Class / Patent application number | Description | Number of patent applications / Date published |
428537500 | Of paper | 56 |
20080248321 | Method for the Production of Single-and/or Multiple-Coated Substrates - A process for the production of singly and/or multiply coated paper and/or board, except for photographic papers and self-adhesive labeling papers, which are particularly suitable for printing, packaging and inscription, is described. The substrate, for example base paper or board, is coated once or several times with a free-falling liquid curtain, the coating liquid having in particular an extensional viscosity of from 1 to 1000 Pa·s at a Hencky strain of from 1 to 15. | 10-09-2008 |
20080274365 | 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, in which at least two curtain layers selected from aqueous emulsions or suspensions are formed into a composite, free-falling curtain and a continuous web of basepaper or baseboard is coated with the composite curtain, and paper or paperboard thereby obtainable. | 11-06-2008 |
20080280155 | Method of Manufacture of Direct Pressure Laminates - Using a method of direct-pressure laminating employing short cycle presses (low pressure process), one or more impregnated overlays and a non-impregnated decor sheet are laminated to a base material. | 11-13-2008 |
20080311416 | PAPER COATING COMPOSITIONS, COATED PAPERS, AND METHODS - Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper. | 12-18-2008 |
20090047533 | COMPOSITION AND METHOD FOR TREATING FIBROUS MATERIALS - Compositions useful in preventing fungal and bacterial growth in fibrous substrates, e.g., paper, are provided. These compositions also advantageously do not corrode metal substrates that are attached and/or adjacent to the fibrous substrate. The compositions contain didecyl dimethyl ammonium bicarbonate and didecyl dimethyl ammonium carbonate (DDABC), a water-soluble cationic salt of ethylene diamine tetraacetic acid, optionally water, and optionally an agent which complexes said water-soluble cationic salt of ethylene diamine tetraacetic acid. Also provided are products containing these compositions and methods of using the same. | 02-19-2009 |
20090081475 | Aqueous Solutions of Optical Brighteners - The instant invention relates to storage stable aqueous solutions of stilbene optical brighteners with polyvinyl alcohols which can be directly used by the papermaker in that they may be diluted with water and/or be metered directly into a coating composition, to provide coated papers of a particularly high whiteness. | 03-26-2009 |
20090220808 | Resin composition comprising waste of resin impregnated material - Resin composition comprising ground waste of resin impregnated materials. | 09-03-2009 |
20090324980 | Process for Producing Coated Paper and Coated Paper - A process for forming coating layers on a surface of a base paper, using coating apparatuses differing in coating method in which at least two coating layers are formed on the surface layer of the base paper, and in particular, the base paper is coated by a combination of coating by a roll coater and coating by a blade coater. | 12-31-2009 |
20090324981 | ENVIRONMENTALLY FRIENDLY DEGRADABLE PAPER PRODUCTS - A card, such as a gift card, a security card, a ticket, and/or a pass, includes a machine readable component. The card is formed of a paper or paper/film laminate material that is compostable, thereby forming a degradable product. | 12-31-2009 |
20100015459 | Composition for Improving the Printability of Coated Paper - The present invention relates to improvement in printability of coated paper by adding composition comprising granular starch onto the paper, said composition being essentially free of mineral or synthetic pigment. | 01-21-2010 |
20100015460 | METHOD FOR CONTROLLING SURFACE CONTACT AREA OF A PAPER OR BOARD SUBSTRATE - The application relates to a method for controlling contact area of a paper or board substrate ( | 01-21-2010 |
20100035076 | Method for Producing Particulate Inorganic Material - Disclosed herein are methods for producing a particulate mineral material having a desired particle size distribution, including processing the mineral material at a first location, stabilizing the processed mineral, transporting the stabilized processed mineral to a second location; and further processing the stabilized processed mineral material at the second location to a desired particle size distribution. | 02-11-2010 |
20100136355 | COATING COMPOSITION FOR PAPERS PROVIDING EXCELLENT WATER VAPOR BARRIER PROPERTIES - Composition for surface treatment of paper, paperboard or the like, which composition on a solids weight basis comprises: 20 to 55% of a binder with glass transition temperature lower than 30° C.; 45 to 80% of a talcum with an average particle size between 500 and 2000 nm, preferably 33 to 40% of a binder with glass transition temperature lower than 30° C.; 60 to 67% of a talcum with an average size between 500 and 2000 nm. The binder is a styrene butadiene latex, and the talcum has an aspect ratio of higher than 30, preferably of higher than 50, and the specific surface area of the talcum particles is between 10 and 20 m | 06-03-2010 |
20100136356 | PAPER COATING COMPOSITIONS, COATED PAPERS, AND METHODS - Embodiments of the present disclosure include paper coating compositions, coated paper and/or paperboard, and methods of forming coated paper and/or paperboard with the paper coating compositions. The embodiments of the paper coating compositions contain high levels of hollow polymeric pigment relative to other pigments used in the paper coating composition (e.g., inorganic pigments). The paper coating compositions can provide the coated paper and/or paperboard with a wide variety of desirable features (e.g., high gloss, good smoothness, improved stiffness), while minimizing compaction (i.e., permanent deformation) of the underlying base paper. | 06-03-2010 |
20100143738 | Process for Producing Biopolymer Nanoparticle Biolatex Compositions Having Enhanced Performance and Compositions Based Thereon - The present invention provides novel biolatex conjugate compositions and methods of production and use thereof. The novel biolatex conjugate compositions comprise a biopolymer-additive complex (prepared by co-extruding a biopolymer feedstock, at least one performance-enhancing additive, and at least one plasticizer under shear forces) reacted with a crosslinking agent under shear forces. The biolatex conjugate compositions exhibit enhanced performance properties for coated paper, paperboard, and other applications using extremely low levels of performance-enhancing additives. | 06-10-2010 |
20100233499 | SUBSTRATE HAVING IR-ABSORBING DYE WITH BRANCHED AXIAL LIGANDS - A substrate having an IR-absorbing dye disposed thereon. The IR-absorbing dye is a metal phthalocyanine dye having branched axial ligands. The branched axial ligands minimize interaction between π systems of adjacent dye molecules, and assist in reducing absorption of visible wavelengths. | 09-16-2010 |
20100247941 | Aminoplast Or Phenoplast Resin Based On At Least One Glyoxal Monoacetal And On Glyoxylic Acid, And Its Uses - The invention relates to aminoplast or phenoplast resins comprising the reaction product of the following compounds:
| 09-30-2010 |
20100304166 | NEW FIBER PRODUCTS - Fiber products, comprising in their body at least 20% by weight of cellulose fibers, and adequate amounts of an acid and a cationic retention aid for the acid, can be marked by means of a laser beam. | 12-02-2010 |
20100310894 | BASE PAPER FOR DECORATIVE COATING MATERIALS - Base paper for decorative coating materials with a raw paper containing 5 to 55% by weight of a white pigment and/or filler and coated with a coating solution containing at least one water soluble modified starch with a specific molecular weight distribution. | 12-09-2010 |
20100330384 | METHOD OF TREATING CELLULOSIC MATERIALS WITH HYDROPHOBINS - By treatment with hydrophobins, cellulosic materials such as paper, cardboard, cotton or, especially, wood-based materials, such as solid wood, glued wood products or particle board, can be effectively protected against absorption of and attack by water and/or moisture. | 12-30-2010 |
20110008637 | METHOD FOR IMPROVING THE PERFORMANCE OF OPTICAL BRIGHTENING AGENTS - The invention provides a more effective optical brightener composition for coating paper substrates. The invention includes an optical brightening agent (OBA) and a glycerol based polymer. This combination results in a composition that provides a surprisingly large whitening effect and does not degrade the shade of the paper. As a result extremely high degrees of whiteness can be achieved without being frustrated by the greening effect. | 01-13-2011 |
20110008638 | PAPERMAKING ADDITIVE AND PAPER CONTAINING THE SAME - A papermaking additive comprising cellulose nanofibers whose aqueous solution at a concentration of 2% (w/v) has a B-type viscosity (60 rpm, 20° C.) of 500 to 7000 mPa·s, preferably 500 to 2000 mPa·s is used to prepare a paper having improved air resistance and smoothness. This additive is prepared by oxidizing a cellulosic material with an oxidizing agent in the presence of (1) N-oxyl compound (s) and (2) bromide, iodide or a mixture thereof to prepare oxidized cellulose, and finely grinding the oxidized cellulose in a wet condition to convert the oxidized cellulose into nanofibers. | 01-13-2011 |
20110281129 | COMPOSITION COMPRISING A HYDROPHOBIN FOR GLUING PAPER PRODUCTS - The present invention relates to compositions comprising
| 11-17-2011 |
20110281130 | AQUEOUS POLYMER DISPERSION OBTAINED FROM A VINYLAROMATIC COMPOUND, CONJUGATED ALIPHATIC DIENE AND ETHYLENICALLY UNSATURATED ACID - An arylcyclohexene-free or low-arylcyclohexene aqueous polymer dispersion and processes for the preparation thereof by free radical emulsion polymerization from at least three different monomer types are described. A monomeric vinylaromatic compound, a monomeric conjugated aliphatic diene and a monomeric ethylenically unsaturated acid are copolymerized in an aqueous medium in the presence of a mercaptoalkylcarboxylic acid ester of a C | 11-17-2011 |
20120028066 | METHOD AND APPARATUS OF MANUFACTURING A HYGIENE PAPER PRODUCT - Method of manufacturing a hygiene paper product in form of a continuous paper web (W)of sheets partly separated by perforation lines ( | 02-02-2012 |
20120040199 | ERASABLE MEDIUM WITH UNCOATED SUBSTRATE - Provided are compositions and methods for making an erasable medium that can include an aqueous photochromic emulsion including a photochromic polymer, a polymer binder, and water. | 02-16-2012 |
20120040200 | Recording sheet with improved image waterfastness, surface strength, and runnability - The present invention relates to a sizing or coating composition that, when applied to paper substrate, creates a substrate having improved waterfastness, surface strength, and surface strength as measured by resistance to abrasion. In addition, the present invention relates to paper substrates containing the composition, as well as methods of using and making the paper substrate and composition. | 02-16-2012 |
20120094139 | Kaolin clay pigments - Kaolin clay pigments which contain a minor amount of gypsum provide improved properties of brightness, opacity and bulking to coated sheets. | 04-19-2012 |
20120135259 | PRINTABLE BUILDING PANEL AND METHOD FOR PRODUCING A BUILDING PANEL - With a building board with a base body ( | 05-31-2012 |
20120171505 | ANTIMICROBIAL SIZE EMULSION AND GYPSUM PANEL MADE THEREWITH - Disclosed is an emulsion of an internal paper size and a biocidal emulsifying agent, such as a cationic non-starchy quaternary ammonium compounds, that is introduced into a paper-making furnish to produce an anti-microbial paper. The antimicrobial paper is useful as facing for gypsum panels. A method of making the paper includes emulsifying the internal size with a biocide before introducing the size to the paper furnish. A method of making a microbial growth resistant gypsum panel that incorporates the antimicrobial paper is also disclosed. | 07-05-2012 |
20120214011 | DISULFO-TYPE FLUORESCENT WHITENING AGENTS IN COATING APPLICATIONS - Disulfo-type fluorescent whitening agents for optically brightening coating slips contain a synthetic binder and a different synthetic co-binder. In addition, a coating slip and its use for preparing coated papers are disclosed. | 08-23-2012 |
20120231288 | LOW IGNITION PROPENSITY WRAPPING PAPER AND METHOD AND MACHINE OF MANUFACTURING SAME - A low ignition propensity wrapping paper includes a paper web and bands arranged on the web at predetermined intervals in a longitudinal direction of the web. These bands are formed by applying a combustion-inhibition liquid onto the web. The combustion-inhibiting liquid contains a solvent and a combustion inhibitor that is sodium alginate or pectin dissolved in the solvent. The solvent is treated water obtained by substantially removing at least calcium ions and magnesium ions from raw water of a water supply or a well. | 09-13-2012 |
20130029169 | METHOD FOR PRODUCING MULTICOLOURED COATINGS - The present invention relates to a method for producing multicoloured coatings on substrates, whereby a first and a second coating composition are subsequently coated onto a substrate by partially overlapping each other in a wet-on-wet state, the first and the second coating containing a polymerisable nematic liquid crystal material, followed by polymerisation of the resulting coating, to a multicoloured coating produced by said method as well as to products comprising said multicoloured coating. | 01-31-2013 |
20130040159 | PAPER SUBSTRATE HAVING ENHANCED PRINT DENSITY - The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print sharpness, low HST, and/or image dry time, the substrate preferably having high brightness and reduced color-to-color bleed as well. In addition, the present invention relates to a method of reducing the HST of a paper substrate by applying the sizing composition to at least one surface thereof. Further, the application relates to methods of making and using the sizing composition, as well as methods of making and using the paper containing the sizing composition. | 02-14-2013 |
20130171462 | Surface Treatment of Substrate or Paper/Paperboard Products Using Optical Brightening Agent - The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises the step of spraying an aqueous composition comprising an optical brightening agent onto at least one surface of a sized paperboard substrate to form a treated paperboard substrate. The treated paperboard substrate includes a layer of OBA on at least one surface of the paper or paperboard substrate in which the brightness of the treated paper or paperboard substrate is greater than the sized paper or paperboard substrate before treating thereof. | 07-04-2013 |
20130209820 | Aqueous Compositions For Whitening And Shading In Coating Applications - Aqueous coating composition for optical brightening and shading of substrates comprising
| 08-15-2013 |
20130209821 | Aqueous Compositions For Whitening and Shading in Coating Applications - Aqueous coating composition for shading substrates, preferably paper, comprising
| 08-15-2013 |
20130252008 | SECURE PRODUCT AND METHOD OF PRODUCING SAID SECURE PRODUCT - A secure product, and a production method, comprising a first reflective layer, a second layer and a third layer including readable information, the first layer being enclosed between the second and the third layers, in which the first and second layers are transparent, at least a first part of the internal surface of the second layer comprises a diffusing microstructure, and the diffusing microstructure is positioned so as to cover a predetermined part of the readable information. | 09-26-2013 |
20140302337 | PROCESS FOR MANUFACTURING COATED SUBSTRATES - The present invention relates to a process for manufacturing coated substrates by providing a substrate, providing at least one mineral material, providing a polysaccharide material comprising one or more polysaccharides, coating the substrate with the at least one mineral material, and coating the resulting pre-coat layer of mineral material with the gel comprising one or more polysaccharides, as well as the coated substrate obtained by this process and its use. | 10-09-2014 |
20140329104 | COATING SLIPS BASED ON PARTIALLY SOLUBLE DEXTRINS OF HIGH MOLECULAR WEIGHT - A coating slip includes water, at least one pigment and at least one modified starch, exhibiting: a weight-average molecular weight ranging from 250 000 to 2 000 000 Da; and a solubility, measured according to a test A, ranging from 50 to 85%. A process for the preparation of the slip, and a process for coating paper using this slip are also described. | 11-06-2014 |
20150030869 | PIGMENT COMPOSITIONS - A pigment composition may include an inorganic particulate material, a multivalent metal salt, and a non ionic dispersant. A substrate may be coated with an aqueous coating composition including the pigment composition. The substrate may be a paper product. | 01-29-2015 |
20150111054 | A COATED SUBSTRATE AND SYSTEM AND METHOD FOR MAKING THE SAME - A coated paperboard ( | 04-23-2015 |
20150111055 | METHOD OF MANUFACTURING A BUILDING PANEL - A method of manufacturing a building panel including a core, a decorative layer and a balancing layer, including mechanically processing production waste including a resin impregnated paper to processed production waste, applying a first mix including said processed production waste and a thermosetting binder on a first surface of a core, applying a decorative layer on a second surface of the core, and curing the first mix to a balancing layer of the building panel. Also, a building panel formed by such a method. | 04-23-2015 |
20150368503 | MULTILAYER STRUCTURE AND METHOD FOR PRODUCING SAME - A multilayer structure disclosed is a multilayer structure including at least one base (X), at least one layer (Y), and at least one layer (Z). The layer (Y) contains an aluminum atom. The layer (Z) contains a polymer (E) having a plurality of phosphorus atoms. The polymer (E) is a polymer of at least one monomer including a vinylphosphonic acid compound. The multilayer structure includes at least one pair of the layer (Y) and the layer (Z) that are contiguously stacked. The layer (Z) is formed by applying a coating liquid (V) which is a solution of the polymer (E) having a plurality of phosphorus atoms. The multilayer structure disclosed is excellent in gas barrier properties, and can maintain the gas barrier properties at a high level even when subjected to physical stresses such as deformation and impact. | 12-24-2015 |
20160168797 | REUSABLE WATER WRITING PAPER, PREPARATION METHOD THEREOF, AND INKLESS PRINTING DEVICE USED FOR SAME | 06-16-2016 |
20160251804 | METHOD OF INCREASING PAPER SURFACE STRENGTH BY USING POLYALUMINUM CHLORIDE IN A SIZE PRESS FORMULATION CONTAINING STARCH | 09-01-2016 |
20180023252 | Starch Amine Complexes for Increased Water Resistance of Paper | 01-25-2018 |
20220134709 | LAMINATE FOR PAPER CONTAINER AND PAPER CONTAINER - An aspect of the present invention is a laminate for a paper container ( | 05-05-2022 |
428537700 | Next to layer of metal salt (e.g., plasterboard, etc.) | 8 |
20090110946 | INCORPORATION OF A RESIN DISPERSION TO IMPROVE THE MOISTURE RESISTANCE OF GYPSUM PRODUCTS - This invention relates to a composition suitable for use in making moisture resistant gypsum products. In particular, this invention relates to resin dispersions and their use in combination with gypsum to form moisture resistant gypsum compositions which are settable by hydration. Further, the invention relates to moisture resistant products formed from such settable gypsum compositions, e.g. panels and boards, and a method for the manufacture of such moisture resistant gypsum products. | 04-30-2009 |
20090269603 | Aqueous Glyoxyl-Based Insolubilizer Composition for the Surface Treatment of Paper and Cardboard - The invention relates to an aqueous insolubilizer composition intended for the surface treatment of paper and cardboard, comprising a mixture composed of glyoxal and of at least one alkali metal orthophosphate, and also its use. | 10-29-2009 |
20100261027 | PAPER COATING COMPOSITIONS - The present invention relates to a coating composition for paper and cardboard comprising at least one white pigment, at least one polymeric ligand and at least one synthetic or natural co-ligand, and a mixture of optical whiteners. | 10-14-2010 |
20100304167 | (METH)ACRYLIC COMB POLYMER CONTAINING A (METH)ACRYLIC ESTER AS A DISPERSING AND ANTI-DEFOAMING AGENT IN AN AQUEOUS SUSPENSION OF CALCIUM SULFATE HEMIHYDRATE - This invention relates to the use, in a foamy aqueous suspension of calcium sulfate hemihydrate, as an agent having the dual function of being a dispersing agent and an anti-defoaming agent, of a comb polymer made up of (meth)acrylic acid, a monomer which is an alcoxy- or hydroxy-polyalkylene glycol, and an ester of (meth)acrylic acid. It also relates to the aqueous suspensions thereby formed, and the plasterboard manufactured from 2 sheets of paper containing a body resulting from the drying of said suspensions. | 12-02-2010 |
20120058356 | Gypsum Based Formulations - The formulation for making plasterboard with paper cover sheets comprises finely divided gypsum, a minor amount by weight of starch and, as crosslinking agent for the starch, a tri-functional reactive s-triazine having substituents at positions 2, 4 and 6 of the triazine ring which are reactive with the starch. A preferred crosslinking agent is 2,4,6-trichloro-s-triazine, which is preferably partially reacted with the starch before further reaction with the paper cover sheets for the plaster board. | 03-08-2012 |
20120088114 | MOLD-RESISTANT GYPSUM PANEL PAPER - A mold resistant gypsum panel having improved mold- and fungal-resistance to the gypsum panel facing paper is provided. Mold-resistant gypsum panels include a gypsum core formed from a gypsum slurry that has voids as a result of foaming of the gypsum slurry. A first paper is located on one side of the gypsum core and a second paper opposes the first paper. A first paper comprises at least one liner ply and at least one filler ply. A second paper also comprises at least one liner play and at least one filler ply. The first and second papers may be substantially the same. At least one of the first paper and the second paper also includes a biocide having 75% retention of the biocide. Also included in at least one of the first and second paper are a retention aid and a sizing agent. | 04-12-2012 |
20140335367 | COMPOSITION AND RECORDING SHEET WITH IMPROVED OPTICAL PROPERTIES - A composition is provided, which comprises a water-soluble salt of a divalent metal; a complexing agent having an affinity for the divalent metal; and an optical brightening agent. Methods of using the composition, and recording sheets which include the composition, are also disclosed. | 11-13-2014 |
20150024228 | BOARD DEWATERING SYSTEM AND METHOD - A cementitious product with strengthened composite structure is provided. Energy-efficient methods for manufacturing such products are provided as well and include dewatering a partially-set cementitious product by applying vacuum, and also creating a concentration gradient across the product thickness. Systems for manufacturing such products are provided as well. | 01-22-2015 |