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US4852216A Expired / Lapsed US ⏱️ 0.0 years remaining

Animal slaughtering chemical treatment and method

Assignee: CARY ENGINEERING Inc
•
Filing: 1987-01-16
•
Granted: 1989-08-01
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Expires: 2007-01-16
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Abstract

Abstract A material and method for processing meat in production in which the meat, both carcass and head, which can proceed on different production lines, is rinsed and treated with acetic acid after hide removal. The water and acid are maintained at a temperature of between 80 and 150 degrees fahrenheit. The acid is in a water based solution at concentrations ranging from 0.25 per cent to 2.00 per cent. After evisceration for the carcass and removal of waste from the head, the head and carcass are rinsed and treated with acetic acid again before being sent to cold storage from which they are released later for further processing. The first rinsing step is commenced within one hour of the time the hide is removed from the animal.

Inventors

  • 👤 R. Paul Clayton
  • 👤 Rod A. Bowling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:24
CPC Classifications
A; A23; A23B; A23B4/00; A23B4/26; A23B4/30; A22; A22B; A22B5/00; A22B5/08; A23B4/06; A23B4/08; A23B4/12

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 92 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; a first water rinsing of the carcass within one hour of removal of the hide, with water maintained from 80 to 150 degrees fahrenheit; a first spraying of the carcass, immediately after the first washing, with acetic acid spray; evisceration of the carcass; a second rinsing of the carcass, immediately, with water maintained from 80 to 150 degrees fahrenheit; a second spraying of the carcass with acetic acid spray, immediately after the second rinsing.
Claim 2
Dependent Claim 92 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; a first water rinsing of the carcass within one hour of removal of the hide, with water maintained from 80 to 150 degrees fahrenheit; a first spraying of the carcass, immediately after the first washing, with acetic acid spray; evisceration of the carcass; a second rinsing of the carcass, immediately, with water maintained from 80 to 150 degrees fahrenheit; a second spraying of the carcass with acetic acid spray, immediately after the second rinsing.
Claim 3
Dependent Claim 23 words
The method claimed in claim 1 including further: maintaining the concentration of the acetic acid spray from 0.25 per cent to 2.00 percent.
Claim 4
Dependent Claim 14 words
The method claimed in claim 1 including further separating the head from the carcass.
Claim 5
Dependent Claim 67 words
The method claimed in claim 3 including further: a first water rinsing of the head with water maintained from 80 to 150 degrees fahrenheit; a first spraying of the head with acetic acid spray; removal of the inedible parts from the head; a second rinsing of the head with water maintained from 80 to 150 degrees fahrenheit; a second spraying of the head with acetic acid spray.
Claim 6
Dependent Claim 31 words
The method claimed in claim 1 wherein the step of the first water rinsing is commenced within 15 to 30 seconds from the time the hide is removed from the animal.
Claim 7
Dependent Claim 82 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; removing the head from the animal a first water washing of the head with water maintained from 80 to 150 degrees fahrenheit; a first spraying of the head with acetic acid spray; removal of undesirable parts from the head; a second washing of the head with water maintained from 80 to 150 degrees fahrenheit; a second spraying of the head with acetic acid spray.
Claim 8
Dependent Claim 82 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; removing the head from the animal a first water washing of the head with water maintained from 80 to 150 degrees fahrenheit; a first spraying of the head with acetic acid spray; removal of undesirable parts from the head; a second washing of the head with water maintained from 80 to 150 degrees fahrenheit; a second spraying of the head with acetic acid spray.
Claim 9
Dependent Claim 20 words
The method claimed in claim 6 wherein: the acetic acid is in a concentration ranging from 0.5 to 2.00 percent.
Claim 10
Dependent Claim 20 words
The method claimed in claim 6 wherein: the acetic acid is in a concentration ranging from 0.5 to 1.00 percent.
Claim 11
Dependent Claim 117 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; removing the head from the carcass; processing the head and the carcass on separate production lines; a plurality of first and second spraying means for spraying the carcass and the head with fluid; first rinsing on the separate production lines of the head and carcass with a warm water solution; first spraying of the head and the carcass with an acetic acid spray; evisceration of the carcass; removal of the inedible parts from the head; second spraying of the head and carcass with a warm water solution; second spraying of the head and carcass with an acetic acid solution.
Claim 12
Dependent Claim 117 words
In a method for packing meat the steps comprising: removing the hide from the animal leaving a carcass; removing the head from the carcass; processing the head and the carcass on separate production lines; a plurality of first and second spraying means for spraying the carcass and the head with fluid; first rinsing on the separate production lines of the head and carcass with a warm water solution; first spraying of the head and the carcass with an acetic acid spray; evisceration of the carcass; removal of the inedible parts from the head; second spraying of the head and carcass with a warm water solution; second spraying of the head and carcass with an acetic acid solution.
Claim 13
Dependent Claim 29 words
The method claimed in claim 9 wherein the step of the first water rinsing is commenced within one hour from the time the hide is removed from the animal.
Claim 14
Dependent Claim 31 words
The method claimed in claim 9 wherein the step of the first water rinsing is commenced within 15 to 30 seconds from the time the hide is removed from the animal.
Claim 15
Dependent Claim 29 words
The method claimed in claim 6 wherein the step of the first water rinsing is commenced within one hour from the time the hide is removed from the animal.
Claim 16
Dependent Claim 31 words
The method claimed in claim 6 wherein the step of the first water rinsing is commenced within 15 to 30 seconds from the time the hide is removed from the animal.
Claim 17
Dependent Claim 20 words
The method claimed in claim 9 wherein the acetic acid solution is in the range of 0.50 to 2.00 percent.
Claim 18
Dependent Claim 23 words
The method claimed in claim 9 wherein the temperature of the warm water is in the range of 80 to 150 degrees fahrenheit.
Claim 19
Dependent Claim 22 words
The method claimed in claim 14 wherein the time of acetic acid spray is in the range of 5 to 25 seconds.
Claim 20
Dependent Claim 28 words
The method claimed in claim 15 wherein the animal processed is beef cattle and the warm water temperature is in the range of 110 to 130 degrees fahrenheit.
Claim 21
Dependent Claim 22 words
The method claimed in claim 9 including the further step of transferring the carcass and head to cold storage for a time.

References Cited (Backward Citations)

US3934044A Cited
US3958020A Cited
US4191787A Cited
US4305966A Cited
US4431679A Cited
WO1983003522A1 Cited
US4670277A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-07-31 1993-01-30 1993-08-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-07-31 1997-01-30 1997-08-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-07-31 2001-01-30 2001-08-01 $7700.00 Window Closed / Lapsed

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