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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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| Application No. | Application Title | Issue Date |
| 20100066296 | METHOD FOR ADAPTING CONTROLLER PARAMETERS OF A DRIVE TO DIFFERENT OPERATING STATES A method is provided for adapting controller parameters of a drive to different operating states. A control loop includes a PID controller whose I gain factor is adapted to a drive velocity and/or whose D gain factor is adapted to a drive current, and consequently to a ... | 03/18/2010 |
