Patent US3951137A successfully refreshed from Google Patents.
US4407841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of a proteinaceous oat fraction from a dispersion thereof in hydrocarbon solvent
Assignee: HER MAJESTY IN RIGHT OF CANADA AGRICULTURE, Minister of
•
Filing: 1981-10-28
•
Granted: 1983-10-04
•
Expires: 2001-10-28
Abstract
Abstract A process for the recovery of a proteinaceous oat fraction from a dispersion thereof in an aliphatic hydrocarbon solvent is disclosed. The dispersion is admixed with at least 2.5%, by weight, of a solution of ethyl alcohol and water, whereby the dispersion agglomerates. The amount of water in the resultant admixture of agglomerate and solvent is then reduced to less than 0.3%, by weight. The proteinaceous oat fraction that is recovered has a low bulk density, e.g., less than 0.14 g/ml, is white, soft and fluffy. The fraction may be used in a variety of food products.
Inventors
- 👤 John R. B. Boocock
- 👤 Ronald E. Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/12
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
155 words
A process for the recovery of a proteinaceous oat fraction from a dispersion thereof in an aliphatic hydrocarbon solvent, said hydrocarbon having 5-8 carbon atoms and said fraction containing at least 50%, by weight of the fraction, of protein, said process comprising the steps of: (a) admixing the dispersion with at least 2.5%, by weight of the dispersion, of an aqueous ethyl alcohol solution comprising 82-92%, by weight of the solution, of ethyl alcohol and 18-8% water, with the proviso that the resultant admixture contains at least 0.35%, by weight of the admixture, of water, so as to agglomerate proteinaceous oat fraction in said dispersion; (b) removing water from the liquid phase of the resultant admixture of agglomerated proteinaceous oat fraction in solvent so as to reduce the amount of water to less than 0.3%, by weight of the admixture; and (c) recovering such proteinaceous oat fraction by separating the agglomerated fraction from the admixture.
Claim 2
Dependent Claim
155 words
A process for the recovery of a proteinaceous oat fraction from a dispersion thereof in an aliphatic hydrocarbon solvent, said hydrocarbon having 5-8 carbon atoms and said fraction containing at least 50%, by weight of the fraction, of protein, said process comprising the steps of: (a) admixing the dispersion with at least 2.5%, by weight of the dispersion, of an aqueous ethyl alcohol solution comprising 82-92%, by weight of the solution, of ethyl alcohol and 18-8% water, with the proviso that the resultant admixture contains at least 0.35%, by weight of the admixture, of water, so as to agglomerate proteinaceous oat fraction in said dispersion; (b) removing water from the liquid phase of the resultant admixture of agglomerated proteinaceous oat fraction in solvent so as to reduce the amount of water to less than 0.3%, by weight of the admixture; and (c) recovering such proteinaceous oat fraction by separating the agglomerated fraction from the admixture.
Claim 3
Dependent Claim
23 words
The process of claim 1 in which the dispersion contains not more than 12%, by weight of the dispersion, of proteinaceous oat fraction.
Claim 4
Dependent Claim
26 words
The process of claim 2 in which the aliphatic hydrocarbon solvent is selected from the group consisting of pentane, hexane, heptane and cyclohexane, and mixtures thereof.
Claim 5
Dependent Claim
20 words
The process of claim 2 in which the dispersion contains 2-8%, by weight of the dispersion, of proteinaceous oat fraction.
Claim 6
Dependent Claim
32 words
The process of claims 1, 2 or 3 in which, in step (a), the dispersion is admixed with 5-10%, by weight of the dispersion, of the solution of ethyl alcohol and water.
Claim 7
Dependent Claim
34 words
The process of claims 1, 2 or 3 in which the aqueous ethyl alcohol solution comprises 83-89%, by weight of the solution, of ethyl alcohol and 17-11%, by weight of the solution, of water.
Claim 8
Dependent Claim
25 words
The process of claim 1 in which, in step (b), the amount of water is reduced to less than 0.1%, by weight of the admixture.
Claim 9
Dependent Claim
25 words
The process of claim 1 or claim 7 in which the amount of water in the resultant admixture of step (b) is reduced by distillation.
Claim 10
Dependent Claim
27 words
The process of claim 1 in which the amount of water in the resultant admixture of step (b) is reduced by contacting the admixture with silica gel.
Claim 11
Dependent Claim
24 words
The process of claim 1 in which the proteinaceous fraction in the dispersion contains at least 65%, by weight of the fraction, of protein.
References Cited (Backward Citations)
US2278670A
Cited
US3519431A
Cited
US3520868A
Cited
US3998800A
Cited
US3941764A
Cited
JPS5122078A
Cited
US4089848A
Cited
US4211801A
Cited
US4211695A
Cited
US4208259A
Cited
US4376133A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-03 | 1987-04-04 | 1987-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-03 | 1991-04-04 | 1991-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-03 | 1995-04-04 | 1995-10-04 | $7700.00 | Window Closed / Lapsed |