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( 12 ) United States Patent ( 10 ) Patent No .: US 10,893,673 B2 Silvernail Et Al

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( 12 ) United States Patent ( 10 ) Patent No .: US 10,893,673 B2 Silvernail Et Al US010893673B2 ( 12 ) United States Patent ( 10 ) Patent No .: US 10,893,673 B2 Silvernail et al . ( 45 ) Date of Patent : Jan. 19 , 2021 ( 54 ) QUATERNARY DISINFECTANT ( 52 ) U.S. CI . COMPOSITION WITH ANIONIC SCALE CPC AOIN 25/22 ( 2013.01 ) ; AOIN 25/02 INHIBITING AGENT ( 2013.01 ) ; A01N 33/04 ( 2013.01 ) ; AOIN 33/12 ( 2013.01 ) ; AOIN 57/20 ( 2013.01 ) ( 71 ) Applicant: ECOLAB USA INC , Saint Paul, MN ( 58 ) Field of Classification Search ( US ) CPC A01N 25/22 ; AOIN 25/02 ; A01N 57/20 ; AOIN 33/04 ; AO1N 33/12 ( 72 ) Inventors: Carter M. Silvernail, Saint Paul , MN See application file for complete search history . ( US ) ; Stefan Jaeger , Saint Paul , MN ( US ) ; Erin J. Dahlquist Howlett , Saint ( 56 ) References Cited Paul , MN ( US ); Michael Decker , Saint Paul , MN ( US ) U.S. PATENT DOCUMENTS 6,395,698 B1 5/2002 Daun et al . ( 73 ) Assignee : Ecolab USA Inc. , Saint Paul, MN (US ) 2011/0086791 A1 4/2011 Notte et al . 2016/0015030 A1 1/2016 Vanlaer ( * ) Notice : Subject to any disclaimer , the term of this patent is extended or adjusted under 35 FOREIGN PATENT DOCUMENTS U.S.C. 154 ( b ) by 0 days. EP 0343605 A1 11/1989 EP 1277403 B1 9/2005 ( 21 ) Appl. No .: 16 / 163,417 WO 2009080498 A1 7/2009 WO 2012121964 Al 9/2012 ( 22 ) Filed : Oct. 17 , 2018 WO 2015078496 Al 6/2015 Primary Examiner Robert S Cabral ( 65 ) Prior Publication Data ( 74 ) Attorney , Agent, or Firm — McKee , Voorhees & US 2019/0183117 A1 Jun . 20 , 2019 Sease , PLC ( 57 ) ABSTRACT Related U.S. Application Data The present invention relates to quaternary ammonium disinfecting cleaner compositions comprising a quaternary ( 63 ) Continuation of application No. 15 / 171,828 , filed on ammonium compound , an antimicrobial amine, and an Jun . 2 , 2016 , now abandoned . anionic scale inhibitor. Beneficially, the compositions pro ( 51 ) Int. Ci . vide sanitizing efficacy without diminished performance and AOIN 25/22 ( 2006.01 ) without scale formation when diluted with hard water. The AOIN 33/04 ( 2006.01 ) compositions are suitable for inactivating and / or reducing A01N 33/12 ( 2006.01 ) infectious agents, particularly Norovirus, Adenovirus, and AOIN 25/02 ( 2006.01 ) Polyomavirus. A01N 57/20 ( 2006.01 ) 34 Claims , 13 Drawing Sheets U.S. Patent Jan. 19 , 2021 Sheet 1 of 13 US 10,893,673 B2 Example 1 Example 1 Example 1 30gpg initial Cloudy 30gpg 6hr Cloudy , ppt Sit Hazy , ppt very slightly hazy , ppt U.S. Patent Jan. 19 , 2021 Sheet 2 of 13 US 10,893,673 B2 Example 2 Example 2 Cear , slight film Slightly hazy, slight film Example 2 Example 2 30gog 6hr Clear, slight film U.S. Patent Jan. 19 , 2021 Sheet 3 of 13 US 10,893,673 B2 Example 3 2.00 % Example 3 30gpg initial 30gog 6hr Hazy U.S. Patent Jan. 19 , 2021 Sheet 4 of 13 US 10,893,673 B2 Example 4 2.00 % Example 4 Example 4 30gpg initial Slightly hazy Example 4 30gpg 5hr 2.00 % Cloudy , ppt Hazy , opt U.S. Patent Jan. 19 , 2021 Sheet 5 of 13 US 10,893,673 B2 Example 6 Example 6 Example 6 Example 6 30gpg 6hr Slightly Hazy Slightly Hazy U.S. Patent Jan. 19 , 2021 Sheet 6 of 13 US 10,893,673 B2 Example 8 Example 8 Example 8 30gpg 6hr U.S. Patent Jan. 19 , 2021 Sheet 7 of 13 US 10,893,673 B2 Example 9 0.50 % Example 9 2.00 % 4.00 % 30gpe initial Example 9 0.50 % 2.00 % U.S. Patent Jan. 19 , 2021 Sheet 8 of 13 US 10,893,673 B2 Example 10 Example 10 Example 10 30gpg 6hr U.S. Patent Jan. 19 , 2021 Sheet 9 of 13 US 10,893,673 B2 Example 11 Example 11 30gpg initial Very hazy Example 11 30gpg 6hr hazy , got clear, ppt U.S. Patent Jan. 19 , 2021 Sheet 10 of 13 US 10,893,673 B2 Example 12 Example 12 Example 12 30gpg initial Example 12 U.S. Patent Jan. 19 , 2021 Sheet 11 of 13 US 10,893,673 B2 Example 13 Example 13 2.00 % Example 13 2.00 % Slightly hazy Example 13 30gpg 6hr Sit hoc , pot sit foc , ig ppt U.S. Patent Jan. 19 , 2021 Sheet 12 of 13 US 10,893,673 B2 Example 14 0.50 % 2.00 % 4.00 % Gear Example 14 0.50 % 2.00 % 4.00 % Example 14 30gpg 6hr FIG . 12 U.S. Patent Jan. 19 , 2021 Sheet 13 of 13 US 10,893,673 B2 Example 15 30gpg water Very hazy precipitate very hazy precipitate Example 16 30 gpg water 0.50 % Example 17 30gpg water Very hazy precipitate very hazy precipitate Example 18 30 gpg water US 10,893,673 B2 1 2 QUATERNARY DISINFECTANT tant, they have acceptable efficacy against some organisms COMPOSITION WITH ANIONIC SCALE ( e.g. Staphylococcus aureus ), but often fall short in efficacy INHIBITING AGENT against mycobacteria and viruses . Thus, other harsher dis infectant or sporicidal products, such as Sodium chlorite CROSS - REFERENCE TO RELATED 5 (NaC102 ), ozone , H202 and peracetic acids are often used APPLICATIONS when mycobactericidal and virucidal efficacy is required . Recently, a disinfecting cleaning composition was devel This is a Continuation Application of nonprovisional U.S. oped which comprises at least one quaternary ammonium application Ser . No. 15 / 171,828 , filed Jun . 2 , 2016 , which is chloride of N - alkyl dimethyl benzyl ammonium chloride herein incorporated by reference in its entirety. 10 and at least one bis ( 3 - aminopropyl ) alkylamine ( WO 2015 / 078496 ) . This cleaning composition is material non -destruc FIELD OF THE INVENTION tive and has a rapid and high level of tuberculocidal and mycobactericidal efficacy and a rapid and high level of The present invention relates to quaternary amine disin- efficacy against Norovirus, Adenovirus and Polyomavirus . fectant cleaning compositions containing anionic scale 15 However, there is a need for such cleaners to be used with inhibiting agents. In particular, the present invention relates hard water to form clear, diluted use solutions without to anionic scale inhibitor compositions that can be used at forming hard water scale . low concentrations in quaternary amine based formulations without causing formulation incapability or comprised effi BRIEF SUMMARY OF THE INVENTION cacy while avoiding scale formation . The compositions of 20 the present invention can be used for cleaning and disin- The present invention is directed to a disinfectant cleaner fecting surfaces in one step combining antimicrobial efficacy composition comprising: with short contact times . a ) at least one biocidal quaternary ammonium compound ; b ) at least one antimicrobial amine ; and BACKGROUND OF THE INVENTION 25 c ) an anionic scale inhibitor. Applicants have identified scale inhibiting agents which Microbes may often be present on many common objects are effective for preventing scale build up in quaternary and surfaces in everyday life . Microbes can include, for based disinfectant compositions without comprising effi example , bacteria, fungi, spores , viruses, prions, microor- cacy . The compositions of the invention utilize new anionic ganisms such as , e.g. , Mycobacterium tuberculosis, Listeria 30 scale inhibitors that allow for the production of effective use monocytogenas, Escherichia coli, Pseudomonas aerugi- solutions that remain clear even when hard water is utilized . nosa , Salmonella typhimurium , Salmonella enteritidis , According to the invention , the ratio of biocidal quater Yersinia pestis, Staphylococcus aureus, Bacillus subtilis, nary ammonium to antimicrobial amine is in the range of Enterobacter aerogenes Streptococcus faecalis, Legionella about 0.1 : 1 to about 1 : 1 . This ratio has been shown to be pneumophila, Vibrio parahaemolyticus, Bacillus cereus, and 35 material non - destructive, with a rapid and high level of other gram positive and gram negative bacteria. Several such tuberculocidal and mycobactericidal efficacy and / or a rapid microbes /microorganisms , individually or in combination , and high level of efficacy against Norovirus, Adenovirus, can cause illness or other health problems, for example, and Polyomavirus. According to the invention , an anionic when they come into contact with humans and / or animals, or scale inhibitor is added in a small but effective amount, to when they are ingested along with food which has contacted 40 avoid instability of the composition or precipitation of the them . These microbes present health hazards due to infec- scale inhibitor . Typically the amount of anionic scale inhibi tion or contamination . When microorganisms are present on tor is from about 0.001 wt- % to about 10 wt- % for effective the surface of a substrate they can replicate rapidly to form scale inhibition without any deleterious effect on disinfect colonies . The microbial colonies form a coating on the ing activity. The invention may also include phenoxy substrate surface which is known as a biofilm . Biofilms 45 alkanols, corrosion inhibitors, surfactants, chelants , sol frequently consist of a number of different species of micro- vents , and the like. organisms which in turn can be more difficult to eradicate The disinfectant cleaner composition of the invention can and thus more hazardous to health than individual microor- be used for inactivating and / or reducing infectious agents, ganisms. Some microorganisms also produce polysaccha- comprising bacteria , virus, and / or yeasts , on hard and / or soft ride coatings, which makes them more difficult to destroy. 50 surfaces, preferably for inactivating tuberculosis causing For example , hospitals and other medical facilities may have organism or other pathogens from the group of mycobacte a particular need for sterile and / or uncontaminated surfaces, ria . both in surgical and general medical areas as well as in In particular, the disinfectant cleaner composition of the convalescence facilities, where patient exposure may be invention can be used for activating and / or reducing virus on significant and resistance to such microbes may be lowered . 55 hard and / or soft surfaces , preferably for inactivating and / or Much time and effort can be spent, for example , on reducing Adenovirus and / or Norovirus and / or viruses of the disinfecting and sterilizing medical instruments , testing Polyomavirus and / or Papillomavirus - group .
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