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US Patent 5179197 - Secretory component-containing composition
US Patent Issued on January 12, 1993
Estimated Patent Expiration Date:
March 15, 2011Estimated 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:
March 15, 2011Estimated 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.AbstractA secretory component-containing composition which is obtainable by contacting a milk or a whey with a cation exchange resin to allow the resin to absorb a secretory component contained in the milk or the whey and then eluting the secretory component and which has the following properties:(a) contains a secretory component with the purity of at least 20% by weight,(b) contains, besides the secretory component, at least an immunoglobulin and/or a serum albumin, and(c) has anti-infectious effects.Other References
| InventorsAssigneeApplicationNo. 669089 filed on 03/15/1991US Classes:530/366, Separation, purification or synthesis530/387.1, Immunoglobulin, antibody, or fragment thereof, other than immunoglobulin antibody, or fragment thereof that is conjugated or absorbed530/388.2, Binds microorganism or normal or mutant component or product thereof (e.g., animal cell, cell-surface antigen, secretory product, etc.)530/413, Immunological separation or affinity chromatography530/416, Ion exchange530/833, Whey; cheese530/861INVOLVING IGG3, IGG4, IGA, OR IGYField of Search530/413, Immunological separation or affinity chromatography530/416, Ion exchange530/832, Milk; colostrum530/833, Whey; cheese530/366, Separation, purification or synthesis530/361, Separation, purification or synthesis530/362, Albumin530/360Casein or caseinateExaminersPrimary: Cashion, Merrell C. Jr.Assistant: Touzeau, P. Lynn Attorney, Agent or FirmUS Patent References4436658, Process of extraction of lactoferrine and immunoglobulins of milkIssued on: 03/13/1984 Inventor: Peyrouset , et al.4816252Product and process for transferring passive immunity to newborn domestic animals using ultrafiltered whey containing immunoglobulins Issued on: 03/28/1989 Inventor: Stott , et al. International ClassesC07K 015/14A61K 035/20 Foreign Application Priority Data1990-03-15 JP |
