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R-410A was invented and patented by Allied Signal (later Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
Pentafluoroethane in a near azeotropic mixture with difluoromethane is known as R-410A, a common replacement for various chlorofluorocarbons (commonly known as Freon) in new refrigerant systems. Fire suppression systems
Eclipse is an American cigarette brand that was developed and marketed by R.J. Reynolds Tobacco. [1] It heats the tobacco instead of burning it by using a carbon tip wrapped in glass fibers . [ 1 ] In 2014 they were still in production, and one of the remaining choices allowed to be smoked in the offices of R.J. Reynolds facilities after the ...
Fire-safe cigarettes are produced by adding two to three thin bands of less-porous cigarette paper along the length of the cigarette, creating a series of harder-to-burn “speed bumps”. [1] As the cigarette burns down, it will tend to be extinguished at each of these points unless the user is periodically intensifying the flame by inhaling. [1]
Viceroy was introduced by Brown & Williamson in 1936 and was the world's first cork-tipped filter cigarette. [1] It was a mid-priced brand at the time, equivalent to B&W's Raleigh cigarettes flagship brand, but more expensive than Wings cigarettes introduced by B&W in 1929.
An old pack of Kent Ultras from South Africa. Widely recognized by many as the first popular filtered cigarette, Kent was introduced by the Lorillard Tobacco Company in 1952 [3] around the same time a series of articles entitled "cancer by the carton", published by Reader's Digest, [4] scared American consumers into seeking out a filter brand at a time when most brands were filterless.
[5] The cigarette, when first introduced, was full flavored. It was later available in a reduced tar and nicotine version during the 1970s and 1980s. True cigarettes, like Parliament cigarettes, have a recessed filter. However, whereas Parliaments have nothing in the recessed space, Trues have a plastic piece (round with a triangle in the ...
Craven A (stylized as Craven "A") is a British brand of cigarettes, currently manufactured by British American Tobacco. [1] Originally founded and produced by the Carreras Tobacco Company in 1921 until merging with Rothmans International in 1972, who then produced the brand until Rothmans was acquired by British American Tobacco in 1999.