Antimicrobial compositions and methods of use thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-031/02
A01P-001/00
A01N-059/26
A01N-037/02
A01N-037/36
A01N-059/00
A61L-002/18
출원번호
US-0243460
(2008-10-01)
등록번호
US-9259006
(2016-02-16)
발명자
/ 주소
Lemons, Kel Eugene
출원인 / 주소
SmartWash Solutions, LLC
대리인 / 주소
Medlen & Carroll, LLP
인용정보
피인용 횟수 :
1인용 특허 :
25
초록▼
The invention provides antimicrobial compositions comprising one or more acid and one or more organic diol. In one embodiment, the invention's compositions have an acidic pH. The compositions may optionally further contain one or more oxidizing agent (including stabilized oxidizing agent and/or unst
The invention provides antimicrobial compositions comprising one or more acid and one or more organic diol. In one embodiment, the invention's compositions have an acidic pH. The compositions may optionally further contain one or more oxidizing agent (including stabilized oxidizing agent and/or unstabilized oxidizing agent), and/or one or more surfactant. In particular embodiments, the acid lacks one or both of —NH group and —NH2 group. The invention's compositions are useful in all stages of handling agricultural products, in hospitals, and in commercial and household applications.
대표청구항▼
1. An aqueous composition comprising a) from 0.001 wgt. % to 2 wgt. % phosphoric acid,b) from 0.01 wgt. % to 1 wgt. % propylene glycol, andc) from 0.01 wgt. % to 5 wgt. % chlorine, wherein said composition (i) has acidic pH and (ii) has antimicrobial activity. 2. The composition of claim 1, wherein
1. An aqueous composition comprising a) from 0.001 wgt. % to 2 wgt. % phosphoric acid,b) from 0.01 wgt. % to 1 wgt. % propylene glycol, andc) from 0.01 wgt. % to 5 wgt. % chlorine, wherein said composition (i) has acidic pH and (ii) has antimicrobial activity. 2. The composition of claim 1, wherein the amount of said phosphoric acid alone and said propylene glycol alone has lower antimicrobial activity compared to antimicrobial activity of a combination of said phosphoric acid and said propylene glycol. 3. The composition of claim 1, wherein said composition further comprises an additional oxidizing agent. 4. The composition of claim 3, wherein said additional oxidizing agent comprises an unstabilized oxidizing agent. 5. The composition of claim 3, wherein said composition comprises from 0.001 wgt. % to 30 wgt. % of said additional oxidizing agent. 6. The composition of claim 1, wherein said composition further comprises a surfactant. 7. The composition of claim 6, wherein said composition comprises from 0.001 wgt. % to 0.1 wgt. % surfactant. 8. The composition of claim 1, wherein said composition comprises from 0.01 wgt. % to 0.10 wgt. % phosphoric acid. 9. The composition of claim 1, wherein said composition comprises from 0.09 wgt. % to 0.15 wgt. % propylene glycol. 10. The composition of claim 1, wherein said composition comprises from 0.01 wgt. % to 1 wgt. % chlorine. 11. The composition of claim 1, wherein said composition is at a temperature from below said composition's freezing temperature to 120° C. 12. The composition of claim 1, wherein antimicrobial activity of (a) said phosphoric acid, (b) said propylene glycol, (c) said chlorine, (d) a combination of said phosphoric acid and of said propylene glycol, (e) a combination of said phosphoric acid and of said chlorine, and (f) a combination of said propylene glycol and of said chlorine, is lower than antimicrobial activity of a combination of said phosphoric acid, of said propylene glycol and of said chlorine. 13. An agricultural product having a surface film that comprises the aqueous composition of claim 1. 14. An agricultural product comprising a contacted surface that is produced by a method comprising a) providing i) a first surface comprising a first number of microbes, andii) an antimicrobially effective amount of a composition selected from the group consisting of the composition of claim 1 and the composition of claim 4, andb) contacting said first surface with said composition under conditions that produce a contacted surface comprising a reduced number of said microbes compared to said first number of said microbes on said first surface in the absence of said contacting. 15. A method for reducing discoloration of an agricultural product, comprising a) providing i) an agricultural product having a first surface,ii) an anti-discoloration effective amount of the composition of claim 1, andb) contacting said agricultural product with said composition under conditions that produce a contacted surface having reduced discoloration compared to discoloration of said first surface in the absence of said contacting. 16. The method of claim 14, wherein said contacting is at a temperature from 30° F. to 40° F. 17. The method of claim 16, wherein said contacted surface comprises a 100% reduced number of said microbes compared to said first number of said microbes on said first surface in the absence of said contacting. 18. The method of claim 14, wherein said agricultural product comprises one or more of fruit, vegetable, herb, seed, nut, meat, poultry, seafood, and poultry egg. 19. A method for making an aqueous antimicrobial composition that contains the composition of claim 1, comprising a) providing i) phosphoric acid,ii) propylene glycol, andiii) unstabilized chlorine,b) mixing said phosphoric acid and said propylene glycol in water to produce a first mixture, andc) mixing said chlorine with said first mixture to produce an aqueous antimicrobial composition that contains the composition of claim 1. 20. The method of claim 19, further comprising mixing a surfactant in said aqueous antimicrobial composition. 21. An aqueous antimicrobial composition produced by the method of claim 20. 22. A method for reducing the number of microbes on a surface, comprising a) providing i) a first surface comprising a first number of microbes, andii) an antimicrobially effective amount of the composition of claim 1, andb) contacting said first surface with said composition under conditions that produce a contacted surface comprising a reduced number of said microbes compared to said first number of said microbes on said first surface in the absence of said contacting. 23. The method of claim 22, wherein said first surface comprises a pathogenic microbe and a non-pathogenic microbe, and said reduced number of said microbes comprises a greater reduction in the number of said pathogenic microbes than in the number of said non-pathogenic microbes. 24. The method of claim 22, wherein said method further comprises c) drying said contacted surface to produce a dried surface comprising one or more of said acid and of said propylene glycol. 25. The method of claim 22, wherein said method further comprises c) washing said contacted surface under conditions that reduce the amount of one or more of said acid and of said propylene glycol on said contacted surface. 26. The method of claim 22, wherein said composition has a temperature from below said composition's freezing temperature to 120° C.
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