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| Number | Title | Issue Date |
| 8070914 | Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio The invention relates to a composition comprising (a) a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000; (b) a cationic surfa... | 12/06/2011 |
| 8062476 | High strength paper and process of manufacture A preparation of high strength paper by incorporating a polymeric film into the paper web during the paper making process is provided. The polymeric film is either a cold water soluble film or hot water soluble film or water insoluble hydrophilic film or non soluble... | 11/22/2011 |
| 8021516 | Use of water-soluble polymer complexes in aqueous systems A water-soluble interjacent complex that includes a first water-soluble polymer and one or more water-soluble monomers polymerized to form a second water-soluble polymer in the presence of the first water-soluble polymer. The water-soluble interjacent complex forms ... | 09/20/2011 |
| 7914647 | Paper manufacturing using agglomerated hollow particle latex Agglomerated hollow particle latex is employed as a filler in the wet end of the paper-making process to provide paper with improved properties. ... | 03/29/2011 |
| 7736465 | Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio The invention relates to a composition comprising (a) a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular weight charge index value of at least about 10,000; (b) a cationic surfa... | 06/15/2010 |
| 7534323 | Use for the oleo-repellent paper sizing of carboxylic perfluoropolyethers Use for the oleo-repellent paper sizing of carboxylic perfluoropolyethers of formula T-O—Rf-T (I) wherein T=—CF2—COOH or —CF2CF2—COOH and Rf is a (per)fluoropolyoxyalkylene cha... | 05/19/2009 |
| 7494566 | Composition for increasing cellulosic product strength and method of increasing cellulosic product strength A composition includes water; at least one hydrophilic polymer containing at least two groups which are independently the same or different a primary amine group or a secondary amine group and at least one saccharide containing a reducible function as described abov... | 02/24/2009 |
| 7429309 | Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making Additives for paper making are disclosed herein. Specifically, the additives are wax-free alternatives to conventional coatings, including ASA, AKD and optionally an acrylic containing composition. Other additives may be included in the coating, such as cationic par... | 09/30/2008 |
| 7425246 | Process for making multilayer coated paper or paperboard The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that are especially suitable for printing, packaging and labeling purposes,... | 09/16/2008 |
| 7422658 | Two-sided cloth like tissue webs The present invention is generally directed to paper products having great softness and strength. The paper products are formed from one or more paper webs that can be made according to various methods. In one embodiment, the paper web is an uncreped through-air dri... | 09/09/2008 |
| 7419568 | Chemically cross-linked cellulosic fiber and method of making same The present invention relates to cross-linked cellulosic fiber having improved absorbency characteristics when compared to conventional cross-linked fibers. The cross-linked cellulosic fiber is obtainable by reacting pulp in the sheet or fluff form with one or more ... | 09/02/2008 |
| 7404875 | Modified creping adhesive composition and method of use thereof A modified creping adhesive composition, comprising an adhesive component and at least one terpene modifier, and its use in the production of creped paper products by a process which includes the steps of adhering a paper web to the surface of a drying cylinder and ... | 07/29/2008 |
| 7387705 | Roller conditioning sheet and method thereof Roller conditioning sheet and a method for conditioning roller conveyors in an office machine are disclosed. The roller conditioning sheet is impregnated with a liquid conditioning material that contains at least 30 weight percent of tri-ethylene glycol. The liquid ... | 06/17/2008 |
| 7381297 | Fibrous structure and process for making same Fibrous structures, especially fibrous structures incorporated into facial tissue, toilet tissue and paper towel and napkin products, that comprise a fiber having a length of from about 0.4 mm to about 1.2 mm and a coarseness of from about 3.0 mg/100 m to about 7.5 ... | 06/03/2008 |
| 7377998 | Light-fast overlay paper An overlay paper is described which comprises a cellulosic non-woven to which a UV stabilizing agent is applied in an amount from 0.001 to 10% by weight, based on the grammage of the non-woven used, a process for producing the same and the use of the same for the pr... | 05/27/2008 |
| 7361253 | Multi-ply wiping products made according to a low temperature delamination process The present invention is generally directed to paper products having great softness and strength. The paper products are formed from one or more paper webs that can be made according to various methods. In one embodiment, the paper web is an uncreped through-air dri... | 04/22/2008 |
| 7344621 | Paper additive composition and method for producing paper using the same A paper additive composition comprising an amide compound (a) obtained by reacting a polyamine and a carboxylic acid or a salt of the amide compound (a) is provided. The polyamine is shown by formula (1): R—(NH—R1)n-NH2 (1) | 03/18/2008 |
| 7335279 | Low density paperboard articles The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microsphe... | 02/26/2008 |
| 7323084 | Methods for paper sizing with fluorinated polymers Use for the paper sizing of aqueous polyurethane dispersions from (per)fluoropolyethers obtainable by reaction among the following compounds: a) (per)fluoropolyether diols having a number average molecular weight from 400 to 5,000; b) diiso... | 01/29/2008 |
| 7323083 | Adhesion promoters for glass-containing systems Resinous coatings can be applied to glass, exhibiting improved adhesion thereto, by including in the coating composition a sulfonic acid derived compound such as 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof. Alternatively, the glass can be first coate... | 01/29/2008 |
| 7318881 | Process for sizing paper A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a sizing promoter comprising a polymer having an aromatic group, wherein ... | 01/15/2008 |
| 7311801 | Newsprint papers The object of the present invention provides a newsprint paper having a friction coefficient in an appropriate range, a sufficient sizing quality, a low “neppari” strength and excellent printability. A newsprint paper having a static friction coefficient in an a... | 12/25/2007 |
| 7303654 | Cellulosic product and process for its production The present invention relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous cellulosic suspension; (ii) adding to the suspension a clay having 3R2 stacking; and (iii) dewatering the obtained suspension. T... | 12/04/2007 |
| 7300547 | 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... | 11/27/2007 |
| 7291246 | Liquid board The invention relates to liquid board comprising one or more layers of material containing cellulose, one or more of said layers comprising an additive that has the capacity to react with or decompose a disinfectant with which said liquid board is treated, so that a... | 11/06/2007 |
| 7279071 | Paper articles exhibiting water resistance and method for making same This invention relates to a process for preparing sized paper and paperboard which incorporates in the paper and paperboard at the size press size a composition comprising one or more “hydrophobic polymers” wherein hydrophobic polymers, the amount of such polyme... | 10/09/2007 |
| 7270727 | Paper sized with a sizing agent and a selected sizing promoter Sized paper containing an amphoteric promoter resin that is a polymerization reaction product of a quaternary diallylammonium monomer, optionally a diallylammonium monomer, and an unsaturated organic acid is described. The method of sizing paper with such amphoteric... | 09/18/2007 |
| 7258763 | Temporary wet strength additives Temporary wet strength additives, more particularly, temporary wet strength additives comprising a polymer backbone, wherein the polymer backbone comprises a co-crosslinking monomeric unit, preferably a reversible co-crosslinking monomeric unit, especially in the pr... | 08/21/2007 |
| 7252741 | Method of making a paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process A method of forming a cellulosic web is discussed, the product of which may, for example, possess at least one of increased softness, strength, and absorbency. The method measures the total anionic charge and controls the net charge of an aqueous stream. ... | 08/07/2007 |
| 7250448 | Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC... | 07/31/2007 |
| 7244339 | Retention and drainage system for the manufacturing of paper A process for manufacturing a paper stock for use in making paper, paperboard and similar cellulosic products, by adding, at one or more different points of the wet end of the paper-making machine, a secondary retention and drainage agent containing a liquid smectit... | 07/17/2007 |
| 7241508 | Fragrance release paper An improved pigment-coated paper is provided which enables the use of a non-acidic basesheet in the manufacture of a fragrance release paper. The non-acidic basesheet, compared to the conventionally used acidic basesheet, is brighter and less brittle, and therefore ... | 07/10/2007 |
| 7232503 | Method in internal sizing of liquid packaging board and internal size An internal size and a method for sizing board, such as liquid packaging board, with a hydrophobising internal size containing oxetanon derivative or 2-oxetanon. The main part of the hydrocarbon chains R′ and R″ of the oxetanon derivative or 2-oxetanon are deriv... | 06/19/2007 |
| 7217339 | Fibrous structures exhibiting improved wet strength properties Fibrous structures and/or sanitary tissue products comprising such fibrous structures, more particularly to fibrous structures and/or sanitary tissue products that exhibit improved wet strength properties, especially temporary wet strength properties, as compared to... | 05/15/2007 |
| 7214434 | Paper and paperbead for protecting drywall corners The present invention relates to drywall corner beads, particularly drywall corner beads having an outer paper layer, and paper therefor. The improved paperbead includes an elongated core having an outer surface. A paper strip is bonded to the outer surface of the c... | 05/08/2007 |
| 7208068 | Dullish coated paper for printing A dull coated printing paper that is bulky (low in density) having a density of 0.90 to 1.15 g/cm3 and yet offers excellent pliability, superior surface smoothness, high degree of print gloss and minimal small-scale gloss variations in the image area are ... | 04/24/2007 |
| 7195695 | Cross-linked cellulose fibers and method of making same The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of cellulosic fibers treated with a caustic solution under non-mercerizing conditions is cross-linked with a solution containing polymeric polycarboxylic acid cross-linking agents.... | 03/27/2007 |
| 7189308 | Treated paper product A treated paper product is provided according to the invention. The treated paper product comprises a result of applying a water based emulsion to a paper base sheet to provide an impregnated paper product, and drying the impregnated paper product to a water content... | 03/13/2007 |
| 7189776 | Aqueous composition The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerising one or more ethylenically unsaturated monomers... | 03/13/2007 |
| 7175740 | Reduced by product polyamine-epihalohydrin resins Processes for rendering a polyamine-epihalohydrin resin storage stable, including processes that prepare a storage stable resin and/or processes that treat resins. A composition containing a polyamine-epihalohydrin resin which includes CPD-forming species can be tre... | 02/13/2007 |
