Class 162/176 - Cellulose (non-fibrous)

Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes and products which include, as the additive, cellulose
No. of patents: 34
Last issue date: 11/09/2010

Number	Title	Issue Date
7828936	Dissolution of cellulose in mixed solvent systems A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose bas...	11/09/2010
7226526	Starch and fiber mixture for papermaking and methods of making paper with the mixture The invention relates to a starch and fiber mixture, and the application of a starch and fiber mixture in paper manufacturing. The starch and fiber mixture is applied to a paper mat, after the paper mat is formed. The starch and fiber mixture may be obtained by the ...	06/05/2007
7138035	Process for the selective modification of carbohydrates by peroxidase catalyzed oxidation The present invention relates to an environmentally friendly process for the selective oxidation of carbohydrates. The process comprises the addition of a hydroperoxide, including hydrogen peroxide, to a carbohydrate having primary alcohol groups, particularly inclu...	11/21/2006
7094317	Process of manufacturing and using highly refined fiber mass The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material from primarily parenchymal cell wall structures in an aqueous solution which need not contain an a...	08/22/2006
7074300	Cellulose fiber-based compositions and their method of manufacture The present invention comprises an improved method for refining cellulose that produces a highly refined cellulosic material. The method comprises soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate re...	07/11/2006
7011729	Starch and fiber mixture for papermaking and methods of making paper with the mixture The invention relates to a starch and fiber mixture, and the application of a starch and fiber mixture in paper manufacturing. The starch and fiber mixture is applied to a paper mat, after the paper mat is formed. The starch and fiber mixture may be obtained by the ...	03/14/2006
6881300	Sizing agent and recording paper comprising sizing agent A recording paper coated or impregnated with a sizing agent containing a water-soluble soybean polysaccharide as an indispensable component, and optionally a cationic polymer and a surfactant, preferably a nonionic surfactant having HLB of 5-15. The water-soluble so...	04/19/2005
6506435	Cellulose fiber-based compositions and their method of manufacture An improved method for refining cellulose that produces a highly refined cellulosic material comprising soaking raw material in a mild NaOH using reduced temperatures and pressures, and refining the material with a plate refiner so that a waste water stre...	01/14/2003
6455661	Papermaking additives and mechanical pulp with primary amino groups A graft polymer comprises a carbohydrate polymer having pendant 3-amino-2-hydroxy propyl groups grafted thereon and may be employed as a retention aid and strengthening additive in paper manufacture. When the carbohydrate polymer is a component of wood pu...	09/24/2002
6423182	Surface-sizing agent and recording paper comprising same A surface-sizing agent for providing a recording paper contains bacterial cellulose and/or plant-originated fine fibrous cellulose (having an average diameter of 10 μm or less), and a cationic polymer. The cationic polymer may be at least partially bonde...	07/23/2002
6314964	Cigarette paper containing carbon fibers for improved ash characteristics The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that th...	11/13/2001
6193843	Cationic polysaccharides and reagents for their preparation Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati...	02/27/2001
6183596	Super microfibrillated cellulose, process for producing the same, and coated paper and tinted paper using the same A super microfibrillated cellulose having an arithmetic average fiber length of 0.05 to 0.1 mm, a water retention value of at least 350%, a rate of the number of fibers not longer than 0.25 mm of at least 95% based on the total number of the fibers as cal...	02/06/2001
6114417	Paper sizing agents and methods Sizing agents comprised of dispersed synthetic polymers in an aqueous solution are provided, as well as methods for making these sizing agents and methods for using these sizing agents to size paper. Improved sizing is obtained by including recurring unit...	09/05/2000
5810972	Method for the production of creped hygienic cellulose paper A method for the manufacture of creped hygienic cellulose paper, in particular. A hemicellulose containing additive, in particular galactomannan, xylan or highly milled birch pulp, is added to the pulp either prior to the pulp being deposited on the wire ...	09/22/1998
5494509	Paper coating composition with increased thickener efficiency A paper coating composition is provided having a clay-containing pigment system, a binder, a polysaccharide thickener, and at least 0.005% to 2%, based upon the weight of the polymer, of a blocking agent that serves to prevent more than 25% of the polysac...	02/27/1996
5349089	Reagent for preparing polycationic polysaccharides Cationic polysaccharide derivatives are prepared by reacting a polysaccharide with a polycationic reagent having one polysaccharide reactive group and at least two cationic groups. Suitable reagents include polycationic alkyl, aryl, alkaryl, cycloaliphati...	09/20/1994
5316623	Absorbance and permanent wet-strength in tissue and toweling paper A method for imparting wet strength to paper with improved water absorbency, that comprises adding to an aqueous suspension of cellulosic paper stock a neutral or alkaline-curing thermosetting wet-strength resin, a water-soluble polymer containing carboxy...	05/31/1994
5292403	Method for inhibiting the deposition of organic contaminants in pulp and papermaking processes A method of inhibiting the deposition of organic contaminants in a pulp and papermaking system comprising adding to the system an effective amount of a detackifying composition comprising a charged polymer and an oppositely charged surfactant, with the pr...	03/08/1994
5153317	Composition and method for rheology controlled printing of fabric and carpet A composition and its method of use are disclosed for controlling rheology of an aqueous dye, which composition comprises 1-30 parts of a gum selected from the group consisting of xanthan gum, rhamsan gum, welan gum and mixtures thereof and 70-99 parts of...	10/06/1992
5079348	Film-forming size composition A film forming composition useful as a paper size is described which includes 1-20 parts, preferably 2-15 parts, by weight of a gum selected from the group consisting of xanthan gum, rhamsan gum, welan gum and mixtures thereof; 3-20 parts, preferably 5-17...	01/07/1992
5074961	Process for controlling pitch deposition from pulp in papermaking systems The invention is a process for controlling pitch deposition from pulp in papermaking systems, by an effective amount of a polymer having methyl ether groups pendant to the backbone of the polymer to the pulp term "polymer". A preferred embodiment of the i...	12/24/1991
4978364	Triiodide-phosphoric acid stain and method for cellulose fiber evaluation A triiodide-phosphoric acid stain when applied to either moist or dry fiber samples produces a range of colors indicative of the fiber species and the degree of refining of the fiber. The stain is made from an aqueous triiodide solution of about 0.6M in p...	12/18/1990
4832791	Multipurpose sheet material and method of manufacture A sheet material is produced by pressing to sheet form in the presence of water a material derived from a plant of the type Beta Vulgaris (sugarbeet and beetroot). Fresh plant material can be used as well as plant material already used for sugar productio...	05/23/1989
4820380	Stabilized starch suspensions Aqueous suspensions of uncooked starch are stabilized by adding to the suspension a minor amount of a hydrophilic polymeric viscosity-increasing agent effective to prevent dilatancy and to increase the viscosity of the suspension so that settlement of sta...	04/11/1989
4692211	High strength, cellulosic-gel-containing kraft paper and process for making the same High strength, cellulosic-gel-containing kraft paper is made by mechanically refining kraft papermaking pulp to a freeness of CSF 500-800, mixing the resulting refined pulp with from 1 to 10% hydrated cellulosic gel binder, running the resulting fluid mix...	09/08/1987
4411738	Press cycle reduction for wet pressed hardboard The production of hardboard by the wet press process is speeded up by the incorporation of finely divided fibers in an aqueous slurry of otherwise fast draining wood fibers and a thermosetting binder so that a barrier of said fine fibers is formed during ...	10/25/1983
4173248	Medium density, high strength lignocellulose composition board including exhaustively hydrated cellulosic gel binder A medium density, high strength lignocellulose composition board comprises on a dry weight basis from 60 to 95% lignocellulose particles and from 5 to 40% exhaustively hydrated cellulosic gel binder, the gel binder being characterized in its gel condition...	11/06/1979
4161423	Use of a dissolved cellulose as a dry strength agent and drainage aid for paper Cellulose dissolved in a suitable solvent and added to an aqueous suspension of paper-making cellulose fibers provides paper of improved dry strength....	07/17/1979
4111730	Producing recycle composition paper flake board A method of producing dry-process composition paper board from waste paper. Waste paper is particulated into flakes and the like fragments, conditioned for moisture content, and blended with an adhesive such as a synthetic thermosetting resin prior to for...	09/05/1978
4105033	Powdered grafted cellulose A selected powdery form of a graft copolymer containing hydrophilic chains provides a highly moisture-absorbent media which is suitable for use in absorbent bodies, particularly those used for absorbing body exudates such as catamenial devices, diapers, w...	08/08/1978
4077833	Fire resistant, bauxite-containing, wood composition board A fire resistant bauxite composition board comprises, in percent by weight, from 10 to 85% lignocellulose particles, from 65 to 20% bauxite particles, and from 5 to 25% binder, particularly a hydrated cellulosic gel binder. The bauxite, (aluminum oxide di...	03/07/1978
4043862	Fire resistant vermiculite composition board and method of manufacture A fire resistant vermiculite composition board comprises, in percent by weight, from 40 to 90% heat expanded vermiculite particles; from 5 to 20% ceramic clay particles; from 10 to 30% hydrated cellulosic gel having a TAPPI drainage time of at least 900 s...	08/23/1977
4011130	Leather-like waterlaid sheets containing particulate fillers Waterlaid sheets comprising essential solids consisting of (I) elastomeric binder, and (II) nonelastomeric solids comprising inflexible, non-fibrous, rounded, particulate fillers and a fibrous reinforcing component. The waterlaid sheets are useful as subs...	03/08/1977

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Class 162/176 - Cellulose (non-fibrous)