Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7285186 | Transverse-flow catalytic reactor for conversion of waste plastic material and scrap rubber A process for converting organic waste into reusable hydrocarbons and a system for doing so, the system including a feeding mechanism for the waste, a reactor and a residue-disposing mechanism. The waste is to be fed into the reactor in which a molten lead bath is c... | 10/23/2007 |
| 6949172 | Arrangement enabling a liquid to flow evenly around a surface of a sample and use of said arrangement The invention relates to an arrangement enabling a liquid (2) to flow evenly around a surface of a sample (3); said arrangement has a flow chamber (1) through which a liquid (2) flows via inflow and outflow pipes (7, 8). The sample... | 09/27/2005 |
| 6017214 | Interlocking floor brick for non-recovery coke oven An improved non-recovery coke oven floor constructed of a single layer of refractory bricks including, for each oven sole flue, a pair of trunnion bricks and a center bridge brick spanning the width of the flue, having lower brick surfaces in the form of ... | 01/25/2000 |
| 4564420 | Coke oven battery Coking chambers in a coke oven battery are disposed in an alternate relationship with heating flues. At the top of each coking chamber there is a top arch having an inner-arched surface defined by a segment of a circle whose diameter is greater than the i... | 01/14/1986 |
