Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7335619 | Catalyst for fuel electrode of solid polymer fuel cell There is provided a catalyst for a fuel electrode of a solid polymer fuel cell, wherein the catalyst comprises fine precious metal particles loaded on a support composed of an electrically conductive material, and wherein the weight ratio of the fine precious metal ... | 02/26/2008 |
