US4511591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreadable fat product and method for its production
Assignee: Alfa Laval AB
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Filing: 1982-06-11
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Granted: 1985-04-16
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Expires: 2002-06-11
Abstract
Abstract Fat product which is spreadable at refrigerator temperature and contains 35-55% fat, 4-7% protein and 41-58% water. The protein has been obtained from an ultra-filtrated milk product, at which the fat product after mixing the protein concentrate with the fat raw material and homogenization of the fat spheres consists of a stable oil-in-water emulsion. The emulsion is stabilized by the milk protein. The fat product is free from additives in the form of stabilizing agents and emulsifiers. The method to manufacture the fat product is seen from the attached flow-chart, which shows the steps in the process.
Inventors
- 👤 Kenneth L. Andersson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:20
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/15; A23C9/1504; A23D; A23D7/00; A23D7/005; A23D7/0056; A23D7/015; A23C2260/00; A23C2260/10; A23C2260/102
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
66 words
A fat product containing 35-55% fat, 4-7% ultra-filtrated milk protein and 41-58% water, said fat being in the form of spheres each smaller than 10μ, said fat and water forming an oil-in-water emulsion, said protein forming shells around said fat spheres to stabilize the emulsion, said fat product being spreadable at refrigerator temperature and being free from additives in the form of stabilizing agents and emulsifiers.
Claim 2
Dependent Claim
66 words
A fat product containing 35-55% fat, 4-7% ultra-filtrated milk protein and 41-58% water, said fat being in the form of spheres each smaller than 10μ, said fat and water forming an oil-in-water emulsion, said protein forming shells around said fat spheres to stabilize the emulsion, said fat product being spreadable at refrigerator temperature and being free from additives in the form of stabilizing agents and emulsifiers.
Claim 3
Dependent Claim
13 words
The fat product of claim 1, in which said fat is milk fat.
Claim 4
Independent Claim
105 words
A method of manufacturing a fat product which is spreadable at refrigerator temperature and which is free of additives in the form of stabilizing agents and emulsifiers, said method comprising the steps of pasteurizing milk at 85-95° C., cooling and then ultra-filtrating the pasteurized milk to provide a protein concentrate, mixing said concentrate with fat and water to form a mixture containing 35-55% fat, 4-7% protein and 41-58% water, and forming an oil-in-water emulsion by subjecting said mixture to homogenization, said homogenization being sufficient to reduce said fat to spheres each smaller than 10μ and surrounded by shells of said protein to stabilize the emulsion.
Claim 5
Independent Claim
105 words
A method of manufacturing a fat product which is spreadable at refrigerator temperature and which is free of additives in the form of stabilizing agents and emulsifiers, said method comprising the steps of pasteurizing milk at 85-95° C., cooling and then ultra-filtrating the pasteurized milk to provide a protein concentrate, mixing said concentrate with fat and water to form a mixture containing 35-55% fat, 4-7% protein and 41-58% water, and forming an oil-in-water emulsion by subjecting said mixture to homogenization, said homogenization being sufficient to reduce said fat to spheres each smaller than 10μ and surrounded by shells of said protein to stabilize the emulsion.
Claim 6
Dependent Claim
12 words
The method of claim 3, in which said fat is milk fat.
Claim 7
Dependent Claim
15 words
The method of claim 3, in which said homogenization is carried out in two stages.
Claim 8
Dependent Claim
26 words
The method of claim 3, in which at least part of the protein concentrate, prior to said mixing, is flavored in the presence of flavoring bacteria.
Claim 9
Dependent Claim
17 words
The method of claim 3, in which said homogenization is effected at a temperature of 40-70° C.
Claim 10
Dependent Claim
16 words
The method of claim 3, in which the fat product is packaged directly after said homogenization.
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) | 1988-04-15 | 1988-10-15 | 1989-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-15 | 1992-10-15 | 1993-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-15 | 1996-10-15 | 1997-04-16 | $7700.00 | Window Closed / Lapsed |