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Chemtura Corporation patents


Recent patent applications related to Chemtura Corporation. Chemtura Corporation is listed as an Agent/Assignee. Note: Chemtura Corporation may have other listings under different names/spellings. We're not affiliated with Chemtura Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Chemtura Corporation-related inventors


Process for purifying monooctylin trichloride

The present invention provides a process for producing monooctyltin trichloride comprising very low levels of dioctyltin and trioctyltin compounds, said process comprising the following steps: (1) contacting an organotin chloride mixture comprising monooctyltin chloride with an aqueous phase containing halide ions, said step optionally being carried out in the presence of organic solvent; (2) separating the resulting aqueous phase which is rich in monooctyltin chloride from the organic phase containing most of the dioctyltin and trioctyltin compounds; (3) optionally purifying said aqueous phase comprising monooctyltin trichloride from undesired side products by washing said aqueous phase with an organic solvent; and (4) recovering monooctyltin trichloride from said aqueous phase comprising monooctyltin trichloride.. . ... Chemtura Corporation

Non-pneumatic elastomeric tire with crossed spoke sidewalls

A non-pneumatic tire with an annular body of resilient elastomeric material comprises circumferential web members supported by a plurality of circumferentially spaced crossed spoke pairs. The thickness and angle of the spokes in each crossed spoke pair varies.. ... Chemtura Corporation

Oil sands liner system

An abrasion resistant multilayer liner for metal substrates with exceptional resistance to delamination, corrosion and physical wear comprises an epoxy layer formed by curing a phenolic epoxy resin with a curative comprising an anhydride adhered or bonded to a surface of the metal substrate, and an elastomeric polyurethane layer adhered or bonded to the epoxy layer. Metal surfaces lined with the inventive liner meet standards established for transport of oil sands slurries.. ... Chemtura Corporation

Friction modifier composition for lubricants

Combining a metal based friction modifier, such as a molybdenum dialkyldithiocarbamate, and certain esters of hydroxy carboxylic acids, such as short chain alkyl esters of citric or tartaric acid, e.g., tributyl citrate, has a synergistic effect on lowering the friction coefficient of lubricating oils allowing one to reduce the amount of metal based friction modifier needed to adequately formulate a lubricant with low friction characteristics.. . ... Chemtura Corporation

High performance polyurethane prepolymer and curing compositions

Compositions comprising isocyanate capped polyurethane prepolymers and select mono-benzyl phthalate plasticizers, e.g., 7-(2,6,6,8-tetramethyl-4-oxa-3-oxo-nonyl) benzylphthalate, exhibit better isocyanate stability than prepolymer compositions comprising other plasticizers common in polyurethane systems. Curing compositions comprising these prepolymers, the select mono-benzyl phthalate plasticizers, and methylenedianiline coordination complex curing agents exhibit improved processing characteristics and yield elastomeric polyurethanes with lower compression set, higher break strength and lower color than similar composition comprising plasticizers such as benzoate plasticizers.. ... Chemtura Corporation

Low free mdi prepolymers for rotational casting

Rotational cast polyurethane composition prepared from a prepolymer composition comprising: a) an isocyanate-terminated polyurethane prepolymer; and b) a curative agent comprising i) a polyol; ii) an aromatic diamine; iii) a thixotropic aliphatic amine; and iv) a thixotropic colloidal additive, wherein the prepolymer comprises a product produce by the reaction of a polyol with an organic diisocyanate monomer comprising 4,4′-diisocyanato diphenylmethane (mdi), and which prepolymer comprises less than 1.0% by weight of free mdi monomer, based on the total weight of the prepolymer, exhibits a range of enhanced physical properties compared to those obtained from prepolymers comprising a higher level of free mdi monomer.. . ... Chemtura Corporation

Storage stable activated prepolymer composition

The addition of a small amount of an alkyl sulfoxide, e.g., dmso, to an isocyanate capped prepolymer provides a storage stable prepolymer composition in which the prepolymer is also highly activated towards curing with certain blocked curing agents such as methylenedianiline metal salt coordination complexes. The prepolymer/alkyl sulfoxide compositions are cured by said blocked curing agents at lower temperatures and/or at an accelerated rate compared to similar compositions lacking the alkyl sulfoxide providing high performance polyurethane elastomers.. ... Chemtura Corporation

Flame retardant resins comprising phosphorus containing flame retardants

Resin compositions comprising flame retardant materials obtained by heating phosphonic acid salts at temperatures above 200° c., have excellent properties and exhibit manageable curing behavior. Laminates, composites, molded articles and the like, which have excellent flame retardant properties and physical characteristics, are readily prepared from the resin compositions of the invention.. ... Chemtura Corporation

Flame retardant resins comprising phosphorus containing flame retardants

Resin compositions comprising flame retardant materials obtained by heating phosphonic acid salts at temperatures above 200° c., have excellent properties and exhibit manageable curing behavior. Laminates, composites, molded articles and the like, which have excellent flame retardant properties and physical characteristics, are readily prepared from the resin compositions of the invention.. ... Chemtura Corporation

Flame retardant epoxy resins comprising phosphorus containing flame retardants

Resin compositions, e.g., epoxy resin compositions, comprising flame retardant materials obtained by heating phosphonic acid salts at temperatures above 200° c., have excellent properties and exhibit manageable curing behavior. Laminates, composites, molded articles and the like, which have excellent flame retardant properties and physical characteristics, are readily prepared from the resin compositions of the invention.. ... Chemtura Corporation

Diaryl amine antioxidants prepared from branched olefins

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.. ... Chemtura Corporation








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Chemtura Corporation in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Chemtura Corporation with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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