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| Number | Title | Issue Date |
| 8182650 | Modified Kraft fibers A method of producing a modified pulp comprising treating wood chips in an extraction process to remove hemicellose to form treated wood chips; and subjecting said treated wood chips to chemical or semichemical pulping to form a modified Kraft pulp wherein the amoun... | 05/22/2012 |
| 8070053 | Self-locking stackable tapered container with partial top structure A stackable container for carrying produce. The container has tapered side walls or end walls to aid in the stacking of like containers. Also, the container has locking flaps that allow the container to be erected manually and without the need for fasteners. Further... | 12/06/2011 |
| 8057637 | Paper substrate containing a wetting agent and having improved print mottle 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, enhanced print mottle, as well as print sharpness, low HST, and/or image dry ti... | 11/15/2011 |
| 8048267 | 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 inventio... | 11/01/2011 |
| 8034847 | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M., as w... | 10/11/2011 |
| 8030365 | Compositions containing expandable microspheres and an ionic compound as well as methods of making and using the same This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M., as w... | 10/04/2011 |
| 8012551 | Fast dry coated inkjet paper Disclosed are a coating composition, coated article, and a method for treating one or more sides of the printable web with the composition, for providing improved printing ink dry time and gloss. The coating composition comprises: a calcium carbonate pigment compone... | 09/06/2011 |
| 8009277 | Sensor technique for black liquor oxidation control A method for determining simultaneously from an oxidized black liquor sample an amount of sulfide, an amount of total dissolved solids, and an amount of effective alkali present in the sample, wherein the sulfide amount, the total dissolved solids amount, and the ef... | 08/30/2011 |
| 8007920 | High brightness coating compositions and related products The invention provides a coating composition that provides high brightness, high gloss and superior print quality. The coated product comprises a substrate coated on at least one side with a coating composition comprising a pigment component and a binder component t... | 08/30/2011 |
| 8007635 | Lignocellulosic materials and the products made therefrom A process comprising treating a lignocellulosic material preferably pulp in the presence of a transition metal catalyst with a oxidizing agent selected from a group consisting of hydrogen peroxide, hypochlorite, hypochlorous acid and any combination thereof to form ... | 08/30/2011 |
| 7976677 | Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base This invention relates to an improved bleaching process for bleaching pulp comprising at least one bleaching stage which comprises treating a hardwood pulp with a bleaching agent comprising ClO2 in the presence of a weak base such as, for example, Mg(OH) | 07/12/2011 |
| 7976676 | Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base This invention relates to an improved bleaching process for bleaching pulp comprising at least one bleaching stage which comprises treating a softwood pulp with a bleaching agent comprising ClO2 in the presence of a weak base such as, for example, Mg(OH) | 07/12/2011 |
| 7972477 | 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 o... | 07/05/2011 |
| 7967953 | Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability This invention relates to a paper substrate containing high surface sizing and low internal sizing and having high dimensional stability, as well as methods of making and using the composition. ... | 06/28/2011 |
| 7967952 | Durable paper The present invention relates to a durable paper or paperboard substrate containing an effective amount of synthetic fibers and having enhanced strength in the machine direction and the cross direction, as well enhanced strength through the cross section of the shee... | 06/28/2011 |
| 7967948 | Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents A process for bleaching mechanical wood pulp is provided comprising subjecting the wood pulp to at least one bleaching stage with one or more bleaching agents in the presence of one or more optical brightening agent, wherein the bleaching agents are selected from th... | 06/28/2011 |
| 7927458 | 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... | 04/19/2011 |
| 7837089 | Bulk material box A box includes an outer shell surrounding an inner sleeve having spaced apart first and second sleeve side walls attached to a sleeve bottom wall. A split sleeve top wall spaced apart from sleeve bottom wall defines spaced apart first and second open ends therebetwe... | 11/23/2010 |
| 7828935 | Papers for liquid electrophotographic printing and method for making same The specification discloses papers suitable for liquid electrophotographic printing (“LEP”) and a method for making such papers. According to the method, a papermaking furnish containing cellulosic fibers is formed into a fibrous web on a papermaking machine and... | 11/09/2010 |
| 7828930 | Use of polysulfide in modified cooking A method for Kraft pulping employing a modified cooking process in conjunction with polysulfide pulping technologies to obtain higher pulping yields than obtained in the prior art. The total required alkali charge (polysulfide liquor) is added to the beginning of a ... | 11/09/2010 |
| 7823765 | Stackable shipping and display box An elongate, rectangular box (12, 14, 40, 60, 70, 90, 100) and method for packaging containers (C), wherein the box can be cross-stacked for stable stacking of the boxes, and optimizes utilization of pallet space. Containers (C) are placed in the box in neste... | 11/02/2010 |
| 7815770 | Papers having borate-based complexing and method of making same The invention involves papers having either an internal starch or a size press applied starch and a boron-containing compound which is added in proportion to the starch and which is believed to interact with the starch to provide improved physical and mechanical pro... | 10/19/2010 |
| 7794850 | Paper articles exhibiting long term storageability and method for making same A method for increasing the long term storageability of a cellulosic paper or paperboard product. The method includes providing a paper or paperboard product made from cellulosic fibers having a basis weight ranging from about 80 to about 300 pounds per 3000 square ... | 09/14/2010 |
| 7794567 | Uncoated facestock for adhesive-backed labels Disclosed is an uncoated facestock product having enhanced printability, holdout, and edge wick properties, which are attained through a combination of manufacturing techniques including increased refining of the furnish, sizing, increased hard nip calendering, and ... | 09/14/2010 |
| 7790251 | Cut resistant paper and paper articles and method for making same The specification discloses a method for making a paper material having a reduced tendency to cut human skin. The method includes providing a papermaking furnish containing cellulosic fibers and from about 0.5 to about 5.0 wt % by weight dry basis expandable microsp... | 09/07/2010 |
| 7789996 | Paper substrates useful in wallboard tape applications This invention relates to paper products and/or substrates suitable for being made and/or converted into wallboard tape; which also may be known as joint tape and/or drywall tape, having a pH of at least 7.0 and containing a plurality of cellulose fibers, a wet stre... | 09/07/2010 |
| 7749596 | Engineered crack-resistant paper and board An engineered crack-resistant paper or board for improved runability formed by depositing a thin discontinuous thermoplastic or thermosetting polymer onto a cellulose fiber network web and having same absorbed into the network in specific geometrical formations. The... | 07/06/2010 |
| 7749580 | Gloss coated multifunctional printing paper The invention relates to a gloss coated multifunctional printing paper that can be used with a variety of office printing equipment including inkjet and electrophotographic and to processes of making and using the paper. a paper substrate; and a pigmented compositio... | 07/06/2010 |
| 7749354 | Digester wash extraction by individual screen flow control A continuous digester comprises a wash zone having a plurality of individual wash screens disposed about an inner wall of the digester for the withdrawal of co-current downflow liquor from the wash zone. A conduit is connected in fluid communication between each of ... | 07/06/2010 |
| 7745525 | Waterfast dye fixative compositions for ink jet recording sheets A coating composition comprising a blend of at least two dye fixatives, at least one of which is a cationic polymer, and at least one of the other dye fixatives is a polyvalent metal salt, to form a water-insoluble complex. The ink recording sheets comprise a compos... | 06/29/2010 |
| 7743655 | Test to measure curling tendency of paper in laser printers The invention provides an apparatus and method for testing the tendency of a paper to curl. The paper is cut from a paper making machine and rapidly humidified to standard TAPPI conditions, and is thereafter run through an apparatus having a substantially vertically... | 06/29/2010 |
| 7740740 | 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... | 06/22/2010 |
| 7740163 | Push lock An end closure design for a paperboard container having four or more end panels that form the end closure hingedly joined respectively to four side panels connected to each other by parallel, spaced apart fold lines. Each of the hinged end panels has a straight free... | 06/22/2010 |
| 7736466 | Paper substrates containing high surface sizing and low internal sizing and having high dimensional stability This invention relates to a paper substrate containing high surface sizing and low internal sizing and having high dimensional stability, as well as methods of making and using the composition. ... | 06/15/2010 |
| 7717325 | Double wall container with internal spacer A container according to a preferred embodiment of the present invention provides an inner wall and an outer wall wrapped therearound so as to define a double-wall container construction. A plurality of spacer elements are interposed between the inner and the outer ... | 05/18/2010 |
| 7682486 | 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... | 03/23/2010 |
| 7682438 | 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 havin... | 03/23/2010 |
| 7681781 | Octagonal bulk bin with self-locking gusset-fold bottom flaps An octagonal bulk bin has sidewalls, end walls and diagonal corner panels interposed between adjacent sidewalls and end walls. Bottom flaps are foldably joined to a bottom edge of the sidewalls, end walls, and diagonal corner panels, and gusset panels connect adjace... | 03/23/2010 |
| 7666495 | Uncoated facestock for adhesive-backed labels Disclosed is an uncoated facestock product having enhanced printability, holdout, and edge wick properties, which are attained through a combination of manufacturing techniques including increased refining of the furnish, sizing, increased hard nip calendering, and ... | 02/23/2010 |
| 7666274 | Durable paper The present invention relates to a durable paper or paperboard substrate containing an effective amount of synthetic fibers and having enhanced strength in the machine direction and the cross direction, as well enhanced strength through the cross section of the shee... | 02/23/2010 |
