The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 4381004 | Extracorporeal system for treatment of infectious and parasitic diseases An extracorporeal method is provided for the treatment of a disease caused by pathogenic microorganisms in the bloodstream in which blood is withdrawn from a patient and at least a fraction thereof is treated with a microorganism inactivator. Then, the in... | 04/26/1983 |
| 4329986 | Treatment of an extracorporeal stream of blood with a dialyzable chemotherapeutic and a fluorescable tracer A therapeutic composition suitable for extracorporeal treatment of whole blood comprises a dialyzable chemotherapeutic agent and a dialyzable fluorescable tracer means. The removal rate of the fluorescable tracer compound from treated blood during hemodia... | 05/18/1982 |
| 4316466 | Body fluid drainage device An apparatus is provided suitable for use in draining liquid from inside the human body. The apparatus incorporates two reciprocating pumps and a pair of inlet and outlet valves driven by a common linkage system. One pump draws fluid from a reservoir of a... | 02/23/1982 |
| 4311589 | Toroidal flow blood reactor A reactor suitable for extracorporeal treatment of blood includes a conduit defining within itself a passage of generally circular cross section and wound in a plurality of concentric helices so as to generate a transverse double toroidal secondary fluid ... | 01/19/1982 |