US4218490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functional proteins
Assignee: DAVISCO INTERNATIONAL Inc
•
Filing: 1977-04-20
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Granted: 1980-08-19
•
Expires: 1997-04-20
Abstract
Abstract The disclosure is of the extraction by ion exchange and use, especially in edible materials, of functional protein material having one or more useful surface-active properties such as foaming, foam stabilization, gelation, or water-or fat-binding characteristics.
Inventors
- 👤 David J. Phillips
- 👤 David T. Jones
- 👤 Douglas E. Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:33
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/34; A23G3/36; A23G3/44; A23G3/50; A23G3/52; A23J; A23J1/00; A23J1/001; A23J1/06; A23J1/14; A23J1/20; A23J1/205; A23J3/00; A23P; A23P30/00; A23P30/40; B; B01; B01J; B01J47/00; B01J47/014; C; C04; C04B; C04B24/00; C04B24/12; C04B24/14
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
98 words
In a process for preparing edible foodstuff materials containing water which comprises at least one of the steps of (a) foaming, (b) stabilizing a foam, (c) binding water, (d) binding fat and (e) gelling by the use of a surface-active protein agent to alter the surface tension of the edible material, the improvement, which comprises; employing as the surface-active agent a surface-active protein agent containing 90 percent or more by weight of protein which has been prepared by extraction from a surface-active protein source by ion-exchange interaction with an ion-exchange material followed by recovery from the ion-exchange material.
Claim 2
Dependent Claim
98 words
In a process for preparing edible foodstuff materials containing water which comprises at least one of the steps of (a) foaming, (b) stabilizing a foam, (c) binding water, (d) binding fat and (e) gelling by the use of a surface-active protein agent to alter the surface tension of the edible material, the improvement, which comprises; employing as the surface-active agent a surface-active protein agent containing 90 percent or more by weight of protein which has been prepared by extraction from a surface-active protein source by ion-exchange interaction with an ion-exchange material followed by recovery from the ion-exchange material.
Claim 3
Dependent Claim
12 words
The process of claim 1 wherein the edible material is a gel.
Claim 4
Dependent Claim
59 words
The process of claim 1 wherein the protein source is selected from the group consisting of blood, soya, whey, egg white, milk, a protein containing liquid extract of rape seed, a protein containing liquid extract of groundnuts, a protein containing liquid palm nut extract, a protein containing liquid sunflower seed extract and a protein containing liquid extract of olives.
Claim 5
Dependent Claim
12 words
The process of claim 3 wherein the source selected is milk whey.
Claim 6
Dependent Claim
14 words
The process of claim 1 wherein the ion-exchange material is derived from a polysaccharide.
Claim 7
Dependent Claim
14 words
The process of claim 5 wherein the polysaccharide is derived from a cellulosic material.
Claim 8
Dependent Claim
13 words
The process of claim 6 wherein the cellulose material is a regenerated cellulose.
Claim 9
Dependent Claim
28 words
The process of claim 1 wherein the ion-exchange material is derived from a member selected from the group consisting of a substituted starch, dextran, agarose and polyvinyl alcohol.
Claim 10
Dependent Claim
40 words
The process of claim 1 wherein the edible foodstuff material is selected from the groups consisting of a meringue, a sponge cake, a bread, a marshmallow; a macaroon, a cohered fish, a cohered meat, a cohered vegetable and a beverage.
Claim 11
Dependent Claim
8 words
The product of the process of claim 1.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-19 | 1984-02-18 | 1984-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-19 | 1988-02-18 | 1988-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-19 | 1992-02-18 | 1992-08-19 | $7700.00 | Window Closed / Lapsed |