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US Patent 6172040 - Immobilized lactoferrin antimicrobial agents and the use thereof
US Patent Issued on January 9, 2001
Estimated Patent Expiration Date:
May 28, 2019Estimated 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.
Estimated Patent Expiration Date:
May 28, 2019Estimated 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.AbstractDisclosed is a method for treating products, such as meat products, with immobilized lactoferrin to reduce microbial contamination. The lactoferrin is immobilized on a naturally occurring substrate, preferably a galactose-rich polysaccharide. In some embodiments, the lactoferrin is applied as an aqueous solution containing a mixture of the immobilized lactoferrin and native lactoferrin, and a buffer system that includes a physiologically acceptable acid, such as citric acid, a physiologically acceptable base, such as sodium bicarbonate, and a physiologically acceptable salt, such as sodium chloride.Other References
| InventorAssigneeApplicationNo. 322700 filed on 05/28/1999US Classes:514/6, Heavy metal containing (e.g., hemoglobin, etc.)422/28, Using disinfecting or sterilizing substance422/32, Treating bulk material426/310, Preserving426/322, Treatment with heavy metal or compound thereof426/326, With biocidal or disinfecting chemical agent426/332, Animal flesh426/335, Biocidal or disinfecting chemical agent426/532, With biocide or biostat514/8, Glycoprotein (carbohydrate containing)514/21Produced by or extracted from animal tissueField of Search424/439, Food or edible as carrier for pharmaceutical424/442, Animal food426/302, SURFACE COATING OF A SOLID FOOD WITH A LIQUID426/310, Preserving426/321, INHIBITING CHEMICAL OR PHYSICAL CHANGE OF FOOD BY CONTACT WITH A CHANGE INHIBITING CHEMICAL AGENT OTHER THAN AN ANTIOXYGEN AGENT426/322, Treatment with heavy metal or compound thereof426/326, With biocidal or disinfecting chemical agent426/332, Animal flesh426/335, Biocidal or disinfecting chemical agent426/532, With biocide or biostat426/574, Meat, meat extracts, or meat analog426/652, For use with meat, poultry or seafood422/28, Using disinfecting or sterilizing substance422/32, Treating bulk material514/6, Heavy metal containing (e.g., hemoglobin, etc.)514/8, Glycoprotein (carbohydrate containing)514/21, Produced by or extracted from animal tissue530/395, Glycoprotein, e.g., mucins proteoglycans, etc.530/400, Metal containing, e.g., chromoproteins, ferritin, ferredoxins, etc.530/810, CARRIER - BOUND OR IMMOBILIZED PEPTIDES OR PROTEINS AND THE PREPARATION THEREOF, E.G., BIOLOGICAL CELL OR CELL FRAGMENT AS CARRIER, ETC.530/811, Peptides or proteins is immobilized on, or in, an inorganic carrier530/812, Peptides or proteins is immobilized on, or in, an organic carrier530/813, Carrier is a saccharide530/814, Cellulose or derivatives thereof530/815, Carrier is a synthetic polymer530/816, Attached to the carrier via a bridging agent530/817Entrapped within the carrier, e.g., gel, hollow fibre, etc.ExaminersPrimary: Russel, Jeffrey E.Attorney, Agent or FirmUS Patent References4667018, Process for the purification of proteins using acidic polysaccharide gelsIssued on: 05/19/1987 Inventor: Prieels , et al.4791193, Process for producing bovine lactoferrin in high purity Issued on: 12/13/1988 Inventor: Okonogi , et al.4946944, Process for the selective extraction of metalloproteins from whey by adsorption and elution Issued on: 08/07/1990 Inventor: Frankinet, et al.5015487, Use of lanthionines for control of post-processing contamination in processed meat Issued on: 05/14/1991 Inventor: Collison, et al.5147853, Infection protectant Issued on: 09/15/1992 Inventor: Dosako, et al.5156875, Stabilized antimicrobial food composition Issued on: 10/20/1992 Inventor: Monte5179197, Secretory component-containing composition Issued on: 01/12/1993 Inventor: Uchida, et al.5214028, Lactoferrin hydrolyzate for use as an antibacterial agent and as a tyrosinase inhibition agent Issued on: 05/25/1993 Inventor: Tomita, et al.5296464, Bioactive agents and compositions for materials comprising the bioactive agent and a method for treating materials therewith Issued on: 03/22/1994 Inventor: Tomita, et al.5389611, Lactoferrin hydrolyzate for use as an antibacterial agent and as a tyrosinase inhibition agent Issued on: 02/14/1995 Inventor: Tomita, et al.5543392, Digestive tract cell activating agent of EGF and lactoferrin Issued on: 08/06/1996 Inventor: Tomita, et al.5573801, Surface treatment of foodstuffs with antimicrobial compositions Issued on: 11/12/1996 Inventor: Wilhoit5606086, Iron lactoferrin complexes and preparation thereof Issued on: 02/25/1997 Inventor: Dosako, et al.5656591, Antimicrobial agents and method for treating products therewith Issued on: 08/12/1997 Inventor: Tomita, et al.5834424Use of lactoferrin for therapy of acute of chronic infectious diseases by the intracellular gram-positive pathogens streptococcus pyogenes and staphylococcus aureus Issued on: 11/10/1998 Inventor: Valenti, et al. Foreign Patent References
International ClassesA23B 004/20A23L 003/349.9 A23L 003/352.6 A61K 038/40 A61L 002/18 |
