US4766646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Poultry processing
Assignee: BP Chemicals Ltd
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Filing: 1987-05-22
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Granted: 1988-08-30
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Expires: 2007-05-22
Abstract
Abstract This invention relates to a method of eliminating infection of poultry by undesirable microorganisms such as salmonella during processing. The method consists of dipping the poultry carcass prior to plucking into scald water containing an effective amount of an acid polyformate salt.
Inventors
- 👤 David A. Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:01
CPC Classifications
A; A22; A22C; A22C21/00; A22C21/0061; A22C21/04; A23; A23B; A23B4/00; A23B4/02; A23B4/027; A23B4/14; A23B4/18; A23B4/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
38 words
A method of processing poultry which processing comprises the step of dipping the poultry carcass into a scald water tank prior to plucking, characterised in that the scald water contains an effective amount of an acid polyformate salt.
Claim 2
Independent Claim
38 words
A method of processing poultry which processing comprises the step of dipping the poultry carcass into a scald water tank prior to plucking, characterised in that the scald water contains an effective amount of an acid polyformate salt.
Claim 3
Dependent Claim
14 words
A method according to claim 1 wherein the acid polyformate salt is ammonium tetraformate.
Claim 4
Dependent Claim
15 words
A method according to claim 1 wherein the scald water temperature is from 50°-60° C.
Claim 5
Dependent Claim
26 words
A method according to claim 1 wherein the acid polyformate salt is present in the scald water in an amount from 0.002-0.5% w/w of the water.
Claim 6
Dependent Claim
20 words
A method according to claim 1 wherein the acid polyformate is added to the scald water as a preformed salt.
Claim 7
Dependent Claim
45 words
A method according to claim 1 wherein two or more reactant components are added to the scald water which together give rise to a concentration and ratio of cation to anion corresponding to that of the acid polyformate salt in situ in the scald water.
References Cited (Backward Citations)
DE2542891A1
Cited
US4220661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-30 | 1992-02-29 | 1992-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-30 | 1996-02-29 | 1996-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-30 | 2000-02-29 | 2000-08-30 | $7700.00 | Window Closed / Lapsed |