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 |
| 5071928 | Process for polymerizing ethylene and copolymerizing ethylene with alpha-olefins and relevant catalyst Ethylene homopolymers and ethylene copolymers with alpha-(C3 -C10)-olefins are obtained by polymerizing the monomers with a polymerization catalyst formed by: a) an alkyl-aluminum; and b) a modified solid catalyst component obtained by tr... | 12/10/1991 |
| 5070051 | Catalyst component and catalyst for the production of very high molecular weight polyolefins A solid catalyst component for the low-pressure polymerization of ethylene and C3 -C10 alpha-olefins into very high molecular weight polyolefins is in the form of a spherical granular solid having a surface area of between 20 and 40 ... | 12/03/1991 |
