Patents Assigned to Lanxess Corporation
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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
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Patent number: 11466227Abstract: An improved organic and molybdenum friction modifier combination is disclosed, the combination resulting in a synergistic result of both initial friction reduction performance and a further retention and durability of continued friction reduction performance. These results will produce added benefit from, e.g., formulated passenger car motor oils targeting lower viscosity formulations to help improve fuel economy.Type: GrantFiled: October 15, 2018Date of Patent: October 11, 2022Assignee: LANXESS CorporationInventor: Frank J. DeBlase
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Publication number: 20220119584Abstract: Degradable polymers, including polyurethane and polyurethane-urea compositions, that can be used in aqueous, non-aqueous and dry hot environments as degradable polymers in oil, gas and other applications.Type: ApplicationFiled: February 7, 2020Publication date: April 21, 2022Applicant: LANXESS CorporationInventors: Matthew P. Burdzy, Matthew Rasmuson, Rebecca L. Nicholson
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Publication number: 20220106429Abstract: Polyurethane and polyurethane-urea compositions are prepared by amine cure under catalyzed reaction conditions. The curing reaction is performed with an acid anhydride based curing catalyst which is added to a prepolymer and then subsequently reacted with an amine based curative.Type: ApplicationFiled: February 3, 2020Publication date: April 7, 2022Applicant: LANXESS CorporationInventor: Johnathon A. Cribb
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Publication number: 20220106851Abstract: 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: ApplicationFiled: January 31, 2020Publication date: April 7, 2022Applicant: LANXESS CorporationInventors: Matthew P. Burdzy, Thomas Harald Peter
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Patent number: 11286441Abstract: Certain citric esters and amides, and certain mixtures thereof, e.g., mixtures comprising citrate oligomers, exhibit excellent anti-wear activity in lubricants. Many of these compounds or mixtures of compounds also exhibit a high degree of anti-wear synergy in combination with zinc dihydrocarbyldithiophosphates. The compounds of the invention are thus valuable tools that can allow one to reduce the amounts of zinc, and phosphates, that are used in the lubricant without sacrificing anti-wear performance.Type: GrantFiled: February 8, 2019Date of Patent: March 29, 2022Assignee: LANXESS CorporationInventors: Frank J. DeBlase, Joseph Stieber, Kenneth Cory MacLeod
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Publication number: 20220081536Abstract: The present disclosure provides for the production of non-halogenated phosphorus containing, thermally stable flame retardant materials directly in the form of a powder or small particles. The process generally includes heating one or more phosphonic acid salts in a high boiling, water miscible, acid stable solvent to dehydration reaction temperatures of 200° C. or higher.Type: ApplicationFiled: December 18, 2019Publication date: March 17, 2022Applicant: LANXESS CorporationInventors: Julia Yue Lee, Qingliang He
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Publication number: 20220081639Abstract: 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: ApplicationFiled: November 30, 2021Publication date: March 17, 2022Applicant: LANXESS CORPORATIONInventor: Lianhui Zhang
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Publication number: 20220073547Abstract: A phosphorus-containing flame retardant is produced by reacting at a reaction temperature a mixture including a metal or suitable metal compound and a stoichiometric excess relative to the metal or suitable metal compound of an unsubstituted or alkyl or aryl substituted phosphonic or pyrophosphonic acid, wherein the phosphonic or pyrophosphonic acid is in a molten state at the reaction temperature. 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: March 10, 2022Applicant: LANXESS CorporationInventors: Simon J. Bonyhady, Julia Yue Lee, Qingliang He, Ramesh Sharma
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Patent number: 11225627Abstract: 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 %, and the lubricating grease has a worked cone penetration of 295 or less.Type: GrantFiled: April 2, 2018Date of Patent: January 18, 2022Assignee: LANXESS CorporationInventor: Lianhui Zhang
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Patent number: 11021641Abstract: 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.Type: GrantFiled: May 2, 2019Date of Patent: June 1, 2021Assignee: 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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Publication number: 20200261899Abstract: The present invention relates to quaternized diethylenetriamine-functionalized polyacrylate bead polymers, to a process for preparing same and to their use in the removal of oxoanions, particularly chromium (VI) oxoanions from aqueous- and/or organics solutions.Type: ApplicationFiled: April 29, 2020Publication date: August 20, 2020Applicants: LANXESS Deutschland GmbH, LANXESS CorporationInventors: Areski REZKALLAH, Aurelia RECKZIEGEL, Firuza MIR
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Patent number: 9668476Abstract: This invention relates to a method for controlling microorganisms comprising coating a surface with a removable, antimicrobial film-forming composition.Type: GrantFiled: February 23, 2007Date of Patent: June 6, 2017Assignee: LANXESS CorporationInventors: Helen S. M. Lu, Christian Lenges, Barry Stieglitz, Lynn Leger, Christian Hoffman, Judith J. Vangorp, Shaun F. Malone
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Patent number: 9222253Abstract: The present invention relates to mixtures of blowing agent-containing polymers, wax and insecticides, to coated polymer particles, to methods for producing coated polymer particles, to the use of these particles and mixtures in the production of polymer foams, to the use thereof for protecting polymer foams against infestation by insects, principally termites, and also to materials of construction and building materials produced from the insecticide-containing polymer foams.Type: GrantFiled: June 21, 2012Date of Patent: December 29, 2015Assignees: LANXESS DEUTSCHLAND GMBH, LANXESS CorporationInventors: Hermann Uhr, Cyndi Fink, Navnit Bhuleshwar Upadhyay
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Publication number: 20140206785Abstract: The present invention relates to mixtures of blowing agent-containing polymers, wax and insecticides, to coated polymer particles, to methods for producing coated polymer particles, to the use of these particles and mixtures in the production of polymer foams, to the use thereof for protecting polymer foams against infestation by insects, principally termites, and also to materials of construction and building materials produced from the insecticide-containing polymer foams.Type: ApplicationFiled: June 21, 2012Publication date: July 24, 2014Applicants: LANXESS CORPORATION, LANXESS DEUTSCHLAND GMBHInventors: Hermann Uhr, Cyndi Fink, Navnit Bhuleshwar Upadhyay
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Publication number: 20130210974Abstract: A highly flame retardant plasticized polyvinyl chloride composition includes a mixture of a dialkyl or dialkenyl tetrahalophthalate and a brominated/chlorinated paraffin. The composition exhibits an absence of brittleness, and substantial flexibility at low temperatures. The composition can be used to form sheet materials, molding compositions, roofing materials, PVC formed jackets and insulation for wire and cable products.Type: ApplicationFiled: September 13, 2012Publication date: August 15, 2013Applicant: LANXESS CORPORATIONInventor: James F. Day
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Publication number: 20130096227Abstract: The present invention relates to formulations which comprise a plasticizer and articles made therefrom and/or coated therewith. More specifically the formulation comprises a plasticizer and a fungicidally effective amount of Fludioxonil and/or Difenoconazole. The formulations have particular application in the manufacture of plasticized articles and articles which have been coated with a fungicide containing plastisol.Type: ApplicationFiled: September 14, 2012Publication date: April 18, 2013Applicant: LANXESS CORPORATIONInventors: Alexander Cornish, Heinz Paul Herbst
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Patent number: 8420142Abstract: Non-toxic, naturally derived, preservative compositions for beverage products, food products and other consumer products which include d-limonene, natural wax and monohydric alcohol are provided. Methods for manufacturing such preservative compositions are also provided. In addition beverage products, food products and other consumer products which include preservative compositions comprising d-limonene, natural wax and monohydric alcohol are provided.Type: GrantFiled: October 6, 2009Date of Patent: April 16, 2013Assignee: LANXESS CorporationInventor: Paul Winniczuk
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Patent number: 8397688Abstract: Cam covers including a shell of the plastic material reinforced with a support structure and one or more end caps and methods for making cam covers incorporating a plastic shell and a metal or plastic support structure and one or more end caps are described herein.Type: GrantFiled: December 14, 2009Date of Patent: March 19, 2013Assignee: LANXESS CorporationInventor: Robert R. Cunningham
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Publication number: 20120160499Abstract: There is disclosed a process for transporting fracture fluid additives underground to oil and gas wells by attaching a fracture fluid additive to an ion exchange resin and flowing the ion exchange resin underground and thereafter releasing the frac fluid additives from the ion exchange resins and also there is provided the use of an ion exchange resin as a proppant and a frac fluid lubricant.Type: ApplicationFiled: December 2, 2011Publication date: June 28, 2012Applicants: LANXESS SYBRON CHEMICALS INC., LANXESS DEUTSCHLAND GMBH, LANXESS CORPORATIONInventors: Anthony P. Tirio, Phil Fatula, Michael Schelhaas