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| Number | Title | Issue Date |
| 8043475 | High opacity tickets A ticket stock and manufacturing process wherein a pulp is formulated from a blend of recycled furnishes, with added starch for enhancing sheet stiffness and reducing linting and dusting on cut edges of the stock, and clay or other opacifier for enhancing opacity of... | 10/25/2011 |
| 7972476 | Method for the production of tissue paper This invention relates to a method for the production of a tissue paper web, which is produced from a pulp suspension having fibers. The method according to the present invention is characterized in that the pulp suspension is formed, at least partly by, a pulp susp... | 07/05/2011 |
| 7585390 | Composite web and process for manufacture from post-industrial scrap A composite web and process for manufacture from post-industrial scrap wherein the fibers are pre-opened and cut to an average fiber length of about 4 mm. A scrap fiber component and a cellulosic component of such fibers are blended into a fiber furnish. The scrap f... | 09/08/2009 |
| 7429309 | Coating compositions comprising alkyl ketene dimers and alkyl succinic anhydrides for use in paper making Additives for paper making are disclosed herein. Specifically, the additives are wax-free alternatives to conventional coatings, including ASA, AKD and optionally an acrylic containing composition. Other additives may be included in the coating, such as cationic par... | 09/30/2008 |
| 7407561 | Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking The present invention relates to a method for controlling pitch and stickies deposit in a pulp and papermaking process using crosslinked cationic polymers made by controlled addition of a water soluble radical initiator at reaction temperature with agitation for cha... | 08/05/2008 |
| 7396438 | Lignocellulose fiber-resin composite material A method of making a formed, dried lignocellulose fiber material comprising (a) providing an aqueous lignocellulose fiber pulp slurry having an effective consistency; (b) de-watering the slurry to provide a de-watered material at an effective de-watering rate under ... | 07/08/2008 |
| 7390557 | Method for coating a web of paper or paperboard and a coated paper grade A method for manufacturing a web of paper and paperboard, in which method a spray-coating technique is used for applying a web treatment substance to at least one surface of a moving web. The qualities of the web treatment substance are selected such that at least t... | 06/24/2008 |
| 7364642 | Recycling of latex-containing broke Methods for recycling latex-containing broke are generally provided. Specifically, mechanical treatment may be employed to rework latex-containing broke for reuse in various products without the need for treatment with chemicals, such as hypochlorite, chlorine, or h... | 04/29/2008 |
| 7314561 | Method for purifying water An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or another suita... | 01/01/2008 |
| 7311801 | Newsprint papers The object of the present invention provides a newsprint paper having a friction coefficient in an appropriate range, a sufficient sizing quality, a low “neppari” strength and excellent printability. A newsprint paper having a static friction coefficient in an a... | 12/25/2007 |
| 7306846 | Flowable and meterable densified fiber particle Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been densified. The particles have a density of at least 0.3 g/cc. ... | 12/11/2007 |
| 7267773 | Integrated system and method for purifying water, producing pulp and paper, and improving soil quality An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or another suita... | 09/11/2007 |
| 7250382 | Water-disintegratable sheet and manufacturing method thereof Disclosed is a water disintegratable sheet including bast/leaf fibers and at least one kind of primary fibers. The bast/leaf fibers have a Canadian Standard freeness value of at most 600 milliliter and occupy 2 to 75% by weight of a total fiber weight of the sheet. | 07/31/2007 |
| 7241711 | Water-disintegratable sheet and manufacturing method thereof Disclosed is a water disintegratable sheet of which fibers are hydroentangled about each other. The water disintegratable sheet includes: at least one kind of primary fibers having a fiber length of at most 10 millimeter; and bast/leaf fibers having a Canadian Stand... | 07/10/2007 |
| 7166192 | Method for controlling pitch and stickies deposition A method for controlling Pitch and Stickies is disclosed. The method comprises adding hydrophobically modified hydroxyethyl cellulose (HMHEC) and cationic polymers to a cellulosic fiber slurry (pulp) or to a paper process or to a paper making system and results in a... | 01/23/2007 |
| 7160418 | Wet crepe throughdry process for making absorbent sheet and novel fibrous products An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a heated cylinder; creping the web therefrom and throughdrying the web ... | 01/09/2007 |
| 7122098 | Paper quality improver for papermaking and method for producing pulp sheet The present invention provides a paper quality improver for papermaking, for improving bulk value, brightness, and opacity of the pulp sheet. Further, the present invention provides a dry efficiency improver. A compound is used as the paper quality improver for pape... | 10/17/2006 |
| 7066006 | Method of collecting data relating to attributes of personal care articles and compositions Novel methods for measuring the soothing attributes of personal care compositions are disclosed. The methods disclosed are particularly suitable for measuring and comparing the soothing attributes of facial tissue to determine which facial tissue is most soothing to... | 06/27/2006 |
| 7040054 | Multi-purpose paper, manufacturing method thereof and the application thereof A multi-purpose paper, a manufacturing method thereof, and an application thereof are provided. The method of manufacturing the multi-purpose paper comprises steps of (a) providing a papermaking material and obtaining a clean paper pulp by treating the papermaking m... | 05/09/2006 |
| 6936136 | Amino-functionalized pulp fibers The disclosed invention is directed to pulp fibers suitable for forming a wet-laid paper product which include amino-functionality which is non-extractable in an aqueous phase. The pulp fibers may be prepared by applying an amino-functional additive to a fibrous web... | 08/30/2005 |
| 6918995 | Process for the production of paper The invention relates to a process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional fillers, which comprises separately adding to the suspension a cationic organic polymer having one or more aromatic groups and an ani... | 07/19/2005 |
| 6893536 | Process and coating composition for coating a paper web The invention relates to a process for producing a coated paper web, According to the process, a paper web is formed from a fibrous raw material in a paper machine, the paper web is coated with a pigment-containing coating mix, and the coated paper web is calendered... | 05/17/2005 |
| 6890405 | Method of controlling tackiness in papermaking To reduce the problem of tackiness caused by contaminants in recycled paper, effective amounts of talc and a terpene such as D-limonene are added to paper stock in conjunction with chemical fixing agents and retention aids. The terpene increases the affinity of the ... | 05/10/2005 |
| 6835282 | Paper web with pre-flocculated filler incorporated therein Disclosed is a process for preparing a paper web. The paper web is prepared from a low-grade furnish, which contains low-grade pulps, such as recycled pulp and/or groundwood pulp, and which, in one preferred embodiment, is a newsprint furnish. In accordance with the... | 12/28/2004 |
| 6815022 | Laminated structures constructed from adhesively joined sheet material layers One or more sheet material layers in a multi-layer laminated structure is reinforced by adhesive bridges that extend through openings in the layer and tie together the layers on either side of the reinforced layer. A plurality of openings are provided in the layer o... | 11/09/2004 |
| 6811653 | Multi-purpose paper, manufacturing method thereof and the application thereof A multi-purpose paper, a manufacturing method thereof, and an application thereof are provided. The method of manufacturing the multi-purpose paper comprises steps of (a) providing a papermaking material and obtaining a clean paper pulp by treating the papermaking m... | 11/02/2004 |
| 6740372 | Synthetic pillar and board made recyclable materials A pillar or board is formed of a casing, filling materials, and at least one plug. The casing is made of the discarded recyclable paper and is provided with at least one opening. The filling materials are sawdust and the discarded wood blocks, which are encased by t... | 05/25/2004 |
| 6709550 | Method for forming a multi-layered paper web A multi-layered paper web that has increased strength for minimizing slough and lint is provided. In one embodiment, the paper web contains an outer layer formed from unrefined hardwood fibers and an inner layer formed from refined hardwood, softwood, and machine br... | 03/23/2004 |
| 6692615 | Method of making a slurry An organic substrate is manufactured from recycled waste paper, cotton fiber and cotton gin waste, and gypsum. The recycled waste products are combined to form a slurry mixture for processing by conventional paper making machinery into a substrate that ma... | 02/17/2004 |
| 6641750 | Treatment for improving cellulose insulation An improved fire retardant cellulose insulation with reduced density and reduced settling. A method consists of adding a material, the fibers of which have a positive electrostatic charge, is added onto a shredded newspaper base either before or after the... | 11/04/2003 |
| 6641749 | Treatment for improving cellulose insulation A method for manufacturing a tire retardant cellulose insulation with reduced density and reduced settling. The method consists of adding a material, the fibers of which have a positive electrostatic charge, onto a shredded newspaper base either before or... | 11/04/2003 |
| 6602389 | Process for treating a fibrous slurry of coated broke Disclosed is a process for preparing a paper web. The paper web is prepared from a low-grade furnish, which contains low-grade pulps, such as recycled pulp and/or groundwood pulp, and which, in one preferred embodiment, is a newsprint furnish. In accordan... | 08/05/2003 |
| 6554960 | Integrated system and method for purifying water, producing pulp and paper, and improving soil quality An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or an... | 04/29/2003 |
| 6517673 | Printed, soft, bulky single-ply absorbent paper having a serpentine configuration and low sidedness and methods for its manufacture The present invention relates to a soft, thick, single-ply, printed, absorbent paper product having a Yankee side and an air side wherein the absorbent paper is printed on before or after embossing on the Yankee side, air side, or both sides, said absorbe... | 02/11/2003 |
| 6511579 | Method of making a paper web having a high internal void volume of secondary fibers and a product made by the process The present invention is a method of making a near-premium quality paper product having good strength and absorbency characteristics and a product made by that method. The invention is also a method for retaining a high ash content within a paper web form... | 01/28/2003 |
| 6406592 | Process for preparing base paper for fine paper The present invention concerns a method for producing a base paper for fine papers, the base paper being produced from a mixture of a mechanical pulp and a chemical pulp. The chemical pulp used comprises a chemical softwood pulp having a elastic modulus c... | 06/18/2002 |
| 6391154 | Paper web and a method for the production thereof The invention concerns a method for producing a paper web. According to the method a stock is produced from the fibrous raw material and the stock is formed to a web which is dried on a paper machine. According to the invention the stock is formed from a ... | 05/21/2002 |
| 6350350 | Integrated system and method for purifying water, producing pulp and paper and improving soil quality An integrated system and method for removing excess nutrients from water, for removing the nutrients from the removal site, for enhancing soil, and for producing pulp and paper products includes bioremediating water to be treated with cultured algae or an... | 02/26/2002 |
| 6332953 | Paper product having enhanced printing properties and related method of manufacture A paper product suitable for use in making envelopes and the like and having enhanced printability. The enhancement in printability is attained through the use of shoe nip calendering. The final product has the following material properties: (1) a basis w... | 12/25/2001 |
| 6322667 | Paper and paperboard of improved mechanical properties The present invention relates to an improved method of treating paper products in order to enhance various properties thereof, and more specifically, including the step of treating the paper with superheated steam. In a method of treating paper during a p... | 11/27/2001 |
