Propionic acid on a carrier material as a preservative
Patent 4199606 Issued on April 22, 1980. Estimated Expiration Date: 
February 21, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 21, 1998. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2154449 2434204 3627885 3682653 3812269 3836655 InventorApplicationNo. 05/879605 filed on 02/21/1978US Classes:426/331, Animal flesh, citrus fruit, bean or cereal seed material426/335, Biocidal or disinfecting chemical agent426/532, With biocide or biostat426/807, POULTRY OR RUMINANT FEED426/97Having mineral or inorganic substrateExaminersPrimary: Penland, R. B.Attorney, Agent or FirmInternational ClassesA01N 37/02 (20060101)A23K 1/175 (20060101) A23K 3/00 (20060101) A23L 3/3508 (20060101) A23L 3/3454 (20060101) A23L 3/3463 (20060101) A23L 3/358 (20060101) AbstractPropionic acid absorbed on a particulate carrier material, including vermiculite and perlite, which will catalyze or effect the formation of monomeric propionic acid in the propionic acid vapors which evaporate therefrom is disclosed as a preservative for various agricultural crop products and derivative and by-products thereof, including animal feeds and cereals.Other References
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