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| Number | Title | Issue Date |
| 8097126 | Aqueous composition and use thereof for paper production The present invention relates to an aqueous composition comprising at least one finely divided filler and at least one water-soluble amphoteric copolymer, a process for the preparation of such a composition and its use as an additive in the production of paper, card... | 01/17/2012 |
| 8048268 | Method of controlling organic contaminants in pulp and paper making processes Method for controlling the deposition of organic contaminants from the pulp and papermaking systems using water soluble aminoplast ether copolymers is described herein. The aminoplast ether copolymer can be used alone or in combination with one or more additives. Th... | 11/01/2011 |
| 7951265 | Aqueous slurries of finely divided fillers, their preparation and their use for the production of filler-containing papers Aqueous slurries of finely divided fillers which are at least partly coated with polymers and which are obtainable by treating aqueous slurries of finely divided fillers with at least one water-soluble amphoteric copolymer whose st... | 05/31/2011 |
| 7901543 | Aldehyde-functionalized polymers A composition for enhancing the dewatering of a paper sheet on a paper machine and a method for using the composition is disclosed. The composition comprising one or more aldehyde-functionalized polymers comprising amino or amido groups wherein at least about 15 mol... | 03/08/2011 |
| 7897013 | Blends of glyoxalated polyacrylamides and paper strengthening agents Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper strengthening agent, preferably a wet strengthening agent. The other compo... | 03/01/2011 |
| 7828934 | Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems This invention relates to resins useful for imparting strength to paper, the process of incorporating these resins into paper and the paper produced containing the resins. In particular the invention relates to resins useful for imparting dry-strength and wet-streng... | 11/09/2010 |
| 7641766 | Method of using aldehyde-functionalized polymers to enhance paper machine dewatering A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb/ton to about 15 lb/ton, based on dry fiber, of one or more aldehyde functionalized polymers comprising amino or amido groups wherein at least ... | 01/05/2010 |
| 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 |
| 7300545 | Water-soluble polymer dispersion, process for producing the same and method of use therefor A water-soluble polymer dispersion, process for producing the same and a method of use therefor. In particular, the water-soluble polymer dispersion is one comprising water-soluble polymer fine particles of 100 μm or less diameter having at least one ionic property... | 11/27/2007 |
| 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 |
| 7172678 | Process of making composite sheet material A composite sheet material, useful as a component of roofing shingles, and a process of making same, which includes a glass fiber web bound with a thermosetting resin which includes a fatty acid amide having the structural formula RCOONH2, where R is a C | 02/06/2007 |
| 7144474 | Method of binding particles to binder treated fibers Fiber treated with an organic nonpolymeric binder is combined with superabsorbent particles in order to bind the particles to the fiber. The nonpolymeric organic binder comprises binder molecules that include at least one functional group capable of forming a hydrog... | 12/05/2006 |
| 7090745 | Method for increasing the strength of a cellulosic product A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of conta... | 08/15/2006 |
| 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 |
| 6998016 | Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process The present invention is a through-air-drying process for producing a fibrous web that possesses not only softness and absorbency but also strength. The method of the present invention monitors and controls the overall charge in the headbox. ... | 02/14/2006 |
| 6939609 | Filler and pigment The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard products by replacing at least a part of the conventional pigments and fill... | 09/06/2005 |
| 6840006 | Accelerated mulching paper degradation process and mulching paper for implementing the process Accelerated degradation of mulching paper, formed from cellulose fibers impregnated with a hydrophobic resin to provide weather resistance, comprises spraying the paper with an enzyme solution which degrades both the resin and the cellulose. ... | 01/11/2005 |
| 6815497 | Crosslinkable creping adhesive formulations Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web to a therma... | 11/09/2004 |
| 6812281 | Crosslinkable creping adhesive formulations Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web to a therma... | 11/02/2004 |
| 6770169 | Cured urea formaldehyde resin-bound glass fiber mats A method for improving the balance of tensile strength and tear strength of cured urea formaldehyde (UF) resin-bound glass fiber nonwoven mats; the glass fiber nonwoven mats produced by the method, and a phosphate-containing binder composition useful in the method. ... | 08/03/2004 |
| 6743335 | Methods for reducing amine odor in paper A method of reducing the level of malodorous amines emitted by paper when exposed to an alkaline environment is provided, which comprises making the paper so that it does not contain ammonium groups that are bonded to any polymer contained in the paper by only one c... | 06/01/2004 |
| 6699359 | Crosslinkable creping adhesive formulations Disclosed are adhesive formulations as creping process aids for producing an absorbent creped cellulosic sheet having a high level of surface-perceived softness that comprises continuously forming a web of cellulosic papermaking fibers, adhering said web ... | 03/02/2004 |
| 6699360 | Printed, soft, bulky single-ply absorbent paper having a serpentine configuration and low sidedness and methods for its manufacture A process for the manufacture of single-ply, absorbent paper product, printed on before or after embossing on the Yankee side, air side, or both sides, having a serpentine configuration; low sidedness; a basis weight of at least about 12.5 lbs. per 3000 s... | 03/02/2004 |
| 6673205 | Use of hydrophobically modified polyaminamides with polyethylene glycol esters in paper products The present invention uses hydrophobically modified polyaminamide with standard wet strength agent to produce a softer and more absorbent paper material. The hydrophobically modified polyaminamide is substantive to cellulosic fibers, thus is able to carry... | 01/06/2004 |
| 6666951 | Process for the production of articles from treated lignocellulosic particles and a formaldehyde based resin binder An improvement in the process for the production of articles from lignocellulosic material and a formaldehyde based resin binder comprising the step of treating the lignocellulosic material prior to combining it with the binder by exposing the lignocellul... | 12/23/2003 |
| 6517682 | Process for controlling deposit of sticky material Method of inhibiting the deposit of sticky material on a papermill felt used in processing pulp slurry into sheets, comprising applying to the papermill felt at least one cationic polymer and at least one nonionic surfactant having an HLB of about 11 to 1... | 02/11/2003 |
| 6503370 | Method of producing a paper having a three-dimensional pattern Method of producing paper having a three-dimensional pattern of alternating raised and recessed portions which is given the paper in connection with impulse drying, at which the wet paper web is passed through at least one press nip (12) comprising a rota... | 01/07/2003 |
| 6500303 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a hindered amine compound which preferably is a nitroxi... | 12/31/2002 |
| 6494990 | Paper or board with surface of carboxylated surface size and polyacrylamide A paper or board is coated with a composition comprising from 30-95 parts by weight of a synthetic, carboxylated surface size containing at least about 40 mole percent of hydrophobic groups and at least about 25 mole percent of carboxylated groups such as... | 12/17/2002 |
| 6491790 | Methods for reducing amine odor in paper A method of reducing the level of malodorous amines emitted by paper when exposed to an alkaline environment is provided, which comprises making the paper so that it does not contain ammonium groups that are bonded to any polymer contained in the paper by... | 12/10/2002 |
| 6488812 | Soft tissue with improved lint and slough properties A synthetic polymer having hydrogen bonding capability and containing a hydrophobic aliphatic hydrocarbon moiety can reduce lint and slough in soft tissue products while maintaining softness and strength.... | 12/03/2002 |
| 6447644 | Inhibition of pulp and paper yellowing using nitroxides, hydroxylamines and other coadditives Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a hindered amine compound which preferably is a nitroxi... | 09/10/2002 |
| 6441240 | Method for inhibiting the deposition of white pitch in paper production Ethyleneamine compound(s), or mixtures thereof, are used in effective amounts to reduce or inhibit the deposition of white pitch on the paper making equipment during the processing to recycle coated paper.... | 08/27/2002 |
| 6419789 | Method of making a non compacted paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process The present invention is a through-air-drying process for producing a fibrous web that possesses not only softness and absorbency but also strength. The method of the present invention monitors and controls the overall charge in the headbox.... | 07/16/2002 |
| 6365000 | Soft bulky multi-ply product and method of making the same The present invention is a method of making an ultra soft, multi-ply tissue from non-premium furnish using wet press technology and the product produced thereby.... | 04/02/2002 |
| 6361653 | Method of increasing retention in papermaking using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculent and/or s... | 03/26/2002 |
| 6361652 | Method of increasing drainage in papermaking using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or s... | 03/26/2002 |
| 6361651 | Chemically modified pulp fiber The wet strength softness absorbency, absorbency rate and other valuable properties in paper products, tissues, wipes, towels, etc. can be improved by using, in the paper forming process, a cellulosic material comprising a carboxymethyl cellulose material... | 03/26/2002 |
| 6358364 | Method for flocculating a papermaking furnish using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or s... | 03/19/2002 |
| 6355137 | Repulpable wet strength paper A paper composition comprising: at least one cationic thermosetting resin comprising the reaction product of (i) at least one polyamide having secondary amine groups made from reactants comprising at least one polyalkylene polyamine, an acid component com... | 03/12/2002 |
