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Von Pechmann was born in Nürnberg, the only son of a doctor, who was also named Hans.The von Pechmanns had distinguished themselves as soldiers; in 1702, von Pechmann's ancestor Martin Günther von Pechmann, a general of artillery in the Bavarian army, had been raised to the rank of a baron of the Holy Roman Empire by Leopold I. [6]
1898: Synthesis of polyethylene, the most common plastic, by Hans von Pechmann [160] 1898: First synthesis of purine by Emil Fischer. He had also coined the word in 1884. [161] Early 20th century: Schlenk flask by Wilhelm Schlenk [162] 1900s: Haber process by Carl Bosch and Fritz Haber [134] 1902: Ostwald process by Wilhelm Ostwald [163]
High-density polyethylene bottles are introduced; they will replace glass bottles in most applications. [11] 1965: Kevlar is developed at DuPont by Stephanie Kwolek: 1980s: Polyester film stock replaces cellulose acetate for photographic film and computer tapes. 1988: The first polymer bank notes are issued in Australia
Polaris Fashion Place is a two level shopping mall and surrounding retail plaza serving Columbus, Ohio, United States.The mall, owned locally by Washington Prime Group, is located off Interstate 71 on Polaris Parkway in Delaware County just to the north of the boundary between Delaware and Franklin County.
Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.
RiteRug Flooring, formerly Rite Rug, is a flooring retailer headquartered in Columbus, Ohio.RiteRug Flooring's current headquarters, distribution center, wholesale and outlet showroom are located in a 150,000 space in the Whitehall area of the city.
Invisible double-sided tape used to attach hair pieces or to hold delicate fabrics against the skin. Reflective tape High-visibility adhesive tape with retroreflective sheeting. Thread seal tape Polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. Ultra-high-molecular-weight polyethylene tape
Jeg Coughlin Sr. started JEGS Automotive Inc. in 1960 in a garage near downtown Columbus, Ohio because there was no source in the Midwest to obtain high-performance auto parts to modify hot rods. As JEGS became known for their full selection, the "garage" grew into a successful company.
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