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Tobacco products
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Patent number 10,780,062
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Issue date Sep 22, 2020
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COLORADO CAN LLC
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Robert E. Sievers
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Methods for fine particle formation
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Patent number 5,639,441
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Issue date Jun 17, 1997
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Board of Regents of University of Colorado
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Robert E. Sievers
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oxygen sorbent
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Patent number 4,654,053
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Issue date Mar 31, 1987
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University Patents, Inc.
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Robert E. Sievers
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C07 - ORGANIC CHEMISTRY
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Oxygen sorbent
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Patent number 4,514,522
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Issue date Apr 30, 1985
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University Patents, Inc.
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Robert E. Sievers
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C07 - ORGANIC CHEMISTRY
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