as defined hereinbelow, i.e. the compositions o...
02/13/1990
4900663Test kit for determining the presence of organic materials and method of utilizing same
A test card incorporates a colorimetric indicator test to determine the presence of a minute amount of a specific substance in a liquid medium. The test card includes top and bottom sheets adhesively secured to an intermediate frame member which, together...
02/13/1990
4898813Catalytic test composition intended to produce a range of colors
Test compositions and test devices are provided which are capable of generating different hues at different analyte concentrations. Visual results for clinically important analytes, such as glucose and cholesterol, are provided by use of compositions cont...
02/06/1990
4895796Identification of NK cells and cytotoxic T lymphocytes
A method for distinguishing between NK cells and T lymphocytes is provided, which comprises contacting a sample containing lymphocytes with a first reagent comprising anti-CD3 and a first detectable label and a second reagent comprising a mixture of anti-...
01/23/1990
4894326Monoclonal antibody defining oncofetal structure of fibronectin
Antibody defining structure present in fibronectins from tumors and fetal tissues but absent in fibronectins from normal adult tissues and plasma; useful for diagnosing and treating human cancers....
01/16/1990
4894329Method of assaying the bioactivity of a thymic extract
A method of assaying the bioactivity of a thymic extract is disclosed. The disclosed method measures the chemiluminescence of macrophage derived from an immune-deficient mouse after stimulation with the sample thymic extract, phagocytic stimulator, and lu...
01/16/1990
4889815Nephelometric method for determination of an antigen or antibody content in whole blood
A method and apparatus for use in quantifying, in a whole blood sample in which the red cells are lysed, a component which will react with a reagent to form an antigen-antibody complex, the method comprising mixing the sample with the reagent to obtain th...
12/26/1989
4888275Diagnosing and monitoring cancer
This invention relates to the use of a specific carcinoma associated antigen/hapten of carbohydrate nature, fucosylsialosylgangliotetraose-IV2 -Fuc଱-II3 NeuAc଱-GgOse4 (Lipid Document, 1977) and defined derivati...
12/19/1989
4885256Monoclonal antibodies to cholesterol and methods
Monoclonal antibodies which demonstrate specific reactivity to cholesterol and methods for the detection of high levels of cholesterol by contacting biological specimens containing cholesterol with the monoclonal antibodies and measuring the formation of ...
12/05/1989
4883751Specific immunoassay for heparin
Disclosed herein are assays for measuring the amount of heparin present in a biological sample. The assays use a positively charged polycarbodiimide heparin-inhibitor compound and antibodies which recognize heparin when bound to the carbodiimide inhibitor...
11/28/1989
4880750Individual-specific antibody identification methods
An identification method, applicable to the identification of animals or inanimate objects, is described. The method takes advantage of a hithertofore unknown set of individual-specific, or IS antibodies, that are part of the unique antibody repertoire pr...
11/14/1989
4876189Process for the quantification of cell populations or subpopulations and a reagent suitable therefor
A process for quantification of cell populations or subpopulations, by incubating a sample with labelled antibodies directed against characteristic surface antigens of the cell population to be quantified to form labelled antibody/antigen complexes. Stand...
10/24/1989
4870006Antigenic material for a chagas' disease detection system
T. Cruzi polypeptide antigens that react with serum from chagasic individuals and does not cross-react with serum from uninfected individuals or individuals infected with related parasites such as Leishmania is described. The DNA from T. Cruzi culture try...
09/26/1989
4868106Analytical element and method for determining a component in a test sample
Disclosed are an analytical element for determining a specific component A in a test sample, based on the specific reaction between said specific component A and a substance B capable of binding specifically to said specific component A, by the use of a l...
09/19/1989
1      
 
Sign InRegister
Username  
Password   
forgot password?