US3852489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food products and the preservation and enhancing of the appearance thereof
Assignee: New England Fish Co
•
Filing: 1974-02-22
•
Granted: 1974-12-03
•
Expires: 1994-02-22
Abstract
Abstract A process of preserving or enhancing the appearance, and especially the color, of fish roe, particularly salmon roe, which features the impregnation of the roe with citrate or sulfite, and especially a mixture thereof; and also the resulting product.
Inventors
- 👤 S Yip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:22
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/14; A23B4/18; A23B4/20; A23B4/02; A23L; A23L17/00; A23L17/30
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
36 words
A PROCESS FOR PRESERVING THE REDDISH COLOR OF SALMON ROE COMPRISING IMPREGNATING RED COLORED SALMON ROE WITH AN NONTOXIC WATER SOLUBLE CITRATE OR SULFITE, IN AN AMOUNT SUFFICIENT TO MAINTAIN THE REDDISH COLOR OF SAID ROE.
Claim 2
Dependent Claim
36 words
A PROCESS FOR PRESERVING THE REDDISH COLOR OF SALMON ROE COMPRISING IMPREGNATING RED COLORED SALMON ROE WITH AN NONTOXIC WATER SOLUBLE CITRATE OR SULFITE, IN AN AMOUNT SUFFICIENT TO MAINTAIN THE REDDISH COLOR OF SAID ROE.
Claim 3
Dependent Claim
13 words
The process of claim 1 wherein said roe is impregnated with said citrate.
Claim 4
Dependent Claim
18 words
The process of claim 1 wherein said roe is impregnated with at least about 300 ppm of citrate.
Claim 5
Dependent Claim
13 words
The process of claim 1 wherein said roe is impregnated with said sulfite.
Claim 6
Dependent Claim
18 words
The process of claim 1 wherein said roe is impregnated with at least about 125 ppm of sulfite.
Claim 7
Dependent Claim
16 words
The process of claim 1 wherein said roe is impregnated with said citrate and said sulfite.
Claim 8
Dependent Claim
27 words
The process of claim 6 wherein said roe is impregnated with at least about 300 ppm of said citrate and at least about 125 ppm of sulfite.
Claim 9
Dependent Claim
24 words
The process of claim 1 wherein said roe is treated with an aqueous solution of said citrate or said sulfite or a mixture thereof.
Claim 10
Dependent Claim
23 words
The process of claim 1 wherein said roe is treated with an aqueous solution of at least about 0.15 wt. percent of citrate.
Claim 11
Dependent Claim
15 words
The process of claim 9 wherein said solution is prepared from sodium or potassium citrate.
Claim 12
Dependent Claim
22 words
The process of claim 8 wherein said roe is treated with an aqueous solution of at least about 0.05 wt. percent sulfite.
Claim 13
Dependent Claim
15 words
The process of claim 11 wherein said solution is prepared from sodium or potassium sulfite.
Claim 14
Dependent Claim
16 words
The process of claim 8 wherein said solution contains a mixture of said sulfite and citrate.
Claim 15
Dependent Claim
12 words
The process of claim 8 wherein said solution is a brine solution.
Claim 16
Dependent Claim
28 words
The process of claim 14 wherein said roe is treated with said brine solution until the roe has a salt content of at least about 5 wt. percent.
Claim 17
Dependent Claim
13 words
The process of claim 15 including subjecting the treated roe to subfreezing temperatures.
Claim 18
Dependent Claim
25 words
Red colored salmon roe containing added citrate or sulfite or a mixture thereof in an amount adequate to preserve the reddish color of said roe.
Claim 19
Dependent Claim
25 words
Red colored salmon roe containing added citrate or sulfite or a mixture thereof in an amount adequate to preserve the reddish color of said roe.
Claim 20
Dependent Claim
9 words
Roe according to claim 17 which is also brined.
Claim 21
Dependent Claim
22 words
Fish roe containing added citrate or sulfite or a mixture thereof in an amount adequate to preserve the color of said roe.
Claim 22
Dependent Claim
22 words
Fish roe containing added citrate or sulfite or a mixture thereof in an amount adequate to preserve the color of said roe.
Claim 23
Dependent Claim
10 words
Fish roe according to claim 19 which is also brined.
References Cited (Backward Citations)
US1927123A
Cited
US2294428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-02 | 1978-06-03 | 1978-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-02 | 1982-06-03 | 1982-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-02 | 1986-06-03 | 1986-12-03 | $7700.00 | Window Closed / Lapsed |