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DuPont de Nemours, Inc., commonly shortened to DuPont, is an American multinational chemical company first formed in 1802 by French-American chemist and industrialist Éleuthère Irénée du Pont de Nemours. The company played a major role in the development of the U.S. state of Delaware and first arose as a major supplier of gunpowder.
Crown ether coordinating a potassium ion. Charles John Pedersen (Japanese: 安井 良男, Yasui Yoshio, October 3, 1904 – October 26, 1989) was an American organic chemist best known for discovering crown ethers and describing methods of synthesizing them during his entire 42-year career as a chemist for DuPont at DuPont Experimental Station in Wilmington, Delaware, and at DuPont's Jackson ...
August 2000 In his research in preparation for the court case, Bilott found an article mentioning the "little-known substance"—a surfactant— called perfluorooctanoic acid (PFOA) or C8—had been found in DuPont's Dry Run Creek, adjacent to Tennant farm, and Bilott requested "more information on the chemical". This concerned DuPont's lawyer ...
Through later mergers the company became DuPont Performance Coatings (DPC), part of the American DuPont chemical empire, and was rebranded as Axalta Coating Systems after being purchased by The Carlyle Group in 2013. Axalta went public on the New York Stock Exchange in November 2014 and since then has become fully independent. Carlyle Group ...
That bunker housed a shooting range that was used to test DuPont powders and other explosives. In later years, it housed a golf ball cannon and high speed photography equipment to measure the Coefficient of Restitution of golf balls made with various DuPont elastomers. Building 256. Surlyn ionomeric resins. Teflon FEP Fluorinated ethylene propylene
Chemical Week called him, "one of the nation's top achievers in the dual role of scientist and scientific manager," though such managers remained common in CRD through the 1960s and 70s. Fermentation microbiology and selective genetic modification became important to the CRD development of a biological route to 1,3-propylene glycol a new ...
Perfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock.
The Great Pyramid of Giza [a] is the largest Egyptian pyramid.It served as the tomb of pharaoh Khufu, who ruled during the Fourth Dynasty of the Old Kingdom.Built c. 2600 BC, [3] over a period of about 26 years, [4] the pyramid is the oldest of the Seven Wonders of the Ancient World, and the only wonder that has remained largely intact.