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 |
| 7906078 | Adsorbent of latent-heat storage type for canister and process for producing the same The present invention provides a latent-heat storage type adsorbent composition for canisters that can effectively prevent changing in temperature due to the heat of absorption/desorption and has a high butane working capacity; a process for producing the adsorbent;... | 03/15/2011 |
| 7323041 | Gas storage canister A gas storage canister for use in an automotive vehicle, includes a case having first and second end sections which are opposite to each other in a direction of flow of gas. The first end section has a gas inflow port and a gas outflow port. The second end section h... | 01/29/2008 |
| 7309381 | Gas storage canister A vapor storage canister used to treat fuel vapor of an automotive internal combustion engine. The vapor storage canister includes a casing. A granular formed heat accumulative material is disposed in the casing and includes a powdered heat accumulative agent formed... | 12/18/2007 |