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| Number | Title | Issue Date |
| 8016980 | Paper products A paper product includes a paperboard comprising a substrate layer, a filler layer, and a cap layer, wherein the filler layer is disposed between the substrate layer and the cap layer, wherein the filler layer includes a filler material, wherein the cap layer includ... | 09/13/2011 |
| 6899921 | Method for reducing back trap mottle and paper with reduced sensitivity for back trap mottle A method for reducing back trap mottle of coated paper, comprising adjusting the absorbency of the coated surface combined with adjusting the adhesion between the coated paper surface and the ink. Polar additives are used in the paper coating to increase the polar f... | 05/31/2005 |
| 6706147 | Process for making fiber mats for materials of construction having improved tear strength The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde ty... | 03/16/2004 |
| 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 |
| 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 |
| 6368456 | Method of making paper from aldehyde modified cellulose pulp with selected additives This invention relates to paper comprising aldehyde modified cellulose pulp prepared using nitroxyl radical mediated oxidation and further containing selected additives comprising aldehyde functional polymers or polymers containing functionality capable o... | 04/09/2002 |
| 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 |
| 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 |
| 6315824 | Coacervate stabilizer system The present invention relates to a stabilized emulsified or dispersed composition comprising a hydrophobic phase and an aqueous phase, the composition being stabilized by a cationic colloidal coacervate stabilizing agent, the coacervate stabilizing agent ... | 11/13/2001 |
| 6309509 | Composition and paper comprising cellulose ester, alkylpolyglycosides, and cellulose This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally, cellulose. The process of incorporating APG or a mixture... | 10/30/2001 |
| 6306493 | Laser-markable paper and board products There is provided laser-markable paper and board products which include micronized polymers comprising of linear aromatic polyesters and/or of linear polyarylenes having a particle size of from 0.1 to 100 μm as absorber material and material for carboniz... | 10/23/2001 |
| 6291127 | Water-borne polyester coated imaging member The invention relates to an imaging member comprising at least one image layer and a base, said base comprising a cellulose paper that has its surfaces impregnated with water dispersible ester-based condensation polymer wherein the surface of said base ha... | 09/18/2001 |
| 6254724 | 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... | 07/03/2001 |
| 6228223 | Composition for treatment of cellulosic material The present invention generally relates to an aqueous softening and antistatic agent composition comprising a quaternary ammounium compound and a biodegradable nonionic surfactant, which composition comprises a quaternary ammounium compound having the for... | 05/08/2001 |
| 6210475 | Use of hydroxyalkylated starches for improved emulsification of sizing agents The present invention is directed to paper sizing emulsions, a method of making sizing emulsions, a method of sizing paper products, such as paper and board, and paper or board made using the method and the sizing emulsions of the invention. The paper siz... | 04/03/2001 |
| 6207014 | Softening lotion composition, use thereof in paper making, and resulting paper product The invention concerns in particular a composition for a softening lotion used in fiber treatment. In the invention, the lotion composition is aqueous and liquid at a temperature of at least 5° C. and comprises, as active substances: (a) one or more satu... | 03/27/2001 |
| 6193841 | Shaped, plastic articles comprising a cellulose fiber, a cellulose ester, and a non-ionic surfactant This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally, cellulose. The process of incorporating APG or a mixture... | 02/27/2001 |
| 6179962 | Paper having improved strength characteristics and process for making same Process for making paper having improved strength characteristics by adding to the pulp water-soluble and/or water-dispersible cationic polymer and oxidized galactose type of alcohol configuration containing polymer.... | 01/30/2001 |
| 6156387 | Process for surface treatment of material webs, in particular paper and cardboard webs, using adhesive agents The invention relates to a process for the thermomechanical surface treatment of flat webs of material, particularly those made of paper and carton, and to agents for performing said process. According to the process of the invention, adhesion between the... | 12/05/2000 |
| 6114435 | Preparation of aqueous solutions of polymers containing vinylamine units, which solutions have a long shelf life, and their use Solutions of polymers containing vinylamine units, which solutions have a long shelf life, are prepared by hydrolyzing polymers containing N-vinylcarboxamide units with acids in an aqueous medium and removing the carboxylic acids eliminated from the polym... | 09/05/2000 |
| 5858172 | Method of softening pulp and pulp products produced by same Wood pulp sheets treated with triacetin and other compounds, or solutions or emulsions of same, having increased softness while maintaining absorbency, and methods for producing same. More particularly, the invention relates to the treatment of wood pulp ... | 01/12/1999 |
| 5846381 | Process for making a printing paper with binder mixtures for paper coating slips Papers which are coated with a paper coating slip based on a binder containing A) from 1 to 49% by weight of polymers based on esters of acrylic acid or of methacrylic acid with a C4 -C12 -alkanol, having a glass transition temperatu... | 12/08/1998 |
| 5795377 | Method for modifying papermaking sludge and products made from modified papermaking sludge Papermaking sludge can be modified to a modeling clay-like consistency by the addition of one or more dispersing agents, such as polyacrylamide. The modified papermaking sludge can be formed into a number of useful products, such as paper sheets or extrud... | 08/18/1998 |
| 5776308 | Method of softening pulp and pulp products produced by same Wood pulp sheets treated with triacetin and other compounds, or solutions or emulsions of same, having increased softness while maintaining absorbency, and methods for producing same. More particularly, the invention relates to the treatment of wood pulp ... | 07/07/1998 |
| 5750253 | Printing paper and newsprint paper with improved water absorptivity and the manufacturing process Printing paper such as newspaper printing paper, the water absorbency of which is controlled by coating material for controlling water absorbency on the surface of base paper, wherein the coating material contains component A which is at least one water-s... | 05/12/1998 |
| 5690790 | Temporary wet strength paper The present invention relates to paper products having temporary wet strength. The paper products contain cellulosic fibers that are treated with a polyaldehyde polymer having free aldehyde groups and a water soluble polyhydroxy polymer. The initial wet s... | 11/25/1997 |
| 5665853 | Dry strength resin compositions The tensile strength properties of paper are improved by adding to paper stock a resin composition comprising a water-soluble polymer containing a polyhydric alcohol such as sorbitol in the backbone of the polymeric molecule.... | 09/09/1997 |
| 5622786 | Polymer-reinforced, eucalyptus fiber-containing paper An improved-strength, polymer-reinforced paper which includes fibers, of which at least about 30 percent on a dry weight basis are eucalyptus fibers; and from about 15 to about 60 percent by weight, based on the dry weight of the fibers, of a latex binder... | 04/22/1997 |
| 5604078 | Receiving element for use in thermal dye transfer Thermal dye transfer receiving elements are disclosed comprising a base having thereon a dye image-receiving layer, the base comprising a composite film laminated to a support, the dye image-receiving layer being on the composite film side of the base. Th... | 02/18/1997 |
| 5595828 | Polymer-reinforced, eucalyptus fiber-containing paper An improved-strength, polymer-reinforced paper which includes fibers, of which at least about 30 percent on a dry weight basis are eucalyptus fibers; and from about 15 to about 60 percent by weight, based on the dry weight of the fibers, of a latex binder... | 01/21/1997 |
| 5543446 | Water-soluble acrylamide/acrylic acid polymers and their use as dry strength additives for paper A water-soluble terpolymer for use as a dry strength additive for paper consists essentially of the following units: (a) (meth)acrylamide, (b) an ethylenically unsaturated, aliphatic carboxylic acid or a salt thereof, and (c) a water-soluble, polyvinyl mo... | 08/06/1996 |
| 5520777 | Method of manufacturing fiberboard and fiberboard produced thereby In manufacturing fiberboard, it is known to press mixtures of lignocellulosic material and binding agents to form a board product. In this invention, an improved process for manufacturing fiberboard is disclosed including the step of adding a solution of ... | 05/28/1996 |
| 5498315 | Method of modifying the opacity of paper and paper produced thereby A method of enhancing the opacity of paper and paper of enhanced opaqueness is provided wherein a reaction product of dimerized acid and alkanol diamine an further including a surfactant, is added to a slurry of cellulose fibers in a papermaking process. ... | 03/12/1996 |
| 5494731 | Tissue paper treated with nonionic softeners that are biodegradable Tissue papers, in particular pattern densified tissue papers, having an enhanced tactile sense of softness when treated with certain nonionic softeners are disclosed. These nonionic softeners are biodegradable and comprise sorbitan esters, ethoxylated/pro... | 02/27/1996 |
| 5415739 | Detackification agent for adhesives found in paper fiber furnishes Adhesive contaminants in secondary fiber paper pulps are detackified by the use of a water soluble terphthalate glycol terpolymer.... | 05/16/1995 |
| 5256254 | Methods of controlling deposition in a paper machine dryer section The present invention is directed to the use of phosphate esters or taurines to inhibit dryer section deposition in a pulp making or paper machine when the pulp furnish used contains tacky materials. The deposition control agent may be added to the pulp f... | 10/26/1993 |
| 5252754 | Fluorinated aldoketene dimer structures and their use as combination oil and water resistant sizes for cellulosic materials Aldoketene dimer sizing agents that can efficiently impart both oil and water sizing properties to paper, of an unsaturated ଲ-lactone structure containing terminal perfluoralkyl groups separated from the ketene moiety by at least three carbon atoms,... | 10/12/1993 |
| 5209823 | Water-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber mat A water-soluble dispersant which aids in the dispersion of polyester fibers during the preparation of a wet-laid nonwoven fiber mat, the water-soluble dispersant comprising: polyethylene glycol in an amount greater than about 80% by weight of the water-so... | 05/11/1993 |
| 5207871 | Process for making transparent paper using a UV curable compositions of maleate, vinyl monomer and an allyl compound A composition which is cured upon exposure to ultraviolet light in the absence of solvent is disclosed. The liquid composition is prepared by combining a liquid maleate polyester and at least one of a vinyl compound and an allyl functional compound. A pho... | 05/04/1993 |
| 5143582 | Heat-resistant nonwoven fabrics A method for making a heat resistant nonwoven fabric is provided. A formaldehyde-free binder composition containing a carboxy group, or a carboxylic anhydride, or salts of a carboxy group; and a ଲ-hydroxyalkyl amide contacts a nonwoven fabric contai... | 09/01/1992 |
