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Expanded polystyrene, used for building insulation, packaging, and cup, was invented by Dow Chemical. [1] 1957: Italian firm Montecatini begin large-scale commercial production of isotactic polypropylene. 1960s: High-density polyethylene bottles introduced and soon replace glass bottles in most applications [11] 1965
Otis Ray McIntire (24 August 1918 – 2 February 1996 [1]) was an American inventor and engineer.After graduating from the University of Kansas with a BSc degree in engineering in 1940, he went to work as a research engineer for The Dow Chemical Company. [2]
Polystyrene (PS) / ˌ p ɒ l i ˈ s t aɪ r iː n / is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. [5] Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a poor barrier to air and water vapor and has a relatively low ...
The acquisition was subsequently made Monsanto's Central Research Department. [11]: 340–341 1940s (early) Products: Monsanto becomes one of the world's leading manufacturers in both rubber and plastics (like polystyrene). [7] 1944: Products: Monsanto begins manufacturing DDT. 1945: Products
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
Dow was founded in 1897 by chemist Herbert Henry Dow, who invented a new method of extracting the bromine that was trapped underground in brine at Midland, Michigan. [10] The company originally sold only bleach and potassium bromide , achieving a bleach output of 72 tons a day in 1902. [ 11 ]
Of course it lasted much longer, airing for 13 seasons, spawning several made-for-TV movies and coming back as a reboot from 2012 to 2014. CBS/Courtesy Everett Collection The cast of 'Dallas' in 1980
It was invented by American scientist Joseph Henry in 1831. [64] 1831 Doorbell (electric) A doorbell is a signaling device commonly found near a door. It commonly emits a ringing sound to alert the occupant of the building to a visitor's presence. The electric doorbell was invented by Joseph Henry in 1831. [25] [65] 1833 Sewing machine (lock ...