Patents Assigned to Ecolab
  • Electrochemical enhancement of detergent alkalinity
    Patent number: 10526713
    Abstract: A device for in-situ production of caustic and increasing alkalinity of a detergent and methods for increasing alkalinity of a detergent are disclosed. In particular, in situ electrochemical conversion of bicarbonate, sesquicarbonate or carbonate sources into caustic provides a safe means for increasing alkalinity of a detergent for a variety of cleaning applications. The invention further discloses methods for cleaning using the electrochemically enhanced detergent according to the invention.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: January 7, 2020
    Assignee: Ecolab USA Inc.
    Inventors: Kim R. Smith, Erik C. Olson
  • Acidic biofilm remediation
    Patent number: 10517293
    Abstract: Methods and compositions for biofilm remediation are disclosed. Biofilm is reduced and removed from soiled surfaces by providing to a surface in need an effective amount of a composition comprising a biocidal surfactant and at least one organic solvent. According to the invention, the biofilm remediation compositions reduce and remove biofilm formation by administering a one-step cleaner and disinfectant. The biofilm remediation compositions are stable and effective in concentrated and diluted ready-to-use formulations comprising an anionic sulfated or sulfonated surfactant that is not an organocarboxylic acid, a sparingly soluble organic solvent and optionally a soluble organic solvent.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Gregory G. Griese, Mark Levitt, Richard K. Staub, Stefanie Gilbreth
  • Synergistic stain removal through novel MGDA/GLDA/phosphate/carbonate chelator combination
    Patent number: 10519404
    Abstract: The invention relates to a concentrated detergent composition comprising an alkali metal carbonate, methylglycinediacetic acid, glutamic acid N,N-diacetic acid, and alkali metal tripolyphosphate. The composition is particularly suited to remove tea and coffee soil in warewashing applications.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Tobias Foster, David W. Gohl, Sven Klose, Dirk Kullwitz, John Mansergh, Timothy Meier, Beana Pathicheril
  • Sanitary cleaner
    Patent number: 10519403
    Abstract: The invention relates to an aqueous sanitary cleaning composition comprising a sulfamic acid in an amount of about ?10 wt.-%, isotridecanol ethoxylate in an amount of about less than 3 wt.-%, a perfume in an amount in a range of about ?0.2 wt.-% to ?0.5 wt.-%, and water, wherein the wt.-% of the components are based on the total weight of the sanitary cleaning composition, and wherein the perfume comprises at least one of the compounds according to the general formulas I, II and III, and/or a compound according to the general formula IV.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Andrea Schwerter, Thomas T. Hansen
  • Water-soluble pyrazole derivatives as corrosion inhibitors
    Patent number: 10519116
    Abstract: Disclosed are nitrogen-containing heterocyclic compounds of relatively low aquatic toxicity and methods of using the heterocyclic compounds as corrosion inhibitors. The present method is used to inhibit corrosion of a metal surface in contact with an aqueous system using pyrazole derivatives, and provides enhanced protection against corrosion of metals in aqueous systems. The method comprises the use of corrosion inhibitors that are generally resistant to halogen attack and provide good corrosion resistance in the presence of oxidizing halogen-based biocides. Formulations comprising pyrazole derivatives are also disclosed.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Anand Harbindu, Jothibasu Seetharaman, Jeffery M. Atkins, Deepak Rane, Vaideeswaran Sivaswamy
  • Polymer for pitch and stickies deposition control in papermaking
    Patent number: 10519602
    Abstract: An acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s) is provided. The acrylamide-based polymer can be used in a papermaking process to reduce pitch and stickies deposition, improve retention and drainage, and enhance dry strength properties of paper. Also included is a method of controlling pitch and stickies deposition in papermaking comprising treating pulp slurry with an acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s).
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Xiaojin Harry Li, Sergey M. Shevchenko, Ross Gray, Robert M. Lowe, David Jordan, Zhengang Zong
  • Antimicrobial foaming compositions containing cationic active ingredients
    Patent number: 10517806
    Abstract: The antimicrobial foaming composition of the present invention comprises a cationic active ingredient, a cationic compatible surfactant, a foam booster, a foam structure enhancing agent, dermal adjuvants, and a carrier. The present antimicrobial compositions are free of the antimicrobial agents triclosan (i.e., 2,4,4?-trichloro-2?hydroxy-diphenylether) and lower alcohols. They are also free of anionic surfactants. The foaming compositions have rapid cidal activity, provide stable, copious foam, and exhibit enhanced tissue (e.g. skin) compatibility.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: December 31, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Hilina Emiru, Cheryl A. Littau, Joseph R. Wegner, Daniel E. Pedersen, Mai Le, Amanda L. Wessinger
  • CORROSION CONTROL COMPOSITIONS AND METHODS OF MITIGATING CORROSION
    Publication number: 20190390351
    Abstract: Corrosion inhibitor compositions are provided that can include a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, optionally a dispersant, and hydroxyphosphono acetic acid and/or salts thereof. Methods of mitigating or inhibiting corrosion of housing or conduits containing aqueous mediums are also disclosed. The methods can include the steps of pretreating the metal conduit with a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, and hydroxyphosphono acetic acid, introducing an aqueous medium into the metal conduit, and injecting a mixture of one or more transition metals, one or more organic phosphates, one or more inorganic phosphates, and hydroxyphosphono acetic acid and/or salts thereof into the aqueous medium.
    Type: Application
    Filed: September 4, 2019
    Publication date: December 26, 2019
    Applicant: ECOLAB USA INC.
    Inventors: Jasbir S. Gill, Danilo Zim, Matheus Paschoalino
  • Chemical additives to improve oil separation in stillage process operations
    Patent number: 10513669
    Abstract: The invention provides methods and compositions for recovering oil from stillage. The method comprises the addition of a surfactant and a microparticle comprising hydrophilic silica to a grain to ethanol stillage. The methods and compositions of the present invention release oil trapped in solid aggregates, increasing the total amount of oil extracted from the stillage.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: December 24, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Lan Xiao, Xiaodong Huang, Xuejun Wang, Philip Eastin, Jason Van't Hul
  • Chlorine bleaching after peracid treatment
    Patent number: 10513673
    Abstract: A method for enhancing bleaching efficacy for treatment of articles, including for example laundry is disclosed. Methods for antimicrobial disinfecting and/or sanitizing and bleaching laundry and other articles is provided by washing the articles with a peroxyformic acid composition at a first pH for effective antimicrobial efficacy, thereafter applying an alkaline source to increase the pH for addition of a bleaching component. The methods can be provided as part of a laundry operation and can be utilized in industrial and commercial applications.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: December 24, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Jason Lang, Benjamin Crew, Jonathan P. Fast, Angela Becker, Steven Lundberg
  • Real time indicator for quaternary ammonium compound concentration
    Patent number: 10514367
    Abstract: The present disclosure generally relates to a color indicator that signals when the concentration of an antimicrobial solution changes. In some embodiments, the color indicator is specific for changes in the concentration of an antimicrobial quaternary ammonium compound in an antimicrobial solution. The color indicator can be incorporated into a variety of articles including towels, labels, containers, buckets, trays, sinks, spray bottles, liners for containers, buckets, sinks, or spray bottles, indictor wands or strips, and test kits.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: December 24, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Eric Balz, Kim R. Smith, Erik C. Olson, Sherri Tischler
  • ADDITION OF CAUSTIC SODA FOR IMPROVING DETACKIFIER STABILITY
    Publication number: 20190382600
    Abstract: The present disclosure provides stable, low chloride paint detackifier compositions. Also disclosed are methods of making the paint detackifier compositions and methods of using the paint detackifier compositions. The detakifier may be made from cationized starch and sodium aluminate. The starch can be wheat starch, corn starch, tapioca starch, potato starch, rice starch, sweet potato starch, sago starch, mung bean starch, arrowroot starch, and any combination thereof.
    Type: Application
    Filed: May 29, 2019
    Publication date: December 19, 2019
    Applicant: ECOLAB USA INC.
    Inventors: José Rafael Hernández Carucci, Joseph Peter Miknevich
  • Foaming alcohol compositions with selected dimethicone surfactants
    Patent number: 10499636
    Abstract: Foaming alcohol compositions with selected dimethicone surfactants are disclosed. The dimethicone surfactants are PEG-8 to PEG-12 linear dimethicone surfactants and in particular PEG-10 linear dimethicone surfactant. The compositions are useful as antimicrobial products and in particular handcare or skincare products.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: December 10, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Joseph R. Wegner, Cheryl A. Littau
  • Use of an encapsulated chlorine bleach particle to reduce gas evolution during dispensing
    Patent number: 10499647
    Abstract: The present disclosure relates to use of an encapsulated chlorine bleach to reduce gas evolution when reacted with sodium bromide during dispensing. The compositions include a coated chlorine combined with the sodium bromide which beneficially suppresses the chemical reaction, and therefore gas release, while providing a single, solid, all-in-one composition. Compositions, methods of dispensing and methods of use are disclosed.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: December 10, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Jonathan P. Fast, John Nordling
  • Methods of making acrylamide-acrylic acid copolymers
    Patent number: 10501625
    Abstract: A method of making acrylamide-acrylic acid copolymers in water-in-oil latices is described. The method results in a copolymer having randomly distributed carboxylate functionalities and is suitable for ionic crosslinking. The copolymers and their ionically crosslinked counterparts are useful for enhanced oil recovery processes.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: December 10, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Stephen Marrou, Xiangyang Zhu, Heqing Huang
  • Low risk chlorine dioxide onsite generation system
    Patent number: 10501345
    Abstract: The present disclosure generally relates to methods of treating process water using a reactor for generating chlorine dioxide onsite. The onsite generation system may include double ensured precursor feeding, effective reactor, automated control/alarm, and effective product delivery. The reactor may include a mixing device, a first feed line connected to the mixing device, and a second feed line connected to the mixing device. The reactor may include a proximal portion in fluid communication with the mixing device and a distal portion in fluid communication with a motive water line. The mixing device, the reactor, a portion of the first feed line, and a portion of the second feed line may be positioned within the motive water line.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: December 10, 2019
    Assignee: ECOLAB USA INC.
    Inventors: Kun Xiong, Emily Rader, James L. Jefferson, Felice DiMascio, Donald O'Brien, Nicholas Ryan Denny, Gary Tabor, David R. Papanek
  • Detergent composition that performs both a cleaning and rinsing function
    Patent number: 10501708
    Abstract: Industrial 2-in-1 cleaning compositions providing both detergency and rinseability in a single cleaning composition are disclosed. Alkali metal carbonate-based cleaning compositions and methods of both making and using the same provide user-friendly, solid, detergent compositions without the need for using a separate rinse aid composition. The compositions and methods are particularly well suited for use in industrial cleaning using alkali metal carbonate compositions that beneficially provide cleaning and rinseability in the rinse cycle.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: December 10, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Monique Roerdink Lander, Carter M. Silvernail, Erin Jane Dahlquist Howlett, Kerrie E. Walters
  • Wet Web Strength for Fiberglass Mats
    Publication number: 20190368122
    Abstract: Methods of and systems for treating a web of chopped nonwoven mineral fibers passing through a chopped nonwoven mineral fiber mat process are provided. The methods comprise spraying strength aid onto the web of chopped nonwoven mineral fibers in a forming section of the chopped nonwoven mineral fiber mat process. The systems comprise a first spray bar comprising a delivery conduit configured to provide a flow of strength aid at a flow rate to one or more nozzles in fluid communication with the delivery conduit. The one or more nozzles are configured to receive the strength aid from the delivery conduit and to spray of the strength aid onto the web of chopped nonwoven mineral fibers in the forming section of the chopped nonwoven mineral fiber mat process.
    Type: Application
    Filed: May 29, 2019
    Publication date: December 5, 2019
    Applicant: Ecolab USA Inc.
    Inventors: Adam Krause, James Rieck, David Lucas, Eric J. Ouderkirk, Janet R. Kirkman, Robert M. Lowe, Alexandra Knoth
  • Bleaching using peroxyformic acid and an oxygen catalyst
    Patent number: 10494591
    Abstract: A method for enhancing bleaching efficacy for treatment of articles, including for example laundry is disclosed. Methods for sanitizing and/or disinfecting and bleaching laundry and other articles is provided by washing the articles with a peroxyformic acid composition at a first pH for effective antimicrobial efficacy, thereafter applying an alkaline source to increase the pH for addition of a bleaching activator and/or catalyst for the bleaching agent at a second pH, and lastly draining the remaining components of the peroxyformic acid composition, and the bleaching agent and bleach activator/catalyst from the articles. The methods can be provided as part of a laundry cleaning operation and can be utilized in industrial and commercial applications.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: December 3, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Jason Lang, Benjamin Crew, Jonathan P. Fast, Angela Becker, Steven Lundberg
  • Warewashing composition containing alkanol amine phosphonate and methods of use
    Patent number: 10487295
    Abstract: Alkaline ware wash detergents containing an alkali metal alkalinity source and alkanol amine phosphonate scale inhibitors and methods of employing the same for superior cleaning efficacy and hard water scale control are disclosed. Alkanol amine phosphonates beneficially reduce scale build-up, including calcium carbonate scale build-up from alkaline detergents used with hard water sources. Methods of employing the detergent compositions are also disclosed.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: November 26, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Carter M. Silvernail, Erik C. Olson, Kerrie Walters