Patents Assigned to Lanxess Corporation
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Patent number: 11959068Abstract: 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: GrantFiled: January 27, 2023Date of Patent: April 16, 2024Assignee: Lanxess CorporationInventors: Kathleen Manna, Ian A. Tomlinson, Abhiram Thatipelli, Christopher Janes, Elizabeth J. Summer
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Publication number: 20240117252Abstract: 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: ApplicationFiled: December 18, 2019Publication date: April 11, 2024Applicant: LANXESS CORPORATIONInventors: Julia Yue Lee, Simon J. Bonyhady, Qingliang He, Ramesh Sharma
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Patent number: 11917993Abstract: 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: GrantFiled: November 2, 2018Date of Patent: March 5, 2024Assignee: LANXESS CorporationInventors: Stephen Finley Foster, Kelly Reed Pippine, James Anthony Proestos, Jr., Bradley Les Farrell, Julie O. Vaughn-Biege
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Publication number: 20240059998Abstract: 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: ApplicationFiled: December 13, 2021Publication date: February 22, 2024Applicant: LANXESS CorporationInventor: Frank J. DeBlase
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Patent number: 11849726Abstract: 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: GrantFiled: September 25, 2017Date of Patent: December 26, 2023Assignee: Lanxess CorporationInventors: Hiteshkumar Dave, Kiran Pareek, Eileen Warwick
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Patent number: 11834557Abstract: 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: GrantFiled: June 28, 2019Date of Patent: December 5, 2023Assignee: LANXESS CorporationInventors: Emily McBride, Karena Kaye Linkenhoger, Bradley Les Farrell, Kyle Jeffrey Posselt, William D. Arendt
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Patent number: 11834385Abstract: 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: GrantFiled: May 28, 2020Date of Patent: December 5, 2023Assignee: LANXESS CorporationInventors: Martina Gerdinand, Rainer Dost, Ralf Krahwinkel, Hans-Jurgen Quella, Daniel Ullrich, Patrick Kurr
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Publication number: 20230383157Abstract: 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: ApplicationFiled: September 17, 2021Publication date: November 30, 2023Applicant: LANXESS CorporationInventors: Ronald M. Emanuel, Jr., Tingting Yuan, Matthew Joseph Rasmuson
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Publication number: 20230323087Abstract: 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: ApplicationFiled: June 16, 2021Publication date: October 12, 2023Applicant: LANXESS CorporationInventors: Qingliang He, Jochen Endtner
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Patent number: 11761287Abstract: 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: GrantFiled: January 31, 2020Date of Patent: September 19, 2023Assignee: LANXESS CorporationInventors: Matthew P. Burdzy, Thomas Harald Peter
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Publication number: 20230227630Abstract: 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: ApplicationFiled: June 16, 2021Publication date: July 20, 2023Applicant: LANXESS CorporationInventor: Qingliang He
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Publication number: 20230227628Abstract: 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: ApplicationFiled: June 16, 2021Publication date: July 20, 2023Applicant: LANXESS CorporationInventor: Qingliang He
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Patent number: 11692151Abstract: 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: GrantFiled: November 30, 2021Date of Patent: July 4, 2023Assignee: LANXESS CorporationInventor: Lianhui Zhang
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Patent number: 11680217Abstract: 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: GrantFiled: July 16, 2019Date of Patent: June 20, 2023Assignee: LANXESS CorporationInventors: Ron Muir, John Louis DiFlavio, James-Jianjun Wei
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Publication number: 20230174687Abstract: 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: ApplicationFiled: April 16, 2021Publication date: June 8, 2023Applicant: LANXESS CorporationInventors: Christopher Simpson, David W. Bartley, Roy Pickering, David J. Sikora
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Publication number: 20230113087Abstract: 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: ApplicationFiled: March 5, 2021Publication date: April 13, 2023Applicant: LANXESS CorporationInventors: Thomas Peter, Ian Laskowitz, Margarita Ortiz, George Brereton
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Patent number: 11535807Abstract: 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: GrantFiled: November 14, 2018Date of Patent: December 27, 2022Assignee: LANXESS CorporationInventor: Frank J. DeBlase
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Patent number: 11525080Abstract: 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: GrantFiled: July 30, 2020Date of Patent: December 13, 2022Assignee: LANXESS CorporationInventors: Thomas G. Ray, Colin H. Keene, David J. Sikora, David W. Bartley, John Warner, Justin Whitfield, Dwight Tshudy, Joni P. Williams
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Patent number: 11518732Abstract: 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: GrantFiled: November 22, 2019Date of Patent: December 6, 2022Assignee: LANXESS CorporationInventor: Robert G. Rowland
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Publication number: 20220325028Abstract: 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: ApplicationFiled: September 14, 2020Publication date: October 13, 2022Applicant: LANXESS CorporationInventors: Ronald M. Emanuel, Jr., Polina Ware, Gerald King