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.
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| Number | Title | Issue Date |
| 4729961 | Process for the detection and assay by erythroadsorption A process for the detection and assay of a biological substance by erythroadsorption by immobilizing a substance having a binding affinity for the biological substance to be assayed; incubating the immobilized substance with a liquid medium containing the... | 03/08/1988 |
| 4592998 | Process for coupling biological substances by covalent bonds This process involves the use of benzoquinone as cross-linking agent in large excess compared with the substance to be activated. The activation reaction is realized in a homogeneous liquid medium. Said process making it possible for example to couple ant... | 06/03/1986 |
| 4526871 | Conjugate obtained by coupling a lectin and a specific ligand, containing such a conjugate and its applications in biology The present invention relates to a conjugate of a specific ligand and a lectin, by covalent bonding. The product of the invention may, for example, be the conjugate of Concanavalin A and an antigen, a hapten, an antibody, a hormone or its receptor, an enz... | 07/02/1985 |
| 4464468 | Immobilization of active protein by cross-linking to inactive protein A solution of an active protein substance and an inactive protein substance is reacted with a cross-linking agent, optionally in the presence of an inert carrier, under cross-linking conditions to produce articles comprising both active and inactive prote... | 08/07/1984 |
| 4241176 | Magnetic gel suitable to immunoenzymatic determinations The invention relates to a magnetic gel which is useful for immunoezymatic determinations. Said gel consisting, for example, of polyacrylamideagarose and magnetic particles, coupled with an antibody, can be used for rapid determinations of the antigens co... | 12/23/1980 |
| 4193982 | Process for coupling biological substances by covalent bonds A process for coupling biological substances by covalent bonds that involves the use of benzoquinone as cross-linking agent in large excess compared with the substance to be activated. The activation reaction is realized in a homogeneous liquid medium. Th... | 03/18/1980 |
| 4004979 | Preparation of active proteins cross-linked to inactive proteins Articles containing active proteins, such as enzymes, crosslinked to an inactive protein are prepared by dispersing and reacting in a solvent an active protein and an inactive protein simultaneously with a crosslinking agent to crosslink the active and in... | 01/25/1977 |
