US2650166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milk product enhanced in amino acids and peptides
Assignee: Wyeth LLC
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Filing: 1950-04-07
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Granted: 1953-08-25
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Expires: 1970-04-07
Abstract
No abstract record available.
Inventors
- 👤 Frank H Tinkler
- 👤 Rexford C Stribley
- 👤 John G Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:19
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/14; A23C9/146; A23C11/00; A23C11/02; A23C11/04; A23C21/00; A23C21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A PROCESS OF PRODUCTING AN EDIBLE LACTOSE PRODUCT CONTAINING NOT OVER 1 PERCENT BY WEIGHT OF ASH ON A SOLIDS BASIS AND ENHANCED IN SOLUBLE NON-COAGULABLE HYDROLYSIS PRODUCTS OF MILK PROTEIN WHICH COMPRISES DIGESTING WHEY IN THE PRESENCE OF A PROTEOLYTIC ENZYME UNTIL SUBSTANTIALLY THE ENTIRE PROTEIN CONTENT OF THE WHEY IS CONVERTED TO A FORM NON-PRECIPITABLE BY TRICHLOROACETIC ACID, AND DEMINERALIZING THE DIGESTED WHEY BY CONTACT SUCCESSIVELY WITH A CATION-EXCHANGE RESIN AND AN ANION-EXCHANGE RESIN, THE AMOUNT OF RESINS USED AND THE VOLUME OF SOLUTION TREATED BEING SO CHOSEN AS TO REDUCE THE ASH CONTENT OF THE SOLUTION TO NOT OVER 1 PERCENT BY WEIGHT ON A SOLIDS BASIS AND PROVIDE AN EFFLUENT HAVING A PH BETWEEN ABOUT 4.0 AND ABOUT 7.0, WHEREBY AN EFFLUENT IS PRODUCED THE SOLIDS CONTENT OF WHICH CONSISTS FOR THE MOST PART OF LACTOSE CONTAINING LESS THAN 1 PERCENT BY WEIGHT OF ASH AND ENHANCED IN SOLUBLE NON-COAGULABLE HYDROLYSIS PRODUCTS OF MILK PROTEIN.
Claim 2
Dependent Claim
159 words
A PROCESS OF PRODUCTING AN EDIBLE LACTOSE PRODUCT CONTAINING NOT OVER 1 PERCENT BY WEIGHT OF ASH ON A SOLIDS BASIS AND ENHANCED IN SOLUBLE NON-COAGULABLE HYDROLYSIS PRODUCTS OF MILK PROTEIN WHICH COMPRISES DIGESTING WHEY IN THE PRESENCE OF A PROTEOLYTIC ENZYME UNTIL SUBSTANTIALLY THE ENTIRE PROTEIN CONTENT OF THE WHEY IS CONVERTED TO A FORM NON-PRECIPITABLE BY TRICHLOROACETIC ACID, AND DEMINERALIZING THE DIGESTED WHEY BY CONTACT SUCCESSIVELY WITH A CATION-EXCHANGE RESIN AND AN ANION-EXCHANGE RESIN, THE AMOUNT OF RESINS USED AND THE VOLUME OF SOLUTION TREATED BEING SO CHOSEN AS TO REDUCE THE ASH CONTENT OF THE SOLUTION TO NOT OVER 1 PERCENT BY WEIGHT ON A SOLIDS BASIS AND PROVIDE AN EFFLUENT HAVING A PH BETWEEN ABOUT 4.0 AND ABOUT 7.0, WHEREBY AN EFFLUENT IS PRODUCED THE SOLIDS CONTENT OF WHICH CONSISTS FOR THE MOST PART OF LACTOSE CONTAINING LESS THAN 1 PERCENT BY WEIGHT OF ASH AND ENHANCED IN SOLUBLE NON-COAGULABLE HYDROLYSIS PRODUCTS OF MILK PROTEIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |