Process for eliminating organic odors and compositions for use therein
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United States of America Patent
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Jan 3, 1989
Grant Date -
N/A
app pub date -
Jun 30, 1987
filing date -
Jun 30, 1987
priority date (Note) -
Expired
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Abstract
Odors attributable to organic molecular species are eliminated to levels below their olfactory detection level threshold by contact of the odor-producing species with a crystalline siliceous molecular sieve material having at least about 90 percent of its tetrahedral oxide units as SiO.sub.2 tetrahedra, having pore apertures nominally at least 5.5 A in diameter, from which the original water of hydration has been substantially removed, having a capacity for adsorbed water of not greater than 10 weight percent when measured at 25.degree. C. at a water vapor pressure (p/p.sub.o) of 4.6 torr.
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