Patents Assigned to Lanxess Corporation
  • Patent number: 11959068
    Abstract: Compositions and methods are provided for use in controlling souring and corrosion causing prokaryotes, such as SRP, by treating oil and gas field environments or treatment fluids with a newly identified bacterial strain ATCC Accession No. PTA-124262 as a self-propagating whole cell that produces an anti-SRP bacteriocin in situ. In another aspect, the methods use one or more toxic peptides or proteins isolated therefrom in methods to control unwanted prokaryotic growth in these environments.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: April 16, 2024
    Assignee: Lanxess Corporation
    Inventors: Kathleen Manna, Ian A. Tomlinson, Abhiram Thatipelli, Christopher Janes, Elizabeth J. Summer
  • Publication number: 20240117252
    Abstract: A phosphorus-containing flame retardant is produced by preparing a reaction mixture, the reaction mixture including a phosphonic acid, a solvent for the phosphonic acid, and a metal or suitable metal compound, and reacting the phosphonic acid and the metal or suitable metal compound under conditions as described herein. The chemical composition of the resulting flame retardant product leads to excellent flame retardancy and exhibits high thermal stability. The presently disclosed flame retardants are useful, for example, in polymer compositions, particularly thermoplastics processed at high temperatures, over a wide range of applications.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 11, 2024
    Applicant: LANXESS CORPORATION
    Inventors: Julia Yue Lee, Simon J. Bonyhady, Qingliang He, Ramesh Sharma
  • Patent number: 11917993
    Abstract: An antimicrobial composition comprising 3-phenyl propanol or 2-methyl 3-phenylpropanol, or mixtures thereof, alone or in combination with an organic acid or salt thereof, or an alcohol, or mixtures thereof. Methods of preserving products and end-use applications for use of the inventive antimicrobial compositions are also provided.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: March 5, 2024
    Assignee: LANXESS Corporation
    Inventors: Stephen Finley Foster, Kelly Reed Pippine, James Anthony Proestos, Jr., Bradley Les Farrell, Julie O. Vaughn-Biege
  • Publication number: 20240059998
    Abstract: Improved organic anti-wear additive compositions are disclosed containing certain citric acid esters, e.g., mixtures comprising citrate oligomers, and fatty acid alkanolamides. The combination exhibits excellent and synergistic anti-wear activity in lubricants. The compositions of the invention beneficially allow one to reduce amounts of zinc and phosphorus that are often used in lubricants, while boosting anti-wear performance and maintaining, and often enhancing, friction reduction properties.
    Type: Application
    Filed: December 13, 2021
    Publication date: February 22, 2024
    Applicant: LANXESS Corporation
    Inventor: Frank J. DeBlase
  • Patent number: 11849726
    Abstract: The invention is directed to a synergistic microbicidal composition having two components: phenoxyethanol and dipropylene glycol phenyl ether and a method for inhibiting growth of microbes using the same.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 26, 2023
    Assignee: Lanxess Corporation
    Inventors: Hiteshkumar Dave, Kiran Pareek, Eileen Warwick
  • Patent number: 11834557
    Abstract: Modifiers for use in vinyl flooring applications reduce or eliminate the need for traditional, general-purpose plasticizers in applications that require increased hardness or rigidity. High solvating, fast fusing modifiers, such as dibenzoates, added to LVT formulations provide unexpectedly increased flexural strength, hardness, indentation resistance and deflection not heretofore known or recognized in luxury vinyl tile formulations.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: December 5, 2023
    Assignee: LANXESS Corporation
    Inventors: Emily McBride, Karena Kaye Linkenhoger, Bradley Les Farrell, Kyle Jeffrey Posselt, William D. Arendt
  • Patent number: 11834385
    Abstract: The invention relates to novel methods for preparing N-methyl-p-toluidine for the use thereof as additive for aviation fuel, and to specific catalysts for these methods.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: December 5, 2023
    Assignee: LANXESS Corporation
    Inventors: Martina Gerdinand, Rainer Dost, Ralf Krahwinkel, Hans-Jurgen Quella, Daniel Ullrich, Patrick Kurr
  • Publication number: 20230383157
    Abstract: The present invention relates to a reactive polyurethane prepolymer composition, which can be used as a hot melt adhesive, comprising a first polyurethane prepolymer which is the reaction product of the reaction of methylene diphenyl diisocyanate (MDI) with poly(1,6-hexamethylene adipate) glycol (PHAG) with a molecular weight (Mw) of 500 g/mol to 10,000 g/mol and with an NCO content of 0.5 wt % to 7 wt %, preferably of 3 wt % to 7 wt % and more preferably of 5 wt % to 7 wt %, comprising less than 0.1 wt % free MDI monomer based on the total weight of the first polyurethane prepolymer, a second polyurethane prepolymer which is the reaction product of the reaction of methylene diphenyl diisocyanate with polypropylene glycol (PPG) or a succinic acid based polyester polyol with a molecular weight (Mw) of 250 g/mol to 4,000 g/mol and with an NCO content of 0.5 wt % to 12 wt %, preferably of 3 wt % to 11 wt % and more preferably of 5 wt % to 10 wt %, comprising less than 0.
    Type: Application
    Filed: September 17, 2021
    Publication date: November 30, 2023
    Applicant: LANXESS Corporation
    Inventors: Ronald M. Emanuel, Jr., Tingting Yuan, Matthew Joseph Rasmuson
  • Publication number: 20230323087
    Abstract: The combination of one or more phosphorus-containing flame retardant compounds as described herein with at least one brominated flame retardant compound provides an effective flame retardant additive for thermoplastic polymers without requiring the use of antimony trioxide. Flame retardant thermoplastic compositions are therefore provided containing at least one thermoplastic polymer, at least one brominated flame retardant, and at least one phosphorus-containing flame retardant as described herein. The compositions are useful for a wide range of applications, such as for electrical and electronic applications.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 12, 2023
    Applicant: LANXESS Corporation
    Inventors: Qingliang He, Jochen Endtner
  • Patent number: 11761287
    Abstract: The present invention relates to sealing elements for blowout preventers comprising a sealing interface region, and a second region, wherein said sealing interface region is formed of a first polymer and said second region is formed of a second polymer, the first and second polymers having different Shore A hardnesses, including sealing elements made of dual hardness polyurethane.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: September 19, 2023
    Assignee: LANXESS Corporation
    Inventors: Matthew P. Burdzy, Thomas Harald Peter
  • Publication number: 20230227630
    Abstract: The present disclosure relates to a novel flame retardant and stabilizer additive composition for thermoplastic polymers, the additive composition including at least one phosphorus-containing flame retardant and at least one epoxide, as described herein. The presently disclosed additive compositions are useful over a wide range of thermoplastic applications, particularly in thermoplastic polymers that are processed and/or used at high temperatures.
    Type: Application
    Filed: June 16, 2021
    Publication date: July 20, 2023
    Applicant: LANXESS Corporation
    Inventor: Qingliang He
  • Publication number: 20230227628
    Abstract: The present disclosure relates to a novel flame retardant and stabilizer additive composition for thermoplastic polymers, the additive composition including at least one phosphorus-containing flame retardant and at least one carbodiimide, as described herein. The presently disclosed additive compositions are useful over a wide range of thermoplastic applications, particularly in thermoplastic polymers that are processed and/or used at high temperatures.
    Type: Application
    Filed: June 16, 2021
    Publication date: July 20, 2023
    Applicant: LANXESS Corporation
    Inventor: Qingliang He
  • Patent number: 11692151
    Abstract: The invention discloses a lubricating grease with thixotropy and a preparation method thereof. The lubricating grease comprises a polyurea/high base number calcium sulfonate composite thickener, colloidally dispersed calcium carbonate solid particles in the form of calcite, a calcium borate or calcium borate composite, and a calcium soap of fatty acid having 12 to 24 carbon atoms. The above components are uniformly dispersed in an oil phase medium. The content of high base number calcium sulfonate in the lubricating grease is less than 22 wt %.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: July 4, 2023
    Assignee: LANXESS Corporation
    Inventor: Lianhui Zhang
  • Patent number: 11680217
    Abstract: A lubricating oil detergent composition comprises an overbased calcium sulfonate and a low ash detergent, which low ash detergent is metal free and comprises the reaction product of an acidic organic compound such as an alkylated salicylic acid, a boron compound and an amine component.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: June 20, 2023
    Assignee: LANXESS Corporation
    Inventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
  • Publication number: 20230174687
    Abstract: A brominated copolymer of at least one conjugated diene and at least one styrenic monomer is prepared such that at least 45 percent, but no more than 70 percent, of the non-aromatic double bonds In the copolymer are brominated. The produced brominated copolymer is useful as a flame retardant and exhibits surprisingly small domain sizes after dissolution in styrenic monomer which is subsequently polymerized.
    Type: Application
    Filed: April 16, 2021
    Publication date: June 8, 2023
    Applicant: LANXESS Corporation
    Inventors: Christopher Simpson, David W. Bartley, Roy Pickering, David J. Sikora
  • Publication number: 20230113087
    Abstract: The present invention relates generally to a curable polyurethane prepolymer composition comprising polyurethane prepolymer obtained by the reaction of toluene diisocyanate (TDI) and at least one polyol and an ortho alkyl disubstituted dianiline, preferably 4,4?-methylene-bis-(3-chloro-2,6-diethylaniline) (MCDEA), wherein 50 to 100 wt % of the at least one polyol is at least one polycarbonate polyol.
    Type: Application
    Filed: March 5, 2021
    Publication date: April 13, 2023
    Applicant: LANXESS Corporation
    Inventors: Thomas Peter, Ian Laskowitz, Margarita Ortiz, George Brereton
  • Patent number: 11535807
    Abstract: The addition of mixed thio acid amide molybdenum dithiocarbamates to lubricant compositions comprising magnesium detergents and/or overbased magnesium detergents, e.g., overbased magnesium sulfonate, provides lubricant compositions that suppress Low Speed Pre-Ignition and possess excellent low friction characteristics. Furthermore, the addition of molybdenum based friction reducing additives, e.g., mixed thio acid amide molybdenum dithiocarbamates, in combination with one or more fatty acid 2-hydroxyalkylamides, to lubricant compositions comprising magnesium detergents or overbased magnesium detergents provides lubricant compositions that suppress Low Speed Pre-ignition and possess excellent low friction characteristics.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: December 27, 2022
    Assignee: LANXESS Corporation
    Inventor: Frank J. DeBlase
  • Patent number: 11525080
    Abstract: Compounds are identified that act as crystallization suppressants when added to clear brine fluids, significantly lowering the true crystallization temperatures of the brines, and allowing for higher salt content in clear brine fluids. The crystallization suppressants of the invention also allow for the preparation of higher density zinc free brines. Crystallization suppressant blends are also identified that allow for the preparation of high density clear brine fluids with lower viscosities.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 13, 2022
    Assignee: LANXESS Corporation
    Inventors: Thomas G. Ray, Colin H. Keene, David J. Sikora, David W. Bartley, John Warner, Justin Whitfield, Dwight Tshudy, Joni P. Williams
  • Patent number: 11518732
    Abstract: Diaryl amines are selectively alkylated by reaction with branched olefins, which olefins are capable of forming tertiary carbonium ions and can be conveniently prepared from readily available branched alcohols. The diaryl amine products are effective antioxidants and often comprise a high amount of di-alkylated diaryl amines and a low amount of tri- and tetra-alkylated diaryl amines.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: December 6, 2022
    Assignee: LANXESS Corporation
    Inventor: Robert G. Rowland
  • Publication number: 20220325028
    Abstract: The present invention relates to a polyurethane prepolymer composition comprising more than 0 wt. % and less than 1.0 wt. % free diisocyanate monomer wherein the polyurethane prepolymer comprises less than 80 wt. % of a 2:1 stoichiometric adduct of diisocyanate and at least one polyol (perfect prepolymer), curable compositions comprising these polyurethane prepolymer compositions and the use of these polyurethane prepolymer compositions as adhesives.
    Type: Application
    Filed: September 14, 2020
    Publication date: October 13, 2022
    Applicant: LANXESS Corporation
    Inventors: Ronald M. Emanuel, Jr., Polina Ware, Gerald King