Patents Assigned to Ecolab
  • Use of cationic sugar-based compounds as corrosion inhibitors in a water system
    Patent number: 11155480
    Abstract: Described herein are the methods of using a cationic alkyl polyglycoside in a corrosion control composition to reduce corrosion for metal surfaces in a water system. The described methods or compositions are found to be effective than those methods or compositions including commonly used corrosion inhibitors for water systems.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: October 26, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Jeremy Moloney, Ashish Dhawan, Carter M. Silvernail
  • Method for improving overflow clarity in production of coal
    Patent number: 11155478
    Abstract: A transitional treatment composition and methods of treating coal refuse are provided. The transitional treatment composition comprises an anionic acrylate-acrylamide copolymer having from about 30 mole percent to about 50 mole percent (meth)acrylate, from about 50 mole percent to about 70 mole percent (meth)acrylamide, and a reduced specific viscosity of from about 18 dL/g to about 30 dL/g. The transitional treatment composition can be made down in an aqueous liquid.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: October 26, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Christopher Ryan Greulich, Kevin McDonald, Weiguo Cheng
  • Corrosion control compositions and methods of mitigating corrosion
    Patent number: 11155927
    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: Grant
    Filed: September 4, 2019
    Date of Patent: October 26, 2021
    Assignee: ECOLAB USA INC.
    Inventors: Jasbir S. Gill, Danilo Zim, Matheus Paschoalino
  • Tetracarboxylic acid combinations for corrosion inhibition
    Patent number: 11149202
    Abstract: Corrosion inhibitors and methods for reducing or inhibiting corrosion of metals in aqueous systems are provided. Corrosion inhibitor compositions may include tetracarboxylic acids, such as butane tetracarboxylic acid. The compositions may include other components, such as zinc, molybdate, silicate, cerium, among others. The compositions may also include polymers or oligomers. The corrosion inhibitor compositions produced synergistic results and unexpectedly low corrosion rates.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 19, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Santanu Banerjee, Anand Harbindu, Jeffery M. Atkins, Peter E. Reed, Jasbir S. Gill, Bingzhi Chen
  • Two components disinfecting composition containing peracetic acid and chelating agent
    Patent number: 11140896
    Abstract: The invention relates to a disinfectant composition comprising: (A) a peracetic acid-generating component comprising acetic acid, hydrogen peroxide and an organic phosphonic acid; and (B) a stabilizer component comprising an alkaline agent and a chelating agent, wherein the chelating agent is selected from the group consisting of N,N-bis(carboxymethyl)L-glutamic acid, methylglycine diacetic acid, nitrilotriacetic acid, and alkali metal salts thereof, and a mixture of two or more thereof and to the aqueous disinfectant solution obtainable by mixing and diluting components (A) and (B) in water. The invention further relates to a method of disinfecting surface and instruments, particularly flexible endoscopes, using said aqueous disinfectant solution.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: October 12, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Laurence Geret, Michael Decker, Stefan Jäger
  • Asphaltene-inhibiting method using aromatic polymer compositions
    Patent number: 11142713
    Abstract: The present invention generally relates to nonylphenol-free alkoxylated 4-(alkyloxy)phenol/aldehyde resins and processes for making alkoxylated 4-(alkyloxy)phenol/aldehyde resins. The invention also relates to methods of breaking emulsions of oil and water comprising the dosing of an effective amount of an emulsion breaker composition into a stable emulsion to destabilize the emulsion, wherein the emulsion breaker composition comprises an alkoxylated 4-(alkyloxy)phenol/aldehyde resin.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: October 12, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Omer Gul, Michael L. Braden, Ashish Dhawan
  • Use of propoxylated surfactant or polymer in foaming applications to control viscoelasticity in highly active liquid formulations
    Patent number: 11136533
    Abstract: Antimicrobial or non-antimicrobial compositions, sanitizing compositions and other compositions combining use of a propoxylated EO/PO block copolymer surfactant and/or propoxylated polymer in combination with at least one additional anionic and/or nonionic surfactant to provide concentrated compositions having a desired viscoelasticity at an active level of at least 18% are disclosed. Non-antimicrobial applications combining use of a propoxylated surfactant and/or propoxylated polymer in combination with at least one additional anionic and/or nonionic surfactant to provide compositions having a desired viscoelasticity are also disclosed. Methods of using concentrated and use compositions having desired foaming enhancement and stabilization are also disclosed.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: October 5, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Victor Fuk-Pong Man, Derrick Richard Anderson, Amanda R. Blattner
  • Mop bucket
    Patent number: 11134822
    Abstract: A mop bucket includes a mop body with first and second compartments. The first compartment includes a sump region that is sized for receiving a portion of a floor care tool to best utilize the floor care tool and the contents of the mop bucket. A wringer assembly is attached to the mop bucket for cleaning the floor care tool and separating used cleaning supplies from unused. The mop bucket can include an insert for receiving the used cleaning supply to more easily dispose of the same. Tool hooks and floor sign attachments can also be included with the mop bucket such that the bucket provides all tools for use thereof.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: October 5, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Eric R. Balz, Eric Gingras, Scott Latimer
  • Cleaning compositions and methods for removing baked on grease from fryers and other hot surfaces
    Patent number: 11136536
    Abstract: Cleaning compositions and methods of use thereof for cleaning fryers and other hard surfaces soiled by grease, shortening, oils and other soils commonly encountered in the food service industry are disclosed. Cleaning compositions and methods of use which beneficially remove soils from vertical and/or inverted surfaces, reduce the cleaning time required for removing such difficult to remove and baked on soils, reduce exposure to hot surfaces by allowing cleaning at or near room temperature, reduce exposure to caustic chemicals, and/or eliminate the need for personal protective equipment (PPE) for use of the cleaning compositions are disclosed.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 5, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Clinton Hunt, Jr., Benjamin Conway, Victor Fuk-Pong Man, Nathan D. Peitersen, Tsvetelina Baryakova, Owen Kinsky, Kimberly D'Aloia, Deborah Ihns
  • Recycling automotive phosphate rinse water stream
    Patent number: 11136246
    Abstract: The present disclosure relates to recycling automotive phosphate rinse water. An apparatus and method is disclosed for treating process water containing phosphate. The apparatus may include a process water line. The process water line may be in fluid communication with a sample process water line. The sample process water line may be in fluid communication with a dilution line. The sample process water line, the dilution line, and a phosphate analyzer may be in fluid communication with a diluted process water line. The apparatus may also include a chemical additive feed line in fluid communication with the process water line downstream from the sample process water line.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: October 5, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Daniel M. Williams, Tony Veljan Mackovski, Bruce Tait, Joseph Peter Miknevich, Alex Michael Bogda, Aarthi Narayanan, William A. Von Drasek
  • Solid detergent compositions and methods of adjusting the dispense rate of solid detergents using solid anionic surfactants
    Patent number: 11136529
    Abstract: A method of adjusting dispense rate of a solid detergent block of a detergent composition is described here. A solid detergent block is produced from this method may have a predetermined dispense rate or a comparable dispense rate as a solid detergent block produced by extruding method. A process for producing a solid detergent block and a solid detergent composition are also disclosed.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: October 5, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Erik C. Olson, Chelsea Pettit, Matt Molinaro
  • GALVANIZED METAL CORROSION INHIBITOR COMPOSITIONS AND METHODS OF USE
    Publication number: 20210301151
    Abstract: A method of preventing formation of rust on a metal surface is provided. The method may include applying a polyamine onto the metal surface and applying a compound of formula (I) or salt thereof onto the metal surface. The compositions and methods disclosed herein may be used to inhibit corrosion of a metal surface in contact with an aqueous system.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 30, 2021
    Applicant: ECOLAB USA INC.
    Inventors: Steven R. HATCH, Jothibasu SEETHARAMAN, Ashish DHAWAN, Carter M. SILVERNAIL, Santanu BANERJEE, Pradeep CHERUKU
  • Detergent composition and methods of preventing aluminum discoloration
    Patent number: 11130928
    Abstract: Detergent compositions designed to prevent aluminum discoloration while providing high cleaning performance on soils and stains are disclosed. Detergent compositions substantially free of nitrilotriacetic acid (NTA) are disclosed. Methods of using the detergent compositions are also disclosed.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 28, 2021
    Assignee: Ecolab USA Inc.
    Inventors: John Mansergh, Lisa M. Sanders, Carter M. Silvernail
  • Thermal valve
    Patent number: 11130105
    Abstract: A method and apparatus for obtaining a solution from a solid product in contact with a liquid is provided. A solid product is housed within a dispenser. A liquid is introduced into contact with the solid product. The solution formed between the solid product and the liquid is collected, and a makeup liquid can be added thereto to further dilute or control the concentration of the formed solution. The amount of makeup liquid added to the solution can be controlled based on the temperature of the liquid to provide an automatic, continuously variable amount of liquid added to the solution. In addition, a method of providing a pressure independent control of the makeup liquid is also provided.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 28, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Ryan Joseph Drake, Andrew Max Schultz, Jessica Roseanne Tumini, Kevin Andrew Wuebben, Jeffrey Alan Blansit, Ariel Chatman Kleczewski
  • Low risk chlorine dioxide onsite generation system
    Patent number: 11130677
    Abstract: The present disclosure generally relates to producing chloride dioxide. A chlorine dioxide reactor, methods for producing chlorine dioxide, and treating aqueous systems are disclosed. The reactor may include a mixing device, a first feed line in fluid communication with the mixing device, and a second feed line in fluid communication with 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: September 28, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Kun Xiong, Felice DiMascio, Nicholas Ryan Denny, Shawn Dalke
  • Acidic biofilm remediation
    Patent number: 11122803
    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: November 20, 2019
    Date of Patent: September 21, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Gregory G. Griese, Mark Levitt, Richard K. Staub, Stefanie Gilbreth
  • Solid rinse aid composition comprising polyacrylic acid
    Patent number: 11118140
    Abstract: Solid rinse aid compositions, methods of use, and methods of making said composition are disclosed. Rinse aid is provided by a solidification agent, a sheeting agent, a defoamer component, and a polyacrylic acid homopolymer or alkali metal salt thereof forming a solid compositions. Preferred solidification agents include aromatic sulfonates. Preferred sheeting agents include one or more alcohol ethyoxylates. Preferred defoamer components include a polymer compound including one or more ethylene oxide groups. The solid rinse aid compositions are preferably substantially free of sulfate and sulfate-containing compounds.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: September 14, 2021
    Assignee: ECOLAB USA INC.
    Inventors: Carter M. Silvernail, Erik C. Olson
  • Cold flow additive for middle distillate fuels
    Patent number: 11118126
    Abstract: Disclosed are cloud point depressants and methods of making and using them. The disclosed cloud point depressants comprise copolymers of an unsaturated anhydride polymerized with alkyl ?-olefins and then contacted with a phenyl alkyl alcohol or alkyl phenol alkoxylate, fatty alcohol and primary or secondary fatty amine to provide a cloud depressant reaction product. When the disclosed reaction products are added to middle distillate fuels or blends of middle distillate fuels with biodiesel, the cloud point depressants inhibit the precipitation of waxes and/or biowaxes in the fuels and the fuels exhibit reduced precipitation, gelling, and/or crystallization when subjected to low or cold temperatures.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: September 14, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Xiaojin Harry Li, Nestor U. Soriano, Jr., Heinrich Bode
  • Aqueous antimicrobial film-forming composition for teat treatment by spray application
    Patent number: 11116215
    Abstract: The present invention is directed to a sprayable aqueous antimicrobial film-forming composition comprising in an aqueous base: (a) a film-forming polymer; (b) an antimicrobial agent; (c) a hydrophobically-modified ethoxylated urethane as rheology modifier; (d) optionally, an anti-foaming agent. Further, the present invention refers to the use of the composition for controlling mastitis in milk producing animals and a method for controlling mastitis in milk producing animals comprising applying by spraying the composition to a teat.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: September 14, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Tillmann Kleine, Jonathan Scott Killeen, Helen Breiderhoff, Michael Schneider
  • Peroxyformic acid compositions for membrane filtration cleaning
    Patent number: 11117172
    Abstract: Peroxyformic acid compositions for removal of biofilm growth and mineral deposits on membranes are disclosed. In particular, peroxyformic acid compositions are generated in situ or on site generation for the reduction and prevention, of biofilms and the mitigation of mineral buildup on the membranes. The compositions according to the invention are compatible with the membranes under application of use conditions.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: September 14, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Junzhong Li, Cynthia Bunders, Richard K. Staub, Paul Frazer Schacht, Caleb Power