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| Number | Title | Issue Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 7070865 | Repulpable corrugated boxboard A coating composition for the linerboard of corrugated paperboard provides water and grease resistance but is water vapor permeable, and thus permits a different mode of manufacture of corrugated paperboard when aqueous adhesives are employed in the assembly of the ... | 07/04/2006 |
| 7045036 | Method and apparatus for producing sized paper of board A method and assembly is disclosed for manufacturing a sized web of paper or paperboard, the method comprising the steps of first forming the web at a headbox (1) from a stock comprising at least water and fiber, then pressing the web for water drainage, and ... | 05/16/2006 |
| 6852198 | Resin composition, water-resistant/moisture-proof paper, containing the same, and process for producing the same Disclosed is a resin composition for water-resistant and moisture-proof paper comprising 40 to 75 parts by weight of a polyolefin (A), 25 to 60 parts by weight of a tackifier (B) and 0 to 20 parts by weight of a compatibilizing agent (C), the total of (A), (B) and (... | 02/08/2005 |
| 6777103 | Fiber cement composite material using biocide treated durable cellulose fibers A fiber cement composite material providing improved rot resistance and durability, the composite material incorporating biocide treated fibrous pulps to resist microorganism attacks. The biocide treated fibers have biocides attached to inner and outer surfaces of i... | 08/17/2004 |
| 6758943 | Method of making a high utility tissue A toilet tissue product which having a cellulosic ply having at least one layer incorporating a repellant agent and a debonder which are each substantially dispersed throughout the layer. The layer is configured to provide a substantially homogeneous structure havin... | 07/06/2004 |
| 6565709 | Process for producing dimensionally stable release liner and product produced thereof A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated fibers using heat and/or pressure so that the hydrophobic sizi... | 05/20/2003 |
| 6540877 | Internal paper sizing improvements An improvement is disclosed over conventional internal sizing of stock furnish for papermaking, wherein alum is added to the thick paper stock and the long retention time permits complete reaction with the fibers. The invention process permits successfull... | 04/01/2003 |
| 6436181 | Sizing composition and a method of sizing A sizing composition and a method of sizing a cellulosic fiber material are disclosed. The sizing composition comprises an aqueous dispersion of a rosin material and a polyaluminium compound, and is characterised in that the polyaluminium compound is a po... | 08/20/2002 |
| 6416628 | Method of producing dimensionally stable paper and paperboard products A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated fibers using heat and/or pressure so that the hydrophobic sizi... | 07/09/2002 |
| 6379498 | Method for adding an adsorbable chemical additive to pulp during the pulp processing and products made by said method Pulp fibers can be treated with adsorbable chemicals with a minimal amount of unadsorbed chemical additives present later in the papermaking process water. A method for adding an adsorbable chemical to pulp includes mixing pulp fibers that have never been... | 04/30/2002 |
| 6368457 | Internal paper sizing agent The present invention comprises an alum/rosin composition for internally sizing paper which is useful in any papermaking furnish with moderate to high hardness, as well as methods for preparing such alum/rosin composition. Employing the invention alum/ros... | 04/09/2002 |
| 6346170 | Polyamidoamine/epichlorohydrin resins bearing polyol sidechains as dry strength agents Compositions suitable for use as dry strength additives comprising water soluble polyamidoamine/epchlorohydrin resin bearing polyol sidechains wherein the weight fraction of the polyol in the resin is less than 50 percent by weight and the polyol sidechai... | 02/12/2002 |
| 6273997 | Rosin/hydrocarbon resin size for paper Discloses is a method for sizing paper at a pH of about 5.0 to about 8.5 by incorporating a sizing composition consisting essentially of (a) rosin, (b) at least one hydrocarbon resin, (c) a cationic component consisting essentially of a cationic polyamine... | 08/14/2001 |
| 6228219 | Rosin sizing at neutral to alkaline pH Disclosed is a method for sizing paper at a pH of about 5.0-8.5 by incorporating a sizing composition consisting essentially of (1) rosin, (2) a cationic polyamine resin at a weight ratio of rosin to cationic polyamine of about 5:1 to about 1:2, and (3) u... | 05/08/2001 |
| 6225437 | Sizing agents of enhanced performance capabilities Provided are alkenyl and/or alkyl succinimides formed from at least one alkenyl or alkyl succinic anhydride and at least one aliphatic amine having one or two primary amino groups in the molecule. These succinimides are characterized in that each alkenyl ... | 05/01/2001 |
| 6187143 | Process for the manufacture of hydrophobic paper or hydrophobic board, and a sizing composition The invention relates to a process for the manufacture of hydrophobic paper or board by using rosin sizing, an organic complexing agent being used together with the rosin size. The invention also relates to a sizing composition.... | 02/13/2001 |
| 6165320 | Method of sizing This invention relates to a method of sizing paper comprising use of a sizing composition comprising: (a) at least one thermoplastic resin selected from the group consisting of thermoplastic rosins having an acid number less than 50, thermoplastic hydroca... | 12/26/2000 |
| 6162328 | Method for surface sizing paper with cellulose reactive and cellulose non-reactive sizes, and paper prepared thereby There is disclosed a method for sizing paper by adding to the surface of the paper a sizing composition comprising cellulose reactive and cellulose non-reactive size. The sized paper performs better in ink jet printing than does paper that is the same exc... | 12/19/2000 |
| 6114417 | Paper sizing agents and methods Sizing agents comprised of dispersed synthetic polymers in an aqueous solution are provided, as well as methods for making these sizing agents and methods for using these sizing agents to size paper. Improved sizing is obtained by including recurring unit... | 09/05/2000 |
| 6048439 | Modified rosin emulsion The invention disclosed herein is directed to a modified rosin emulsion, to methods for making the modified emulsion and to uses for the emulsion. The modified emulsion of the invention is made by mixing emulsified rosin solids with a water soluble salt o... | 04/11/2000 |
| 6042691 | Cationic dispersions of fortified and modified rosins for use as paper sizing agents A paper sizing agent is a rosin stabilized with a rosin-stabilizing amount of a cationic polyamidoamine-ethyleneimine-epichlorohydrin polymer resin, which is mixed with an aqueous dispersion containing paper pulp in a method for the production of paper.... | 03/28/2000 |
| 6033526 | Rosin sizing at neutral to alkaline pH Disclosed is a method for sizing paper at a pH of about 5.0-8.5 by incorporating a sizing composition consisting essentially of (1) rosin, (2) a cationic polyamine resin at a weight ratio of rosin to cationic polyamine of about 5:1 to about 1:2, and (3) u... | 03/07/2000 |
| 5868309 | Carton having buckle-controlled brim curl and method and blank for forming the same A paperboard container and method of forming such container having a rolled brim is disclosed. The container being formed of a paperboard material having a caliper of at least approximately 0.007 inches, a rolled brim arc length of less than about 0.25 in... | 02/09/1999 |
| 5846308 | Emulsifier system for rosin sizing agents A dispersed rosin sizing composition comprising rosin stabilized by a cationic colloidal coacervate dispersing agent, the coacervate dispersing agent comprising an anionic component and a cationic component, the anionic and cationic components being prese... | 12/08/1998 |
| 5817214 | Rosin emulsion sizing agent for paper making and method for paper sizing using the same A rosin emulsion sizing agent for paper making comprising a rosin substance, a dispersing agent and water, the rosin substance comprising (a) a rosin or a fortified rosin and (b) a rosin ester or a fortified rosin ester, the dispersing agent comprising a ... | 10/06/1998 |
| 5810970 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 09/22/1998 |
| 5744002 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 04/28/1998 |
| 5741889 | Modified rosin emulsion The invention disclosed herein is directed to a modified rosin emulsion, to methods for making the modified emulsion and to uses for the emulsion. The modified emulsion of the invention is made by mixing emulsified rosin solids with a water soluble salt o... | 04/21/1998 |
| 5736010 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 04/07/1998 |
| 5736009 | Germicidal packing paper with electroconductivity and method for preparing the same A packing paper, superior in antibacterial activity, deodorization and electroconductivity, which is prepared by a method having the steps of making a pulp-dispersed mixture comprising 80 to 94% by weight of an aqueous pulp, 1 to 5% by weight of carbon st... | 04/07/1998 |
| 5714042 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 02/03/1998 |
| 5711853 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 01/27/1998 |
| 5707491 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 01/13/1998 |
| 5700353 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 12/23/1997 |
| 5700354 | Paper strengthened with solubilized collagen and method A method for making a collagen strengthened cellulosic sheet by providing a cellulosic pulp slurry; adding solubilized collagen to the pulp slurry, and mixing for a time effective for interaction of the cellulosic pulp slurry and solubilized collagen; for... | 12/23/1997 |
| 5686262 | Recycle process for the production of low-cost soluble collagen The invention includes a method that provides a low cost aqueous solution of solubilized collagen by the steps of: (a) providing an aqueous ground slurry of insoluble collagen and adjusting the pH of said slurry to obtain activity for a proteolytic enzyme... | 11/11/1997 |
