Patent US4597972A successfully refreshed from Google Patents.
US4597972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nisin as an antibotulinal agent for food products
Assignee: Aplin and Barrett Ltd
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Filing: 1984-03-02
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Granted: 1986-07-01
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Expires: 2004-03-02
Abstract
Abstract Processed foods and food products are prepared by including from 2,000 to 10,000 I.U. of nisin to prevent the outgrowth of Clostridium botulinum spores.
Inventors
- 👤 Stephen L. Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:05
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/06; A23C19/068; A23C19/08; A23C19/082; A23B; A23B11/00; A23B11/60; A23B11/65; A23B11/67
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
51 words
A process for controlling the growth of Clostridium botulinum spores and the elaboration of botulinum toxin therefrom in a food product excluding a high moisture content pasteurized process cheese product, said process comprising adding to said product an amount of nisin or a nisin-producing culture sufficient to inhibit botulinum spore growth.
Claim 2
Dependent Claim
51 words
A process for controlling the growth of Clostridium botulinum spores and the elaboration of botulinum toxin therefrom in a food product excluding a high moisture content pasteurized process cheese product, said process comprising adding to said product an amount of nisin or a nisin-producing culture sufficient to inhibit botulinum spore growth.
Claim 3
Dependent Claim
25 words
The process according to claim 1 in which from about 2,000 to about 10,000 International Units of nisin are added per gram of food product.
Claim 4
Dependent Claim
21 words
A food product containing from about 100 to about 300 parts per million nisin produced by the process of claim 1.
Claim 5
Dependent Claim
30 words
The process as claimed in claim 1 in which an amount of at least 2000 Internation Units (50 ppm) of nisin is added or incorporated per gram of food product.
Claim 6
Dependent Claim
30 words
The process as claimed in claim 4 in which an amount of at least 4000 International Units (100 ppm) of nisin is added or incorporated per gram of food product.
Claim 7
Dependent Claim
29 words
A process as claimed in claim 4 in which an amount up to 12,000 International Units (300 ppm) of nisin is added or incorporated per gram of food product.
Claim 8
Dependent Claim
30 words
A food product excluding a high moisture content pasteurized process cheese product, said food product containing an amount of nisin or a nisin-producing culture sufficient to inhibit botulinum spore growth.
Claim 9
Dependent Claim
30 words
A food product excluding a high moisture content pasteurized process cheese product, said food product containing an amount of nisin or a nisin-producing culture sufficient to inhibit botulinum spore growth.
Claim 10
Dependent Claim
17 words
The food product as claimed in claim 7 containing at least 2,000 IU (50 ppm) of nisin.
Claim 11
Dependent Claim
65 words
A process for controlling the growth of Clostridium botulinum spores and the elaboration of botulinum toxin therefrom in a food product selected from the group consisting of tomato products, cold meat products and wet fish systems, said process comprising adding to said food product from about 2,000 to about 10,000 International Units of nisin or a nisin-producing culture per gram to inhibit botulinum spore growth.
Claim 12
Dependent Claim
65 words
A process for controlling the growth of Clostridium botulinum spores and the elaboration of botulinum toxin therefrom in a food product selected from the group consisting of tomato products, cold meat products and wet fish systems, said process comprising adding to said food product from about 2,000 to about 10,000 International Units of nisin or a nisin-producing culture per gram to inhibit botulinum spore growth.
Claim 13
Dependent Claim
30 words
The process as claimed in claim 9 in which an amount of at least 2,000 International Units (50 ppm) of nisin is added or incorporated per gram of food product.
Claim 14
Dependent Claim
30 words
The process as claimed in claim 10 in which an amount of at least 4,000 International Units (100 ppm) of nisin is added or incorporated per gram of food product.
Claim 15
Dependent Claim
29 words
A process as claimed in claim 10 in which an amount up to 12,000 International Units (300 ppm) of nisin is added or incorporated per gram of food product.
Claim 16
Dependent Claim
16 words
The process as claimed in claim 9 in which the food product is a tomato product.
Claim 17
Dependent Claim
17 words
The process as claimed in claim 9 in which the food product is a wet fish system.
Claim 18
Dependent Claim
17 words
The process as claimed in claim 9 in which the food product is a cold meat product.
Claim 19
Dependent Claim
15 words
The process as claimed in claim 15 in which the product is chicken frankfurter emulsion.
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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) | 1989-06-30 | 1989-12-30 | 1990-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-30 | 1993-12-30 | 1994-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-30 | 1997-12-30 | 1998-07-01 | $7700.00 | Window Closed / Lapsed |