US4079155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating soybeans and product thereof
Assignee: Land OLakes Inc
•
Filing: 1976-12-20
•
Granted: 1978-03-14
•
Expires: 1996-12-20
Abstract
Abstract A bland, nutritive, water-retentive soybean flour, concentrate, or other food product is produced by a process involving heating soybean material under superatmospheric pressure and in contact with alcohol and water and/or their vapors while permitting continuous escape of vapors.
Inventors
- 👤 Madhu L. Kakade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:25
CPC Classifications
A; A23; A23C; A23C11/00; A23C11/02; A23C11/06; A23L; A23L11/00; A23L11/30; A23L11/32
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
121 words
The process of treating soybeans, comprising: uniformly subjecting proteinaceous soybean material selected from the group consisting of full-fat, low-fat and defatted soybeans and having a PDI of at least about 20 to vapors, comprising a lower alcohol vapor, in a pressure chamber under superatmospheric pressure while simultaneously causing a slow continuous removal of vapors from said chamber at a rate of at least about 0.5 cubic foot per hour per pound of said material, said chamber being maintained at a pressure of at least 5 PSI gauge, by means of continuous addition of heated vapors at a temperature of at least about 220° F. for at least 20 minutes so that a substantial reduction of the PDI of the material occurs
Claim 2
Dependent Claim
121 words
The process of treating soybeans, comprising: uniformly subjecting proteinaceous soybean material selected from the group consisting of full-fat, low-fat and defatted soybeans and having a PDI of at least about 20 to vapors, comprising a lower alcohol vapor, in a pressure chamber under superatmospheric pressure while simultaneously causing a slow continuous removal of vapors from said chamber at a rate of at least about 0.5 cubic foot per hour per pound of said material, said chamber being maintained at a pressure of at least 5 PSI gauge, by means of continuous addition of heated vapors at a temperature of at least about 220° F. for at least 20 minutes so that a substantial reduction of the PDI of the material occurs
Claim 3
Dependent Claim
37 words
The process of claim 1 wherein said soybean material is defatted soybean flour havng a PDI of about 90, said alcohol is ethyl alcohol, said temperature is about 250° F. and said time is about one-half hour.
Claim 4
Dependent Claim
21 words
The process of claim 2 wherein said flour and alcohol are initially present in a ratio of about 2:1 by weight.
Claim 5
Dependent Claim
27 words
The process of claim 1 in which the proteinaceous soybean material is mixed with water and alcohol in liquid form prior to being placed in said chamber.
Claim 6
Dependent Claim
27 words
The process of claim 1 wherein is included the further step of aqueous extraction of the vapor-treated material to remove water-soluble carbohydrates and provide a protein concentrate.
Claim 7
Dependent Claim
19 words
A bland, highly nutritive protein concentrate of at least about 70% protein, prepared by the process of claim 5.
References Cited (Backward Citations)
US2444241A
Cited
US2615905A
Cited
US3043826A
Cited
US3170802A
Cited
US3023107A
Cited
US3268503A
Cited
US3891774A
Cited
US3721569A
Cited
US3925569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |