METHODS FOR REDUCING ODORS IN ASPHALT
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United States of America Patent
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Mar 6, 2017
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Dec 24, 2008
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Compositions and methods for reducing the foul odors of a hydrocarbonaceous material such as asphalt comprise the addition of an odor reducing amount of a reducing carbohydrate and/or a soluble zinc compound. The reducing carbohydrate may be a monosaccharide, oligosaccharide or polysaccharide, including a starch; and it may be used as a sole odor reducing agent or in combination with soluble zinc compounds and/or other odor reducing compounds.
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