Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 6441199 | Process for the production of -tocopherol acetate by condensation of trimethylhydroquinone with isophytol with recycling of an acetic catalyst solution A process for the production of -tocopherol acetate in a recirculating process by condensation of trimethylhydroquinone and isophytol in the presence of a catalyst system of a zinc halide and an aqueous protonic acid and, optionally, an elemental m... | 08/27/2002 |
