Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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 |
| 4248965 | Immunochemical process of measuring physiologically active substances Immunochemical measurement by either (1) the reaction of the measurement substance with the insolubilized substance and then the reaction of the reaction product of the first procedure with the labeled substance or (2) the reaction of the measurement subs... | 02/03/1981 |
| 4234680 | Method for terminating a peroxidase catalyzed reaction Addition of a low concentration of an alkali metal metabisulfite completely stops color development in a peroxidase-labeled immunoassay wherein the peroxidase catalyzed reaction comprises oxidation of an achromatic substrate to the corresponding chromatic... | 11/18/1980 |
| 4228237 | Methods for the detection and determination of ligands A method for determining the presence of a ligand in a liquid medium which utilizes enzyme labeled avidin and biotin labeled reagent in a specific binding process wherein the ligand to be detected is contacted with an insoluble phase containing specific b... | 10/14/1980 |
| 4200690 | Immunoassay with membrane immobilized antibody The presence of antigens is detected with a device having an antibody immunochemically reactive with the antigen bound to a first microporous membrane coated with an inert proteinaceous material and an antibody immunochemically non-reactive with the antig... | 04/29/1980 |
| 4185084 | Immunochemical measuring method using second antigenic substance An immunochemical measuring method using a second antigenic substance and a labeled antibody to the second antigenic substance. An unknown amount of an antigen (Ag 1) to be measured and a given amount of a conjugate (Ag 1-Ag 2) coupled a second antigen (Ag 2) ... | 01/22/1980 |
| 4168146 | Immunoassay with test strip having antibodies bound thereto A test strip for carrying out immunoassays. The test strip is a bibulous carrier to which antibodies are bound. The immunoassay is carried out by wetting the test strip with the aqueous solution containing a suspected antigen. The test strip is then conta... | 09/18/1979 |
| 4133639 | Test article including a covalently attached diagnostic reagent and method A body suitable for use in the quantitative detection of an unknown quantity of a biologically derived sample suitably by radioimmunoassay, fluorometric detection, or by spectrophotometry. The body includes a handle attached to a nonparticulate, nonswella... | 01/09/1979 |
| 4016043 | Enzymatic immunological method for the determination of antigens and antibodies The present invention relates to improvements in the sandwich technique for the determination of a component of an antigen-antibody reaction in a liquid sample to be tested, utilizing as reagents (a) one component of said reaction bound to the surface of ... | 04/05/1977 |
