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INVISTA North America S.a r.l. Patents
Assignee:
INVISTA North America S.a r.l.
Address:
Wilmington, DE
No. of patents:
174
Patents:


1 2 3 4










Patent Number Title Of Patent Date Issued
8263505 Hybrid fabric September 11, 2012
This disclosure relates to a "hybrid" fabric made from a textured multifilament yarn in combination with an untextured multifilament yarn. The portion of multifilament yarns comprising this hybrid fabric are substantially without bulk or texture while the textured portion of multifil
8252706 Stretchable multiple component nonwoven fabrics and methods for preparing August 28, 2012
A method for preparing stretchable bonded nonwoven fabrics which involves forming a substantially nonbonded nonwoven web of multiple-component continuous filaments or staple fibers which are capable of developing three-dimensional spiral crimp, activating the spiral crimp by heating
8247621 Process for making 2-secondary-alkyl-4,5-di-(normal-alkyl)phenols August 21, 2012
The invention relates to the preparation of alkylated phenols. More specifically, the invention relates to an improved process for the manufacture of 2-secondary-alkyl-4,5-di-normal-alkylphenols.
8236714 Dyed fabric with visible and near infrared differential yarn fiber signature August 7, 2012
A fabric having a camouflage appearance in the near infrared (NIR) spectrum with a substantially a single color appearance in the visible (VIS) spectrum is provided. The novel fabric may include at least two synthetic polymer multifilament yarns. The multifilament yarns are selected
8235764 Brassiere construction using multiple layers of fabric August 7, 2012
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 sufficie
8178711 Method for the purification of triorganophosphites by treatment with a basic additive May 15, 2012
One or more triorganophosphite components are separated from a crude phosphite mixture containing acidic hydrolysis products. The crude phosphite mixture is contacted with a basic additive to produce a second mixture comprising a first phase and a second phase. The first phase compri
8119829 Process of hydrocyanation of unsaturated carboxylic acid derivatives February 21, 2012
The present invention is directed to compositions of specific carboxylic acid, fatty acid or oil derivatives containing nitrile groups and methods of their preparation. The preparation involves a hydrocyanation reaction. A method of hydrogenating the nitrile containing carboxylic acid ac
8101790 Process for improving adiponitrile quality January 24, 2012
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
8097671 Carbon black with large primary particle size as reheat additive for polyester and polypropylene January 17, 2012
Reheat characteristics of polyethylene and polypropylene resins, including reheating time and resin color, are improved by adding to the resin carbon black with a primary particle size in the range of 200 to 500 nm as an infrared absorber. Thermal carbon blacks having this primary pa
8093161 Stretchable nonwoven web and method therefor January 10, 2012
The invention relates to nonwoven fabrics containing polymeric multiple component fibers which include a core component and a plurality of wing components attached to the core. The polymeric core component has an elasticity that is greater than the elasticity of at least one of the w
8088943 Hydrocyanation of pentenenitriles January 3, 2012
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-containin
8088917 Ionic liquids January 3, 2012
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 2, R.sup.1 is selected from the group consisting of: H, C.sub.1-C.sub.12 alkyl, aryl
8067318 Elastic nonwoven sheet November 29, 2011
This invention relates to stretchable nonwoven sheets prepared by substantially uniformly impregnating a necked nonwoven substrate or an easily extensible as-made nonwoven substrate with an elastomeric polymer by treatment with an elastomeric polymer solution. The nonwoven sheet is u
8066911 Method of improving flowability of adipic acid November 29, 2011
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 car
8058343 Solvent free aqueous polyurethane dispersions and adhesive films therefrom for stretch fabrics November 15, 2011
Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive
8052906 Polyamide yarn process November 8, 2011
A process for making a synthetic melt spun polyamide filament in a solid phase polycondensation apparatus is disclosed. The flow rate of the purge (make-up) gas to the apparatus is increased, and the overall pressure in the apparatus is decreased, as compared to solid phase polycondensat
8048843 Fabric care compositions November 1, 2011
Polyurethaneurea compositions in the form of powders and dispersions are provided for enhancing properties of washed fabric including easy care, better iron gliding, improved shape retention, perfume substantiation and stain management properties.
7985779 Manufacture of polyurethane foam ball July 26, 2011
The present invention relates to a novel method for manufacturing a cellular elastomeric polyurethane foam ball. The product polyurethane foam ball may be used as a core for a tennis ball which meets ITF specifications for tennis balls, including weight, diameter, bound, forward defo
7977502 Process for making and refining 3-pentenenitrile, and for refining 2-methyl-3-butenenitrile July 12, 2011
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: (a) contacting, in a reaction zone, a hydrogen cyanide-containing feed, a butadie
7973174 Process of making 3-aminopentanenitrile July 5, 2011
A process for making 3-aminopentanenitrile from a crude 2-pentenenitrile ("crude 2PN") comprising 2-pentenenitrile, 2-methyl-2-butenenitrile, and 2-methyl-3-butenenitrile includes contacting the crude 2PN with an ammonia-containing fluid and water. The ammonia-containing fluid can in
7956213 Toluate esters for use as reactive and non-reactive diluent in polymer applications June 7, 2011
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 ma
7919646 Hydrocyanation of 2-pentenenitrile April 5, 2011
The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0.degree. C. to about 150.degree. C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, whe
7919159 Method to make single-layer PET bottles with high barrier and improved clarity April 5, 2011
The present invention comprises a blend of polyester and a partially aromatic polyamide with an ionic compatibilizer and a cobalt salt. This blend can be processed into a container that has both active and passive oxygen barrier and carbon dioxide barrier properties at an improved color
7906476 Fabric care compositions March 15, 2011
Polyurethaneurea compositions in the form of powders and dispersions are provided for enhancing properties of washed fabric including easy care, better iron gliding, improved shape retention, perfume substantiation and stain management properties.
7897801 Process for the preparation of dinitriles March 1, 2011
The present invention relates to a process for the preparation of dinitriles by hydrocyanation of unsaturated nitrile compounds in the presence of a catalyst based on a metal element in the zero oxidation state and on organophosphorus ligands;the invention relates more particularly t
7880028 Process for making 3-pentenenitrile by hydrocyanation of butadiene February 1, 2011
The invention provides a continuous process for the production of 3-pentenenitrile, comprising: (a) contacting, in a reaction zone, a hydrogen cyanide-containing feed, a 1,3-butadiene-containing feed, and a catalyst precursor composition, wherein the catalyst precursor composition
7879930 Colored oxygen scavenging polymers February 1, 2011
The present invention relates to a melt blend of a base polymer, an oxidizable organic polymer, a transition metal salt catalyst and a colorant that does not completely deactivate the catalyzed oxidation. A preferred colorant, yields in an article made from the polymer melt blend a C
7879112 Stain-resist compositions February 1, 2011
The present invention relates generally to stain-resist compositions, and particularly, but not by way of limitation, to fibers and textiles treated with stain-resist compositions.
7838617 Dyeable spandex November 23, 2010
Commercial spandex can be prepared with greater efficiency, improved consistency and at lower costs from a high-solids content polyurethaneurea polymer solution. The polyurethaneurea is prepared using a combination of 4,4'-MDI and 2,4'-MDI, and an amount of chain extenders and chain
7816436 Carbon black with large primary particle size as reheat additive for polyester and polypropylene October 19, 2010
Reheat characteristics of polyethylene and polypropylene resins, including reheating time and resin color, are improved by adding to the resin carbon black with a primary particle size in the range of 200 to 500 nm as an infrared absorber. Thermal carbon blacks having this primary pa
7797968 Method to make circular knit elastic fabric comprising spandex and hard yarns September 21, 2010
Circular knit, elastic fabrics of at least one of single jersey, French terry, and fleece are disclosed that include a bare elastomeric material plated with spun and/or continuous filament hard yarns. The circular knit, elastic fabrics of at least one of single jersey, French terry, and
7779655 Knit-by-design method and fabric August 24, 2010
The invention provides a method for knitting fabric with bare spandex comprising: providing bare spandex yarn; providing hard yarn; drafting the bare spandex; knitting fabric from the hard yarn and the drafted bare spandex with the hard yarn and the drafted bare spandex plated in every
7772293 Ionic liquid solvents and a process for the depolymerization of polyamides August 10, 2010
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
7771806 Articles comprising aqueous dispersions of polyureaurethanes August 10, 2010
Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents. The disclosed poly(urea/urethane) dispersions can be used to make articles such as films and gloves with reduced chance of
7762287 Stretch wovens with separated elastic yarn system July 27, 2010
Included is a woven fabric having warp yarns and weft yarns. Either warp yarn or weft yarn or both warp and weft yarns have two separate systems of yarns. The systems of yarns include a hard yarn forming the main body of fabric and a composite covered elastic yarn with an elastic fiber
7737294 Process of hydrocyanation of unsaturated carboxylic acid derivatives June 15, 2010
The present invention is directed to compositions of specific carboxylic acid, fatty acid or oil derivatives containing nitrile groups and methods of their preparation. The preparation involves a hydrocyanation reaction. A method of hydrgenating the nitrile containing carboxylic acid aci
7731787 Stabilization of triphenylboron-pyridine June 8, 2010
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 triphenylboron-pyridine, of 2,2,6,6-tetramethylpiperidinyl-
7731119 Compact single mandrel creel for over end take-off thread delivery June 8, 2010
The present invention compact creel using the OETO method that accommodates an increased number of packages in a relatively small footprint while providing a straight in-line delivery path in which fiber bends and changes in direction are minimized. In addition, the present invention
7718823 Toluate ester for use as reactive and non-reactive diluent in polymer applications May 18, 2010
This invention relates to 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. The method of making
7709674 Hydrocyanation process with reduced yield losses May 4, 2010
A hydrocyanation process produces adiponitrile and other dinitriles having six carbon atoms. The process involves forming a reaction mixture in the presence of at least one Lewis acid. The reaction mixture includes ethylenically unsaturated nitrites having five carbon atoms, hydrogen
7709673 Process for making 3-pentenenitrile by hydrocyanation of butadiene May 4, 2010
The invention provides a continuous process for the production of 3-pentenenitrile comprising: (a) contacting, in a reaction zone, a hydrogen cyanide-containing feed, a butadiene-containing feed, and a catalyst precursor composition, wherein the catalyst precursor composition compr
7687413 Edgecomb resistance polyester March 30, 2010
The present invention concerns polyester fabric that is employed in airbags. In particular, the polyester fabric has improved resistance to edge combing--the relative tendency of a fabric to pull apart under seam stress or similar action such as inflation of inflatable restraints. Fu
7678906 Process for making triphenylboron-pyridine compound March 16, 2010
A process for improving the recovery of solid triphenylboron-pyridine compound (TPBP), while retaining desirable particle characteristics comprises the addition of an acid to neutralize at least a portion of the alkali contained in the aqueous mother liquor. By adjusting the pH of the
7659422 Hydrocyanation process with reduced yield losses February 9, 2010
A hydrocyanation process produces adiponitrile and other dinitriles having six carbon atoms. The process involves forming a reaction mixture in the presence of at least one Lewis acid. The reaction mixture includes ethylenically unsaturated nitriles having five carbon atoms, hydrogen
7637091 Stretch woven fabrics December 29, 2009
The invention provides a polyester bicomponent core spun yarn comprising a sheath of at least one hard fiber and having an English cotton count of from about 5 to about 60 and a core of bicomponent polyester filament. The invention further includes a fabric substantially free of grin
7634924 Knit by design method and fabric December 22, 2009
Circular knit, elastic fabrics of at least one of single jersey, French terry, and fleece are disclosed that include a bare elastomeric material plated with spun and/or continuous filament hard yarns. The circular knit, elastic fabrics of at least one of single jersey, French terry, and
7629484 Method for the purification of triorganophosphites by treatment with a basic additive December 8, 2009
One or more triorganophosphite components are separated from a crude phosphite mixture containing acidic hydrolysis products.The crude phosphite mixture is contacted with a basic additive to produce a second mixture comprising a first phase and a second phase. The first phase compris
7612223 Process for the hydrocyanation of unsaturated compounds November 3, 2009
The present invention relates to a process for the hydrocyanation of unsaturated compounds to unsaturated mononitrile compounds or to dinitrile compounds; It relates more particularly to a process for the manufacture of dinitriles by double hydrocyanation of diolefins, such as butadi
7589149 Aqueous poly(urea/urethanes) dispersions using polyester glycol September 15, 2009
Stable aqueous poly(urea/urethane) polymers and dispersions are made that do not require the inclusion of chain extenders, curing agents or crosslinking agents.
7588818 High bulk composite sheets September 15, 2009
A multi-layer composite sheet comprising a shrinkable layer intermittently bonded a to a gatherable layer with the bonds separated by a specified distance and wherein the shrinkable layer can shrink and at the same time gather the gatherable layer between the bonds. A process for prepari
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