Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 4781926 | Transdermal therapeutic composition Transdermal dosage compositions are prepared from hydrated poly(vinyl alcohol) gels and pharmacologically active substances without any chemicals such as crosslinking agents and catalysts. Heating process is not involved in the gel preparation. High water... | 11/01/1988 |
| 4663358 | Porous and transparent poly(vinyl alcohol) gel and method of manufacturing the same A porous and transparent hydrated gel is prepared from a poly(vinyl alcohol) solution in a mixed solvent consisting of water and an water-miscible organic solvent. Upon cooling the poly(vinyl alcohol) solution below room temperature, a gel is formed as a ... | 05/05/1987 |
