US4044160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antimicrobial and antirancidity agent
Assignee: JBS USA LLC
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Filing: 1976-06-15
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Granted: 1977-08-23
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Expires: 1996-06-15
Abstract
Abstract An aqueous composition includes a normally biodegradable component and contains tertiary butyl hydroquinone to inhibit microbial growth. Oxidative rancidity is also controlled when the composition has a fat or oil content. A method is described which adds tertiary butyl hydroquinone to aqueous biodegradable materials in concentrations that inhibit microbial growth.
Inventors
- 👤 David R. Erickson
- 👤 Robert B. Tompkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:27
CPC Classifications
A; A23; A23B; A23B11/00; A23B11/10; A23B11/18; A01; A01N; A01N31/00; A01N31/08; A01N31/16; A23B2/00; A23B2/70; A23B2/725; A23B2/729; C; C11; C11B; C11B5/00; C11B5/0021; C11B5/0035
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
118 words
An aqueous composition having an improved microbial shelf life, consisting essentially of an aqueous material, with or without fat, said aqueous material containing water and a biodegradable material in which microbial growth normally occurs, and further including tertiary butyl hydroquinone, said tertiary butyl hydroquinone being present at bacteriostatic concentrations to inhibit the growth of microorganisms in said aqueous material, said bacteriostatic concentrations in the aqueous material being greater than concentrations known to inhibit oxidative rancidity and being at least about 0.005 weight percent based on the total weight of the aqueous material, said oxidative rancidity inhibiting concentrations being not more than 0.02 weight percent of the fat content of the aqueous material when the aqueous material contains fat.
Claim 2
Dependent Claim
118 words
An aqueous composition having an improved microbial shelf life, consisting essentially of an aqueous material, with or without fat, said aqueous material containing water and a biodegradable material in which microbial growth normally occurs, and further including tertiary butyl hydroquinone, said tertiary butyl hydroquinone being present at bacteriostatic concentrations to inhibit the growth of microorganisms in said aqueous material, said bacteriostatic concentrations in the aqueous material being greater than concentrations known to inhibit oxidative rancidity and being at least about 0.005 weight percent based on the total weight of the aqueous material, said oxidative rancidity inhibiting concentrations being not more than 0.02 weight percent of the fat content of the aqueous material when the aqueous material contains fat.
Claim 3
Dependent Claim
26 words
The composition of claim 1, wherein said bacteriostatic concentration is at least about 0.01 weight percent tertiary butyl hydroquinone based on the weight of aqueous material.
Claim 4
Dependent Claim
27 words
The composition of claim 1, wherein said bacteriostatic concentration is at least about 0.02 weight percent tertiary butyl hydroquinone based on the weight of the aqueous material.
Claim 5
Dependent Claim
38 words
The composition of claim 1 wherein said aqueous material is pasteurized fluid whole milk, and said bacteriostatic concentration is at least about 0.005 weight percent tertiary butyl hydroquinone based on the weight of the pasteurized fluid whole milk.
Claim 6
Dependent Claim
34 words
The composition of claim 1, wherein said bacteriostatic concentration is within the approximate range of from about 0.01 to about 0.1 weight percent tertiary butyl hydroquinone, based upon the weight of the aqueous material.
Claim 7
Dependent Claim
28 words
The composition of claim 1, wherein said aqueous material also contains fat or oil, and oxidative rancidity thereof is inhibited by said bacteriostatic concentrations of tertiary butyl hydroquinone.
Claim 8
Independent Claim
90 words
A method for inhibiting the development of microorganisms in an aqueous material, said method comprising adding a microorganism growth inhibitor to an aqueous material, said aqueous material containing water and being a biodegradable material in which microbial growth normally occurs, said microorganism growth inhibitor consisting essentially of tertiary butyl hydroquinone at a bacteriostatic concentration that inhibits microbial growth in said aqueous material, said bacteriostatic concentration in the aqueous material being greater than the concentration known to inhibit oxidative rancidity and being based on the total weight of the aqueous material.
Claim 9
Independent Claim
90 words
A method for inhibiting the development of microorganisms in an aqueous material, said method comprising adding a microorganism growth inhibitor to an aqueous material, said aqueous material containing water and being a biodegradable material in which microbial growth normally occurs, said microorganism growth inhibitor consisting essentially of tertiary butyl hydroquinone at a bacteriostatic concentration that inhibits microbial growth in said aqueous material, said bacteriostatic concentration in the aqueous material being greater than the concentration known to inhibit oxidative rancidity and being based on the total weight of the aqueous material.
Claim 10
Dependent Claim
26 words
The method of claim 7, wherein said concentration is at least about 0.01 weight percent tertiary butyl hydroquinone based upon the weight of the aqueous material.
Claim 11
Dependent Claim
26 words
The method of claim 7, wherein said concentration is at least about 0.02 weight percent tertiary butyl hydroquinone based upon the weight of the aqueous material.
Claim 12
Dependent Claim
34 words
The method of claim 7, wherein said aqueous material is pasteurized fluid whole milk and said concentration is at least about 0.005 weight percent tertiary butyl hydroquinone based upon the weight of aqueous material.
Claim 13
Dependent Claim
27 words
The method of claim 7, wherein said bacteriostatic concentration of tertiary butyl hydroquinone likewise inhibits oxidative rancidity within a fat or oil present in said aqueous material.
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) | 1980-08-22 | 1981-02-21 | 1981-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-22 | 1985-02-21 | 1985-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-22 | 1989-02-21 | 1989-08-23 | $7700.00 | Window Closed / Lapsed |