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| Number | Title | Issue Date |
| 8182920 | Concentrated aqueous nanocomposite dispersions for barrier coatings A concentrated nanocomposite dispersion which includes a silicate filler and a matrix polymer dispersed in an aqueous medium. The dispersions are condensed by selectively removing liquid therefrom, to provide high solids coating formulations. The concentrated formul... | 05/22/2012 |
| 8173847 | Method for the production of aldehydes Aldehydes are produced by unmodified rhodium catalyzed hydroformylation process in a homogeneous organic phase using a solution of unmodified rhodium catalyst and an organic acid in a total amount, calculated as acid equivalent, of from greater than 3 moles to 3000 ... | 05/08/2012 |
| 8173830 | Vinyl ester production from acetylene and carboxylic acid utilizing homogeneous catalyst A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene with a homogeneous catalyst is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the presence of Gro... | 05/08/2012 |
| 8168824 | Purification of acetic acid from wood acetylation process using extraction There is shown a method of purifying glacial acetic acid containing terpene and terpenoid impurities. Substantially dry acetic acid containing terpene and terpenoid impurities is combined with water and a suitable organic solvent, which is substantially immiscible w... | 05/01/2012 |
| 8168822 | Acetic acid production by way of carbonylation with enhanced reaction and flashing A method of making acetic acid includes: (a) catalytically reacting methanol or a reactive derivative thereof with carbon monoxide in the presence of a homogeneous Group VIII metal catalyst and a methyl iodide promoter in a reactor vessel in a liquid reaction mixtur... | 05/01/2012 |
| 8158816 | Process for lightening the color of polyol esters The present invention relates to a process for lightening the color of polyol esters by reacting polyols with linear or branched aliphatic monocarboxylic acids having 3 to 20 carbon atoms, wherein the reaction product is worked up without using adsorbents and compri... | 04/17/2012 |
| 8088252 | Salt-sensitive cationic polymeric binders for nonwoven webs and method of making the same A solution with a salt-sensitive polymer binder for use in fibrous webs, where the binder contains a copolymer comprising repeat units derived from butyl acrylate, methyl methacrylate and amino functionalized alkyl acrylate or methacrylate or amino functionalized al... | 01/03/2012 |
| 8063119 | Barrier coating of a non-elastomeric polymer and a dispersed layered filler in a liquid carrier and coated articles Barrier coating mixtures contain in a carrier liquid, (a) a non-elastomeric polymer; (b) an exfoliated layered platelet-like silicate filler which may or may not have been acid or base treated that has not been functionalized with organic cations having an aspect ra... | 11/22/2011 |
| 8034886 | Process for manufacturing high to ultra high molecular weight polymers using novel bridged metallocene catalysts The present invention relates to a process of manufacturing high, very high, and ultra high molecular weight polymers comprising predominantly ethylene monomers. Ethylene is reacted in the presence of a catalyst system to produce a polymer having a viscosimetrically... | 10/11/2011 |
| 7994265 | Vinyl alcohol copolymers for use in aqueous dispersions and melt extruded articles In a method of preparing an aqueous dispersion selected from drilling fluids, hydraulic cement compositions, mineral pigment containing coatings, and papermaking furnishes or in a method of preparing a melt extrudate, the improvement comprising: a) producing a copol... | 08/09/2011 |
| 7989545 | Salt-sensitive binders for nonwoven webs and method of making same A solution with a salt-sensitive polymer binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units and ethylenically unsaturated monomer units. The binder solution is prepared by emulsion-polymerizing a copolymer and then... | 08/02/2011 |
| 7982065 | Vinyl ester production from acetylene and carboxylic acid utilizing heterogeneous catalyst A process for the selective production of vinyl ester by the reaction of a carboxylic acid with acetylene under heterogeneous catalytic conditions is disclosed and claimed. In a preferred embodiment of this invention, reaction of benzoic acid and acetylene in the pr... | 07/19/2011 |
| 7981942 | Polyethylene molding powder and porous articles made therefrom The present invention relates to a new molding powder comprising polyethylene polymer particles. The molecular weight of the polyethylene polymer is within the range of from about 600,000 g/mol to about 2,700,000 g/mol as determined by ASTM 4020. The average particl... | 07/19/2011 |
| 7932328 | Vinyl alcohol copolymers for use in aqueous dispersions and melt extruded articles A product comprising a cold water soluble film wherein: a) the film comprises a copolymer of vinyl alcohol (VOH) with a minor amount of 2-acrylamido-2-methyl propane sulfonic acid in free acid form or as a salt of the free acid (AMPS); and b) the film has a harsh ch... | 04/26/2011 |
| 7897708 | Self-crosslinking dispersions utilizing acrylamide/N-alkylolacrylamide crosslinking mixture with C2-C10 alkylol An aqueous dispersion includes a self-crosslinking alkylolacrylamide containing interpolymer, the interpolymer being prepared in an emulsion polymerization medium by way of interpolymerizing in the medium: (a) acrylamide monomer; (b) N—C2 to C10 | 03/01/2011 |
| 7846296 | Absorbent sheet exhibiting resistance to moisture penetration An absorbent paper sheet is treated with an aqueous wax dispersion such that the sheet includes a fused wax and emulsifier residue in an amount of from about 1 to about 20 weight percent of the sheet based on the combined weight of the fiber, wax residue and an emul... | 12/07/2010 |
| 7842741 | Stabilized aqueous polymer compositions The aqueous polymer composition comprises a water soluble polymer having a molar weight of at least 104 Daltons and comprising functional groups which may form complexes with metal ions. The aqueous polymer compositions of this invention are stabilized ag... | 11/30/2010 |
| 7838597 | Fluid loss concentrate for hydraulic cement A fluid loss additive for hydraulic cement, comprising a polyvinyl alcohol resin and a fluid loss ameliorating sulfonic acid-functionalized co-resin, where the polyvinyl alcohol has a characteristic viscosity in the range of about 1 to about 25 cps. The invention in... | 11/23/2010 |
| 7828931 | Wet-pressed tissue and towel products with elevated CD stretch and low tensile ratios made with a high solids fabric crepe process An absorbent sheet of cellulosic fibers includes a mixture of hardwood fibers and softwood fibers arranged in a reticulum having: (i) a plurality of pileated fiber enriched regions of relatively high local basis weight interconnected by way of (ii) a plurality of lo... | 11/09/2010 |
| 7825174 | Electrically conductive strands, fabrics produced therefrom and use thereof Described are melt-spun strands having a modulus of elasticity of from 8 to 14 GPa and an elastic extension of up to 1.5%, comprising a) a thermoplastic polyester, b) a thermoplastic elastomeric block copolymer, and c) carbon black and/or graphite particles in the f... | 11/02/2010 |
| 7824764 | Antimicrobial strands, their production and their use Described are antimicrobial strands comprising a) thermoplastic elastomer, b) polymer having a melting point of at least 10° C. below the melting point of the thermoplastic elastomer and c) halogenated phenol. These strands are notable for an excellent antim... | 11/02/2010 |
| 7820855 | Method and apparatus for carbonylating methanol with acetic acid enriched flash stream A carbonylation process for producing acetic acid including: (a) carbonylating methanol or its reactive derivatives in the presence of a Group VIII metal catalyst and methyl iodide promoter to produce a liquid reaction mixture including acetic acid, water, methyl ac... | 10/26/2010 |
| 7820008 | Fabric creped absorbent sheet with variable local basis weight An absorbent cellulosic sheet having variable local basis weight includes a papermaking-fiber reticulum provided with (i) a plurality of cross-machine direction (CD) extending, fiber-enriched pileated regions of relatively high local basis weight interconnected by (... | 10/26/2010 |
| 7815731 | Polyvinyl alcohol fluid loss additive with improved rheological properties A fluid loss additive for hydraulic cement which includes at least two highly hydrolyzed polyvinyl alcohol resins having different molecular weights, or a polyvinyl alcohol resin composition having a broad molecular weight distribution. The fluid loss additive is su... | 10/19/2010 |
| 7811648 | Reduced ply separation tail seal Easy starting rolls of perforated tissue product which have a reduced tendency to ply separate are formed with an adhesively secured doubled over tail tab folded against the roll. The strength and location of the bonds are controlled by controlling the penetration o... | 10/12/2010 |
| 7803442 | Reduced ply separation tail seal Easy starting rolls of perforated tissue product which have a reduced tendency to ply separate are formed with an adhesively secured doubled over tail tab folded against the roll. The strength and location of the bonds are controlled by controlling the penetration o... | 09/28/2010 |
| 7799402 | Reduced ply separation tail seal Easy starting rolls of perforated tissue product which have a reduced tendency to ply separate are formed with an adhesively secured doubled over tail tab folded against the roll. The strength and location of the bonds are controlled by controlling the penetration o... | 09/21/2010 |
| 7790922 | Purification of acetic acid from wood acetylation process using extraction There is shown a method of purifying glacial acetic acid containing terpene and terpenoid impurities. Substantially dry acetic acid containing terpene and terpenoid impurities is combined with water and a suitable organic solvent, which is substantially immiscible w... | 09/07/2010 |
| 7790815 | Vinyl alcohol copolymers for use in aqueous dispersions and melt extruded articles In a method of preparing an aqueous dispersion selected from drilling fluids, hydraulic cement compositions, mineral pigment containing coatings, and papermaking furnishes or in a method of preparing a melt extrudate, the improvement comprising: | 09/07/2010 |
| 7789995 | Fabric crepe/draw process for producing absorbent sheet A method of making a fabric-creped absorbent cellulosic sheet comprising: a) compactively dewatering a papermaking furnish to form a nascent web having an apparently random distribution of papermaking fiber; b) applying the dewatered web having the apparently random... | 09/07/2010 |
| 7789088 | Cigarette filters including latex bonded nonwoven fabric A cigarette filter having a consolidated nonwoven fabric with an aqueous based polymer binder. The polymer binder comprises one or more polymer compositions and is stabilized by one or more high molecular weight protective colloids. While the binder may be utilized ... | 09/07/2010 |
| 7786229 | Vinyl alcohol copolymers for use in aqueous dispersions and melt extruded articles A product comprising a cold water soluble film wherein: a) the film comprises a copolymer of vinyl alcohol (VOH) with a minor amount of 2-acrylamido-2-methyl propane sulfonic acid in free acid form or as a salt of the free acid (AMPS); and b) the film has a harsh ch... | 08/31/2010 |
| 7736464 | Method of making absorbent sheet from recycle furnish A process for making absorbent sheet material from recycle furnish includes treatment with a synergistic debonder composition. The debonder is capable of reducing tensile strength by 40 percent or more by way of a quaternary ammonium surfactant component and a nonio... | 06/15/2010 |
| 7731819 | Method of making creped towel and tissue incorporating high yield fiber An absorbent sheet of cellulosic fiber typically includes at least about 15% by weight of high coarseness, generally tubular and lignin-rich cellulosic fiber based on the combined weight of cellulosic fiber in the sheet. Lignin-rich high coarseness, generally tubula... | 06/08/2010 |
| 7718036 | Absorbent sheet having regenerated cellulose microfiber network An absorbent paper sheet for tissue or towel includes from about 99 percent to about 70 percent by weight of cellulosic papermaking fiber and from about 1 percent to about 30 percent by weight fibrillated regenerated cellulose microfiber which was regenerated form a... | 05/18/2010 |
| 7704457 | Automatic, field portable analyzer using discrete sample aliquots An automated apparatus and method for analyzing liquid samples by forming discrete sample aliquots (boluses) in an elongated conduit which contains a hydrophobic carrier liquid. Aliquots may be analyzed by adding at least one reagent to the sample aliquot that react... | 04/27/2010 |
| 7704349 | Fabric crepe process for making absorbent sheet A process for making absorbent cellulosic paper products such as sheet for towel, tissue and the like, includes compactively dewatering a nascent web followed by wet belt creping the web at an intermediate consistency of anywhere from about 30 to about 60 percent un... | 04/27/2010 |
| 7691228 | Wet crepe throughdry process for making absorbent sheet and novel fibrous products An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a heated cylinder; creping the web therefrom and throughdrying the web ... | 04/06/2010 |
| 7674944 | Ni catalysts and methods for alkane dehydrogenation Catalysts and methods for alkane oxydehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of titanium (Ti), tantalum (Ta), niobium (Nb), hafnium (Hf), tungsten (W), y... | 03/09/2010 |
| 7670457 | Process for producing absorbent sheet A method of making a cellulosic web includes: forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber; b) transferring the web having a generally random distribution of papermaking fiber to a tran... | 03/02/2010 |
