US3896240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of simulated human milk
Assignee: Berlin-Brandenburg Academy of Sciences and Humanities
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Filing: 1973-04-02
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Granted: 1975-07-22
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Expires: 1993-04-02
Abstract
Abstract A simulated human milk for feeding babies is prepared by treating whey with an anion-exchange resin to remove substantially all anions of weak acids from the whey, adding to the whey a protein produced by pouring a quantity of skim milk into a solution of acid to produce a mixture having a pH between 4.4 and 5.1, adding fats, vitamins and minerals to the protein and whey mixture, homogenizing the resultant mixture and subsequently adding lactose.
Inventors
- 👤 Friedrich-Karl Gruette
- 👤 Juergen Schulze
- 👤 Heinz-Georg Hampel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:34
CPC Classifications
A; A23; A23C; A23C11/00; A23C11/02; A23C11/04; A23C9/00; A23C9/15; A23C9/1512; Y; Y10; Y10S; Y10S426/00; Y10S426/801
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
159 words
A PROCESS FOR THE PRODUCTION OF A COMPOSITION THAT SIMULATES HUMAN MILK AND WHICH IS ESPECIALLY SUITABLE FOR THE FEEDING OF INFANTS WHICH COMPRISES A. TREATING WHEY WITH AN ANION-EXCHANGE RESIN CHARGED WITH CHLORIDE IONS TO REMOVE SUBSTANTIALLY ALL ANIONS OF WEAK ACIDS FROM THE SAID WHEY, B. ADDING TO THE SAID TREATED WHEY A PROTEIN PRODUCED BY POURING A PRESELECTED QUANTITY OF SKIM MILK INTO A PRESELECTED QUANTITY OF AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID CONTAINING ONLY SUCH AN AMOUNT OF HYDROCHLORIC ACID THAT UPON ADDITION OF THE PRESELECTED QUANTITY OF THE SKIM MILK TO THE AQUEOUS SOLUTION OF HYDROCHLORIC ACID THE HYDROGEN-ION CONCENTRATION OF THE RESULTING MIXTURE CORRESPONDS TO A PH BETWEEN 4.4 AND 5.1, C. ADDING FATS, VITAMINS, AND MINERALS TO THE RESULTING MIXTURE OF PROTEIN AND TREATED WHEY, D. HOMOGENIZING THE RESULTING MIXTURE, AND E. SUBSEQUENTLY ADDING LACTOSE TO THE RESULTING HOMOGENIZED MIXTURE IN AN AMOUNT BETWEEN 6 AND 8% BY WEIGHT OF THE MIXTURE.
Claim 2
Dependent Claim
159 words
A PROCESS FOR THE PRODUCTION OF A COMPOSITION THAT SIMULATES HUMAN MILK AND WHICH IS ESPECIALLY SUITABLE FOR THE FEEDING OF INFANTS WHICH COMPRISES A. TREATING WHEY WITH AN ANION-EXCHANGE RESIN CHARGED WITH CHLORIDE IONS TO REMOVE SUBSTANTIALLY ALL ANIONS OF WEAK ACIDS FROM THE SAID WHEY, B. ADDING TO THE SAID TREATED WHEY A PROTEIN PRODUCED BY POURING A PRESELECTED QUANTITY OF SKIM MILK INTO A PRESELECTED QUANTITY OF AN AQUEOUS SOLUTION OF HYDROCHLORIC ACID CONTAINING ONLY SUCH AN AMOUNT OF HYDROCHLORIC ACID THAT UPON ADDITION OF THE PRESELECTED QUANTITY OF THE SKIM MILK TO THE AQUEOUS SOLUTION OF HYDROCHLORIC ACID THE HYDROGEN-ION CONCENTRATION OF THE RESULTING MIXTURE CORRESPONDS TO A PH BETWEEN 4.4 AND 5.1, C. ADDING FATS, VITAMINS, AND MINERALS TO THE RESULTING MIXTURE OF PROTEIN AND TREATED WHEY, D. HOMOGENIZING THE RESULTING MIXTURE, AND E. SUBSEQUENTLY ADDING LACTOSE TO THE RESULTING HOMOGENIZED MIXTURE IN AN AMOUNT BETWEEN 6 AND 8% BY WEIGHT OF THE MIXTURE.
Claim 3
Dependent Claim
58 words
A process as defined in claim 1 in which the protein in step b was produced by pouring the skim milk into an aqueous solution of hydrochloric acid containing only such an amount of hydrochloric acid as to produce a mixture having a hydrogen-ion concentration corresponding to pH of 4.7 upon the addition of the skim milk thereto.
Claim 4
Dependent Claim
28 words
A process as defined in claim 1 in which the mixture after the homogenization step d is dried to a powder and the lactose is subsequently mixed therewith.
Claim 5
Dependent Claim
17 words
A process as defined in claim 1 in which the protein is produced from skim cow''s milk.
Claim 6
Dependent Claim
34 words
A process as defined in claim 1 in which the protein and fat are added to the mixture in amounts equivalent to approximately 1.7 and 3.5%, respectively, by weight of the final liquid composition.
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) | 1978-07-21 | 1979-01-20 | 1979-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-21 | 1983-01-20 | 1983-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-21 | 1987-01-20 | 1987-07-22 | $7700.00 | Window Closed / Lapsed |