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INVISTA NORTH AMERICA S.A R.L.

INVISTA NORTH AMERICA S.A R.L. Patent applications
Patent application numberTitlePublished
20120115997PROCESS FOR PRODUCTION OF POLYESTERS - The present invention relates to a process for producing a polyester comprising: (a) forming a polyester with an intrinsic viscosity of at least about 0.65, wherein said forming of the polyester comprises use of a catalyst; and (b) adding a phosphorous compound to the polyester after the forming of step (a), wherein said phosphorous compound comprises at least one member selected from the group consisting of trialkyl phosphate, trialkyl phosphonoacetate, monoalkyl phosphate, dialkyl phosphate, trialkyl phosphite, triaryl phosphite, tris alkylaryl phosphite, and mixtures thereof. The present invention also includes compositions produced by process of the present invention and articles comprising those compositions.05-10-2012
20120094059NYLON CARPET FIBERS HAVING BLEACH RESISTANCE - The present invention relates to a nylon yarn of a finely dispersed melt blended polymer alloy having i) a polyamide component selected from polyhexamethyleneadipamide, polycaprolactam and mixtures thereof, and ii) a nylon 11 component; wherein the polyamide component is the major component by weight of the total melt blended polymer and wherein the polyamide component has a viscosity of about 2.6 IV or more as measured in 96% sulfuric acid. The resulting nylon yarn shows improved bleach resistance. The present invention also relates to processes of producing the yarn and nylon carpets comprising the yarn described above.04-19-2012
20120035387HYDROCYANATION OF 2-PENTENENITRILE - The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0° C. to about 150° C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Formula I and Formula II, in which all like reference characters have the same meaning, except as further explicitly limited:02-09-2012
20110312870EMULSION COMPOSITIONS AND A METHOD FOR SELECTING SURFACTANTS - A method for preparing a microemulsion is disclosed which employs a method based upon identification of the phase behavior of a plurality of components comprising the microemulsion. Further disclosed is a microemulsion composition comprising a first component, coupling agent, and surfactant.12-22-2011
20110311428NICKEL COMPOSITIONS FOR PREPARING NICKEL METAL AND NICKEL COMPLEXES - Nickel compositions for use in manufacturing nickel metal compositions, and specifically to methods of making basic nickel carbonates used to produce nickel metal compositions are disclosed. By varying the molar ratios of carbonates and bicarbonates to nickel salts, the methods provide basic nickel carbonates that produce superior nickel-containing solids that react more effectively with phosphorous-containing ligands. The phosphorous containing ligands can be both monodentate and bidentate phosphorous-containing ligands.12-22-2011
20110217902BRASSIERE CONSTRUCTION USING MULTIPLE LAYERS OF FABRIC - A body-shaping garment and fabric is provided. The garment includes an inner fabric layer and an outer fabric layer. The inner fabric layer is placed in an angular orientation relative to the outer fabric layer. Further, the inner fabric layer and the outer fabric layer have sufficiently isotropic hysteresis.09-08-2011
20110207959HYDROGENATION AND ESTERIFICATION TO FORM DIESTERS - A process is disclosed which employs hydrogenation and esterification to form alkyl diesters. The process subjects an unrefined or otherwise not purified composition comprising maleic anhydride production residue to the processes of hydrogenation and esterification and forming diesters at high conversion efficiency.08-25-2011
20110207910POLYETHER GLYCOL MANUFACTURING PROCESS - The present invention relates to an improved process for manufacturing polyether and copolyether glycols by polymerization of a reaction mixture comprising at least one tetrahydrofuran or at least one tetrahydrofuran and at least one other cyclic ether, for example, an alkylene oxide, in the presence of a particular perfluorosulfonic acid resin catalyst comprising a copolymer of tetrafluoroethylene (TFE) or chlorotrifluoroethylene (CTFE) and a monomer of the formula CF08-25-2011
20110196168NICKEL METAL COMPOSITIONS AND NICKEL COMPLEXES DERIVED FROM BASIC NICKEL CARBONATES - Nickel-metal-containing solids for use in manufacturing nickel metal complexes are disclosed. The nickel-metal-containing solids are made by reducing basic nickel carbonates. By varying the molar ratios of carbonates and bicarbonates to nickel salts, the methods provide basic nickel carbonates that produce superior nickel metal-containing solids that react more effectively with phosphorous-containing ligands. The phosphorous containing ligands can be both monodentate and bidentate phosphorous-containing ligands.08-11-2011
20110190442NYLON RESINS AND PROCESS - The disclosures herein relate to a polymer such as nylon 66, having low yellowness and excellent whiteness retention for applications in melt extrusion and injection molding where an increase in molecular weight is not desirable. The polymer is prepared with a phosphorus compound content, e.g., a sodium hypophosphite (SHP) content, in an amount of 150 to 300 ppm by weight. The presence of an “end cap” additive such as one selected from acetic acid, propionic acid, benzoic acid, or succinic acid, added at the start of polymerization, effectively mitigates undesired molecular weight gain.08-04-2011
20110177738HIGH LOAD BEARING CAPACITY NYLON STAPLE FIBER AND NYLON BLENDED YARNS AND FABRICS MADE THEREFROM - Disclosed is the preparation of improved high strength nylon staple fibers having a denier per filament of 1.0 to 3.0, a tenacity T at break of at least about 6.0, and a load-bearing capacity, T7, of greater than 3.2. Such nylon staple fibers are produced by preparing tows of relatively uniformly spun and quenched nylon filaments, drawing and annealing such tows via a two-stage drawing and annealing operation using relatively high draw ratios and then cutting or otherwise converting the drawn and annealed tows into the desired high strength nylon staple fibers. The nylon staple fibers so prepared can be blended with other fibers such as cotton staple fibers to produce nylon/cotton (NYCO) yarns which are also of desirably high strength.07-21-2011
20110174317PREPARATION OF ELASTIC COMPOSITE STRUCTURES USEFUL FOR COMPONENTS OF DISPOSABLE HYGIENE PRODUCTS AND ARTICLES OF APPAREL - Disclosed herein are articles and processes for making elastic composite structures which can be used as or converted into a component of disposable hygiene products or articles of apparel. At least one relatively inelastic substrate, for example a nonwoven substrate, is adhesively bonded with a hot melt adhesive to a certain selected type of elongated polyurethane material in the form of a film or one or more fibers or filaments. The elongated polyurethane material is then allowed to relax which provides an elastic composite structure which is gathered or puckered.07-21-2011
20110104466BLENDED FIBER YARNS AND FABRICS INCLUDING OXIDIZED POLYMERIC FIBERS - An article comprising a fabric comprising: 05-05-2011
20110028581AROMATIC POLYESTERPOLYOLS, ISOCYANURATE-MODIFIED POLYURETHANE FOAMS, AND METHODS OF MAKING THEM - Embodiments of this disclosure include, among others, polyol mixtures, methods of making a polyol mixture, methods of making a rigid isocyanurate-modified polyurethane foam, rigid isocyanurate-modified polyurethane foams, aromatic polyesterpolyols, and the like.02-03-2011
20100298459POLYOL COMPOSITIONS, RESIN BLEND COMPOSITIONS, SPRAY COMPOSITIONS, AND METHODS OF USING EACH, AND METHODS OF MAKING EACH - Embodiments of the disclosure include aromatic polyol compositions, resin blend compositions, and spray foam compositions.11-25-2010
20100298453BOARD STOCK FOAM HAVING BIOBASED CONTENT - Embodiments of the present disclosure can include polyurethane or polyisocyanurate board stock foam having a biobased content of 7% or greater as measured by ASTM D6866. In addition, embodiments of the present disclosure relate to the use of renewable material for producing aromatic polyesters polyols and/or resins to generate foam products having biobased content.11-25-2010
20100267990HIGHLY SELECTIVE PROCESS FOR PRODUCING ORGANODIPHOSPHITES - Disclosed is a method for making a diphosphite of Structure I,10-21-2010
20100267905COPOLYETHER GLYCOL MANUFACTURING PROCESS - The present invention provides a process for manufacturing copolyether glycol having a mean molecular weight of from about 650 to about 5000 dalton by polymerization of tetrahydrofuran and at least one alkylene oxide in the presence of an acid catalyst and at least one compound containing reactive hydrogen atoms. More particularly, the invention relates to a process for manufacturing copolyether glycol which comprises recycle to the polymerization reaction step of at least a portion of the oligomeric cyclic ether which is co-produced with the copolyether glycol.10-21-2010
20100234505TOLUATE ESTERS FOR USE AS REACTIVE AND NON-REACTIVE DILUENT IN POLYMER APPLICATIONS - Disclosed are toluate ester compositions and their use as solvent, plasticizers, extender and/or diluents in binder formulations, a method of producing such ester compositions, as well as polymer compositions containing such liquid ester compositions. Also disclosed is a method of making toluate based esters by reacting methyl-p-toluate with ethylene glycol, diethylene or triethylene glycol, butanediol, etc.09-16-2010
20100234215CATALYST AND PROCESS FOR THE CONVERSION OF NITROUS OXIDE - A catalyst composition and a process for using it to decompose nitrous oxide into nitrogen and oxygen are disclosed. The catalyst composition has surface area of about 1 to about 200 m09-16-2010
20100130085MOISTURE-VAPOR-BREATHABLE AND LIQUID-IMPERMISSIBLE STRUCTURES, MOISTURE-VAPOR-BREATHABLE AND LIQUID-IMPERMISSIBLE UPHOLSTERY STRUCTURES AND METHODS OF MAKING MOISTURE-VAPOR-BREATHABLE AND LIQUID-IMPERMISSIBLE STRUCTURES - Briefly described, embodiments of this disclosure, among others, include moisture-vapor-breathable and liquid-impermissible structures (e.g., pads, cushions, padding, and the like, for the seat, arms, back, etc. of upholstery furniture), and/or upholstery structures (e.g., upholstery furniture) that include moisture-vapor-breathable and liquid-impermissible structure, methods of making moisture-vapor-breathable and liquid-impermissible structures.05-27-2010
20100076212METHOD FOR THE PURIFICATION OF TRIORGANOPHOSPHITES BY TREATMENT WITH A BASIC ADDITIVE - The invention provides a method for separating one or more triorganophosphite components from a crude phosphite mixture containing acidic hydrolysis products, the method comprising: 03-25-2010
20100025635METHOD OF IMPROVING FLOWABILITY OF ADIPIC ACID - A method of improving flowability of adipic acid includes adding to the adipic acid at a relatively low temperature a flowability improving agent, such as an acyclic saturated monobasic acid containing 10 to 22 carbon atoms or an acyclic saturated dibasic acid containing 10 to 14 carbon atoms.02-04-2010
20090286912MANUFACTURE AND USE OF ALKYL p-TOLUATES - The present invention relates to the manufacture of alkyl p-toluates from an alkyl p-toluic acid ester and a mono-functional, branched, linear or cyclic medium chain length alkyl alcohol, and their use as a plasticizer in polymers. Additionally, the present invention relates to articles and materials comprising such alkyl p-toluates.11-19-2009
20090283010STABILIZATION OF TRIPHENYLBORON-PYRIDINE - A method for stabilizing triphenylboron-pyridine (TPBP) in a solvent-based anti-fouling coating, such as a marine anti-fouling coating, by adding to the coating about 0.04 to about 0.40% wt., based on the total amount of the triphenyl boron-pyridine, of 2,2,6,6-tetramethyl piperidinyl-1-oxy-radical (“TEMPO”). Also disclosed is a solvent-based anti-fouling coating, such as a marine anti-fouling coating, composition containing TPBP and TEMPO.11-19-2009
20090258226PREPARATION OF VERY HIGH MOLECULAR WEIGHT POLYAMIDE FILAMENTS - Disclosed is the preparation of very high molecular weight polyamide, e.g., nylon, filaments, as indicated by such filaments exhibiting a very high Relative Viscosity (RV) value. Such filaments can be used to prepare polyamide staple fibers which are especially useful for industrial applications such as in papermachine felts. The filament preparation process involves a melt phase polymerization (MPP) procedure, optionally carried out in combination with a solid phase polymerization (SPP) procedure. Both of these procedures serve to increase the molecular weight and hence the RV of the polyamide filaments produced. These procedures are conducted under selected controlled conditions which permit realization of polyamide filaments of about 2 to 100 denier and which have RV values of greater than about 190. Such filaments also exhibit excellent tenacity and tenacity resistance properties.10-15-2009
20090249555METHOD OF PREVENTING YELLOWING IN FABRICS AND GARMENTS - The invention relates to methods of preventing yellowing of textiles comprising polyurethane foam and at least one phenolic antioxidant by contacting the textile with at least one aryl alkyl sulfonic acid salt and to textiles obtained by such methods.10-08-2009
20090194899Adjustable air shield for skewed godet rolls - The present invention relates to an adjustable air shield for skewed godet rolls. The air shield can be any blocking type plate with or without perforations. Furthermore, these air shields may be placed in close proximity to the pair of skewed, relax rolls in the relax zone of a fiber producing process. The plates are positioned on the inside of the threadline so that the airflow is substantially reduced around the threadline on the skewed rolls. The preferred embodiment of the present invention is one or more skewed godet rolls in the relax area of the fiber production process with air shields positioned on the inside of the fiber string up (threadline) between the pair of skewed rolls, such that the gap between any roll and any air shield is uniform and constant.08-06-2009
20090182164HYDROCYANATION OF PENTENENITRILES - The invention provides a hydrocyanation process to produce adiponitrile and other dinitriles having six carbon atoms, in the presence of catalyst composition comprising a zero-valent nickel and at least one bidentate phosphorus-containing ligand wherein the bidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2-Pentenenitrile Hydrocyanation Test Method.07-16-2009
20090182163PROCESS FOR MAKING AND REFINING 3-PENTENENITRILE, AND FOR REFINING 2-METHYL-3-BUTENENITRILE - The invention provides an integrated, continuous process for the production of 3-pentenenitrile, the refining of 3-pentenenitrile, and the refining of 2-methyl-3-butenenitrile, the process comprising: 07-16-2009
20090124150BONDING OF HEAT-ACTIVATED FILMS INCLUDING A PLASTICIZER - Articles including a polymer film, a plasticizer and a substrate are included. A method of bonding the film to the substrate includes the use of the plasticizer which provides a durable bond by using a lower temperatures and shorter bonding times than would be required in the absence of the plasticizer.05-14-2009
20090124149HIGH TENACITY LOW SHRINKAGE POLYAMIDE YARNS - Multi-filament polyamide yarns characterized by high tenacity and low shrinkage are disclosed. Such yarns or fabrics made therefrom can be used in industrial applications in which such a combination of properties is desirable. Such yarns are particularly useful in the manufacture of automobile airbag fabrics. Also disclosed is a process for making such yarns. The yarn manufacturing process involves spin-drawing molten nylon, relaxing and controlling the yarn tension, and then winding the yarn. Yarns made according to this process exhibit linear density in the range of 110-940 decitex, tenacity equal to or greater than 80 cN/tex, and shrinkage, measured at 177° C., of less than 5%.05-14-2009
20090117069SUBLIMABLE COMPOSITION FOR CONTROLLING ODOR - The invention relates to a sublimable composition comprising cyclododecane and adipic acid and an optional diluent promoting sublimation of the composition. The sublimable composition is provided with a fragrance which is carried into the air by the sublimable composition to ameliorate or otherwise mask objectionable odors, particularly those odors from toilets, urinals and the like.05-07-2009
20090092833REINFORCING FIBER BUNDLES FOR MAKING FIBER REINFORCED POLYMER COMPOSITES - Short-cut synthetic or cellulose-based natural reinforcing fiber is provided for polymer composites in a form that feeds uniformly into a compounding process such as is carried out in a single or twin screw extruder or double armed batch mixer using conventional volumetric or gravimetric metering equipment. Upon being fed to the compounding process, the reinforcing fiber disperses and becomes uniformly distributed in a matrix resin. The reinforcing fibers are provided in the form of cut fiber bundles with a finish composition coating the fibers and forming fugitive inter-fiber bonds within each cut fiber bundle. This provides inter-fiber coherency such that the cut fiber bundles can be fed uniformly via a loss-in-volume or loss-in-weight screw feeder device to a compounding process. Upon mixing in the compounding process with a matrix polymer, the fugitive bonds break, and the cut fiber bundles disintegrate into separate individual fibers dispersed in the matrix polymer. A process for producing the short-cut reinforcing fiber is also provided.04-09-2009
20090068420MULTILAYER VARIABLE STRETCH NONWOVEN FABRIC COMPOSITES - Disclosed herein are nonwoven fabric composites comprising layers of spunbond and meltblown nonwoven webs. Such composites are prepared by forming or assembling the layers of the composite such that there is at least one outer layer of spunbond fibers disposed on at least one inner meltblown layer. The at least one outer layer comprises substantially parallel stripes of spunbond, continuous filament fibers with at least two different types of stripes being used. The stripes of fibers within the spunbond layer(s) are also predominately oriented in the machine direction of the nonwoven fabric composite. All layers of the fabric composites herein are bonded together via thermal, adhesive, ultra-sonic or mechanical bonding means. Such composites can be fashioned to vary the ratio of cross direction stretch to machine direction stretch.03-12-2009
20090036602IONIC LIQUID SOLVENTS AND A PROCESS FOR THE DEPOLYMERIZATION OF POLYAMIDES - An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide constituent monomers.02-05-2009
20090019624KNIT FABRICS AND BASE LAYER GARMENTS MADE THEREFROM WITH IMPROVED THERMAL PROTECTIVE PROPERTIES - Knit fabrics and military apparel such as T-shirts made therefrom are disclosed. The fabrics are constructed from blended yarns made from an intimate combination of nylon and cotton staple fibers. Such fabrics comprise a weight ratio of cotton to nylon which ranges from about 55:45 to about 85:15, and these fabrics also have a weight ranging from about 3 to about 8 oz/yd01-22-2009
20080319219PROCESS FOR IMPROVING ADIPONITRILE QUALITY - A process and apparatus for reacting deleterious impurities contained in adiponitrile (ADN) comprises feeding ADN and an ozone containing gas into a co-current plug flow reactor containing static mixer elements, to oxidize at least a portion of the impurities, thereby producing a reactor discharge, which is processed to produce an ozone-treated ADN product.12-25-2008
20080299028CATALYST AND PROCESS FOR THE CONVERSION OF NITROUS OXIDE - A catalyst composition and a process for using it to decompose nitrous oxide into nitrogen and oxygen are disclosed. The catalyst composition has surface area of about 1 to about 200 m12-04-2008
20080296531IONIC LIQUIDS - The invention relates to an ionic liquid composition and a method for preparing the ionic liquid. The ionic liquid comprises a cation containing the Formula I, as herein disclosed, and wherein: n is 1 or 2, R12-04-2008
20080242174WASH RESISTANT SYNTHETIC POLYMER COMPOSITIONS CONTAINING ACTIVE COMPOUNDS - A synthetic polymer composition comprising a blend of a synthetic thermoplastic polymer and a polymer containing a polyether chain as a constituent, wherein the article manufactured from the blend contains an active compound is disclosed. Yarns may be formed from the synthetic polymer blend and then knitted or woven into articles, such as net or fabric. The articles may be treated with active compounds such as a perfume, fabric softener, sunscreen agent, antibacterial agent, pesticide, insecticide and such other compounds that provide functionality on the article. The treated articles of the invention retain more than an effective amount of active compounds even after numerous washings.10-02-2008
20080214339ALLOY BLENDS OF POLYURETHANE AND LATEX RUBBER - Disclosed herein are barrier articles of polyurethane blends or alloys that limit the permeability of gases there through, particularly as used in inflatable sports articles and more particularly as used in soccer balls.09-04-2008

Patent applications by INVISTA NORTH AMERICA S.A R.L.