Patent US3073700A successfully refreshed from Google Patents.
US3073700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dried blood pigment preparation for comminuted meat products and method of preparing same
Assignee: Griffith Laboratories Ltd
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Filing: 1961-06-30
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Granted: 1963-01-15
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 John A Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:08
CPC Classifications
A; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
THE METHOD OF PREPARING A DRIED ANIMAL BLOOD PIGMENT FOR COMMINUTED MEAT PRODUCTS FROM WHOLE BLOOD, DEFIBRINATED BLOOD OR RED BLOOD CELLS WHICH COMPRISES ADDED ALKALI-METAL NITRATE TO AN AQUEOUS MASS CONTAINING RED BLOOD CELLS OF ANIMAL BLOOD AND AN EXCESS OF EDIBLE REDUCING AGENT WHEREBY TO FORM NITROSO-DERIVATIVES OF THE REDUCED FROMS OF SAID RED BLOOD CELLS IN THE PRESENCE OF SAID EXCESS OF REDUCING AGENT, ADDING A QUANTITY OF A BUFFERING AGENT OF AN EDIBLE ALKALINE REACTING MATERIAL SUFFICIENT TO ADJUST THE PH VALUE TO THE RANGE OF 7 TO 9 FOR PRESERVING THE RESULTING COLOR OF SAID NITROSO-DERIVATIVES, AND THEN CONVERTING THE MIXTURE TO A DRY POWDER CONTAINING SAID COLORED PIGMENT, SAID BUFFERING AGENT AND RESIDUAL REDUCING AGENT.
Claim 2
Independent Claim
121 words
THE METHOD OF PREPARING A DRIED ANIMAL BLOOD PIGMENT FOR COMMINUTED MEAT PRODUCTS FROM WHOLE BLOOD, DEFIBRINATED BLOOD OR RED BLOOD CELLS WHICH COMPRISES ADDED ALKALI-METAL NITRATE TO AN AQUEOUS MASS CONTAINING RED BLOOD CELLS OF ANIMAL BLOOD AND AN EXCESS OF EDIBLE REDUCING AGENT WHEREBY TO FORM NITROSO-DERIVATIVES OF THE REDUCED FROMS OF SAID RED BLOOD CELLS IN THE PRESENCE OF SAID EXCESS OF REDUCING AGENT, ADDING A QUANTITY OF A BUFFERING AGENT OF AN EDIBLE ALKALINE REACTING MATERIAL SUFFICIENT TO ADJUST THE PH VALUE TO THE RANGE OF 7 TO 9 FOR PRESERVING THE RESULTING COLOR OF SAID NITROSO-DERIVATIVES, AND THEN CONVERTING THE MIXTURE TO A DRY POWDER CONTAINING SAID COLORED PIGMENT, SAID BUFFERING AGENT AND RESIDUAL REDUCING AGENT.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |