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Nathaniel C. Wyeth (October 24, 1911 – July 4, 1990) was an American mechanical engineer and inventor. He is best known for creating a variant of polyethylene terephthalate that could withstand the pressure of carbonated liquids .
Plastic bottles made from PET are widely used for soft drinks, both still and sparkling. For beverages that are degraded by oxygen, such as beer, a multilayer structure is used. PET sandwiches an additional polyvinyl alcohol (PVOH) or polyamide (PA) layer to further reduce its oxygen permeability.
Nathaniel Wyeth (inventor) (1911–1990), inventor of the recyclable PET plastic bottle Nathaniel Jarvis Wyeth (1802–1856), developer of the US ice industry Topics referred to by the same term
Wyeth was born in Cambridge, Massachusetts, to Jacob and Elizabeth (Jarvis) [1] Wyeth. He married Elizabeth Jarvis Stone on January 29, 1824. He began his working career in the 1820s by acting as foreman for a company that harvested ice from Fresh Pond in Cambridge, and thus helping Boston's "Ice King" Frederic Tudor to establish New England's ice trade with the Caribbean, Europe, and India.
An early example of plastic bicycle wheels, using fibreglass reinforced Zytel, were Skyway "Tuff Wheels" for BMX bicycles. In this role, any weight penalty was adequately compensated by durability and impact resistance. Former American 200m and 400m sprinter Michael Johnson used shoes made of Zytel at the Atlanta Olympics.
Wyeth abandoned the post in 1836 and the following year, leased it to the Hudson’s Bay Company. [1] [4] After Wyeth left the Pacific Northwest, John McLoughlin, the Chief Factor at Fort Vancouver, ordered Fort William demolished and a dairy farm built on the island. [5] Wyeth also sold Fort Hall in present-day Idaho to the HBC the following year.
The PPE blends are characterized by hot water resistance with low water absorption, high impact strength, halogen-free fire protection and low density. This plastic is processed by injection molding or extrusion; depending on the type, the processing temperature is 260–300 °C. The surface can be printed, hot-stamped, painted or metallized.
The Tubex Syringe cartridge was developed c. 1943 during World War II by the Wyeth company. It is a drug pre-filled glass cartridge syringe with an attached sterile needle, which is inserted in a reusable stainless steel holder (now plastic). The product was manufactured for immediate injection once the pre-filled cartridge was attached to the ...