Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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.
| Number | Title | Issue Date |
| 7410768 | Test methods and devices A method and test device for differentiating between states of an analyte that can exist in different forms, such as follicle stimulating hormone (FSH). The method or test device uses a pair of specific binding agents, especially monoclonal antibodies, in two assays... | 08/12/2008 |
| 7410807 | Pregnancy and sex identification test based on saliva or other bodily fluids A method of testing an animal for pregnancy or sex identification comprising the steps of first, providing a first vessel containing a liquid and having a removable surface wherein said removable surface is at least partially coated with an antibody and then introdu... | 08/12/2008 |
| 7344893 | Immuno-gold lateral flow assay A chromatographic lateral-flow assay system for rapid, high sensitivity method of detecting low levels of ligands in body fluids, with few false positives and few false negatives. The lateral-flow assay may have a membrane strip in ribbon form, which increases detec... | 03/18/2008 |
| 7285391 | Methods for predicting pregnancy outcome in a subject by hCG assay The present invention provides a method of predicting pregnancy outcome in a subject by determining the amount of an early pregnancy associated molecular isoform of hCG in a sample. The present invention further provides a method for determining the amount of early ... | 10/23/2007 |
| 7238537 | Assays An analytical test device incorporating a dry porous carrier to which a liquid sample, eg. urine, suspected of containing an analyte such as HCG or LH can be applied indirectly, the device also incorporating a labelled specific binding reagent which is freely mobile... | 07/03/2007 |
| 7238538 | Chromatographic assay device and methods A chromatographic assay device for the analysis of an analyte in a liquid sample has a proximal sample application zone and a distal test zone. The test zone contains a first ligand capable of binding with the analyte to form an analyte-ligand complex. The device al... | 07/03/2007 |
| 7192786 | Biospecific assay method This invention relates to a biospecific assay method, in which microparticles coated with the bioaffinity reactant A binding the analyte to be assayed; the sample to be analyzed, and the labelled bioaffinity reactant B are mixed. After the binding reaction the signa... | 03/20/2007 |
| 7179640 | Method and apparatus for detecting conception in animals The present invention provides antibodies which specifically bind early conception factor, which can be found in body fluids of animals including but not limited to the cow, cat, dog, horse, human, sheep, and pig. The invention provides methods for detecting concept... | 02/20/2007 |
| 7115718 | Haptens, immunogens, antibodies and conjugates to 2-oxo-3-hydroxy-LSD The invention provides a hapten derivatized with a crosslinker at the nitrogen of the 8β-carboxamide of 2-oxo-3-hydroxy LSD. The invention also provides an immunogen comprising the aforementioned hapten coupled to an antigenicity-conferring carrier material; a conj... | 10/03/2006 |
| 7109042 | Assays An analytical test device useful for example in pregnancy testing, comprises a hollow casing (500) constructed of moisture-impervious solid material, such as plastics materials, containing a dry porous carrier (510) which communicates indirectly with t... | 09/19/2006 |
| 6960445 | Determination of endometrial receptivity toward embryo implantation Methods of diagnosing infertility in a mammal that include detecting the presence and level of a β3 integrin subunit in an endometrium sample of a mammal at a plurality of stages of the endometrial cycle and correlating delayed appearance or a reduced le... | 11/01/2005 |
| 6927034 | Methods for detecting trophoblast malignancy by HCG assay The present invention provides a method of predicting pregnancy outcome in a subject by determining the amount of an early pregnancy associated molecular isoform of hCG in a sample. The present invention further provides a method for determining the amount of early ... | 08/09/2005 |
| RE38688 | Sheet-like diagnostic device A solid diagnostic device for the quantitative determination of substances of biological affinity in biological fluids is described. A process is also described in which the biological fluid is brought into contact with a specific functional sector of the device, th... | 01/18/2005 |
| 6818455 | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents An analytical test device useful for example in pregnancy testing, comprises a hollow casing (500) constructed of moisture-impervious solid material, such as; plastics materials, containing a dry porous carrier (510) which communicates indirectly with ... | 11/16/2004 |
| 6787324 | Method and apparatus for detecting conception in animals The present invention provides antibodies which specifically bind early conception factor, which can be found in body fluids of animals including but not limited to the cow, cat, dog, horse, human, sheep, and pig. The invention provides methods for detecting concept... | 09/07/2004 |
| 6733979 | Determination of endometrial receptivity toward embryo implantation Methods for detecting receptivity of mammalian endometrium to embryo implantation comprising obtaining a sample of the endometrium, contacting the endometrium with a monoclonal antibody for β3 and detecting β3 in the endometrium. The inventio... | 05/11/2004 |
| 6677123 | Process for detecting increased risk of fetal chromosomal abnormality An increased risk of a fetal chromosomal abnormality, for example, fetal Down syndrome can be detected by separating or discriminating -fetoproteins present in the body fluid of a pregnant woman, and measuring the proportion of one or more of the &... | 01/13/2004 |
| 6656744 | One-step lateral flow assays The efficiency and accuracy of one-step lateral flow assays can be improved by employing more efficient binding between participants in labeling and capture. Thus, in addition to analyte/anti-analyte interactions, specific binding is achieved through memb... | 12/02/2003 |
| 6602676 | Testing method This invention relates to a method of predicting pregnancy, particularly, in a cow, the method comprising taking a milk sample from the cow in which a milk progesterone concentration of >3 ng ml-1 by Day 4 post insemination is indicative that t... | 08/05/2003 |
| 6573103 | Antenatal screening for Down's syndrome A method of screening for fetal Down's syndrome is described. Screening marker levels are measured. These may be measurements of a biochemical marker in a maternal sample or measurements of a marker from an ultrasound scan. The marker levels are used to c... | 06/03/2003 |
| 6558911 | Sperm quality assay The present invention relates to male infertility, and in particular to assays for predicting fertility in animals including human and bovines. In some embodiments, semen samples are evaluated by measuring the amount of ubiquitin in the sample, and in par... | 05/06/2003 |
| 6555390 | Chromatographic assay or test device A chromatographic assay or test device for detection and/or determination of an analyte in a test sample, comprises a base member, and a chromatographic medium located in or on said base member, the base member being provided with a receptacle to receive ... | 04/29/2003 |
| 6548309 | Procedure for assay of liquids containing undissolved solids, semisolids or colloids In qualitative or quantitative assays which employ a test device comprising a test strip pretreated for detection of a specified target analyte dissolved in a liquid medium, the presence of solid, semisolid and/or colloidal materials in the liquid medium ... | 04/15/2003 |
| 6500629 | Materials and methods for detection and quantitation of an analyte The subject invention pertains to methods and materials for accurately assessing the presence or absence of analytes of interest in samples, particularly in physiological samples. The subject invention involves utilizing a ligand binding domain (LBD) of a... | 12/31/2002 |
| 6500627 | Methods for predicting pregnancy outcome in a subject by HCG assay The present invention provides a method of predicting pregnancy outcome in a subject by determining the amount of an early pregnancy associated molecular isoform of hCG in a sample. The present invention further provides a method for determining the amoun... | 12/31/2002 |
| 6492178 | Methods of determining an increased risk of a woman carrying a downs syndrome affected fetus by measuring an analyte in a biological sample There are provided methods for assaying biological specimens for one or more of leptin, prorenin or renin in order to provide predictive information about the likelihood of a woman carrying a Downs Syndrome affected fetus.... | 12/10/2002 |
| 6485982 | Test device and method for colored particle immunoassay Disclosed is a test cell and a method for detection of a preselected ligand in a liquid sample such as a body fluid. The test cell includes an elongate outer casing which houses an interior permeable material capable of transporting an aqueous solution an... | 11/26/2002 |
| 6448022 | Protein with human choriogonadotropin inhibitory effect A substance having an inhibitory effect on the production of human choriogonadotropin (hCG) is described, which comprises a protein isolated from human decidual cells with a preliminary amino acid analysis and a molecular weight of about 7,000 to about 10... | 09/10/2002 |
| 6436649 | Method for detecting and/or quantifying a hapten in a homogeneous phase and device for implementation thereof The invention discloses a method for detecting and/or quantifying a hapten in a homogeneous phase, comprising the following steps: adding a known quantity of a hapten inhibitor complex to the solution containing the hapten to be detected and/or quantified... | 08/20/2002 |
| 6429018 | Prenatal screening for Down's syndrome using hyperglycosylated gonadotropin A prenatal screening method for Down's syndrome involves assaying for hyperglycosylated gonadotropin in biological test samples such as urine, plasma or serum obtained from pregnant women. Hyperglycosylated gonadotropin comprises a variant population of c... | 08/06/2002 |
| 6420182 | Prenatal gender prediction test The present invention provides a gender-indicating composition, and a method and kit for determining the gender of an unborn child. The gender-indicating composition includes thymol blue and can be in solid or solution form. The method of the invention in... | 07/16/2002 |
| 6399398 | Assay device An assay device comprises a sample-collecting wick made from non-woven fabric material laminated to plastics sheet. Preferably, the fabric is a 30:70 blend of viscose and polyester, and has a fibrous structure in which more than two thirds of the fibers r... | 06/04/2002 |
| 6394952 | Point of care diagnostic systems Systems and methods for medical diagnosis or risk assessment for a patient are provided. These systems and methods are designed to be employed at the point of care, such as in emergency rooms and operating rooms, or in any situation in which a rapid and a... | 05/28/2002 |
| 6368876 | One step immunochromatographic device and method of use This invention relates to a lateral flow immunochromatographic assay device without a plastic housing. The assay includes a sample receiving region, analyte detection region and end region all made of porous material and capable of lateral flow. The analy... | 04/09/2002 |
| 6352862 | Analytical test device for imuno assays and methods of using same An analytical test device incorporating a dry porous carrier to which a liquid sample, eg. urine, suspected of containing an analyte such as HCG or LH can be applied indirectly, the device also incorporating a labelled specific binding reagent which is fr... | 03/05/2002 |
| 6350579 | Extended dynamic range assays A method and compositions for the detection and/or quantification of an analyte through the use of a plurality of labeled probes, with two or more said probes targeted to different regions of said analyte. In specific embodiments, the labels are separatel... | 02/26/2002 |
| 6300082 | Method and apparatus for measurement of the effect of test compounds on signal transduction at the level of biological receptors A method and apparatus for measuring binding between a plurality of molecules of a biological receptor protein and a plurality of molecules of a type which binds to said biological receptor is presented. Apparatus utilizes a sensor possessing a waveguide ... | 10/09/2001 |
| 6267722 | Point of care diagnostic systems Systems and methods for medical diagnosis or risk assessment for a patient are provided. These systems and methods are designed to be employed at the point of care, such as in emergency rooms and operating rooms, or in any situation in which a rapid and a... | 07/31/2001 |
| 6251688 | Method and apparatus for measurement of binding between a protein and a nucleotide A method and apparatus for measuring binding between a plurality of molecules of a first type and a plurality of molecules of a second type is presented. Apparatus utilizes a sensor possessing a waveguide to which have been attached in close proximity to ... | 06/26/2001 |
| 6228660 | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents An analytical test device useful for example in pregnancy testing, comprises a hollow casing (500) constructed of moisture-impervious solid material, such as plastics materials, containing a dry porous carrier (510) which communicates indirectly with the ... | 05/08/2001 |
