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Class 162/10 - With non-fiber material added to product


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes combined with the addition or retention of a nonfibrous
No. of patents: 26
Last issue date: 05/27/2008


NumberTitleIssue Date
7378149High strength material using cellulose microfibrils
The present invention relates to a high strength material and a high strength molded article including 65 to 100 wt. % of cellulose microfibrils; and products comprising these. The material, which is lightweight and has a very high strength, can be used for various ...
05/27/2008
7364640Chemimechanical desilication of nonwood plant materials
A process for removing silica from nonwood plant materials involving both chemical and mechanical action is described. The silica-rich epidermal cells are liberated mechanically by a pre-pulping and low-consistency refining step and subsequently removed from the pul...
04/29/2008
7300546Cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to decay, these treatments have not been entirely satisfactory where the ...
11/27/2007
7297230Method for producing cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to decay, these treatments have not been entirely satisfactory where the ...
11/20/2007
7255776Paper product and method therefor using molten wax suspension
A method including improving a property of a paper product precursor by adding a molten wax suspension to paper product precursor, the molten wax suspension including a suspension of liquid wax particles in a liquid solvent, the liquid wax particles being at a tempe...
08/14/2007
7244338Method for producing cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to decay, these treatments have not been entirely satisfactory where the ...
07/17/2007
7179348Method for producing cellulose fiber having improved biostability and the resulting products
A cellulose fiber having extended biostability and the method of its manufacture are described. While prior treatments of cellulose with biotoxic metal compounds have given improved resistance to decay, these treatments have not been entirely satisfactory where the ...
02/20/2007
7045027Method of producing a fiber board
The present invention relates to a method of producing a fiber board characterized in that it comprises the following processes (a)–(f): (a) a separating process of a bast portion, (b) a fiberizing process by defibrating the bast portion ...
05/16/2006
6777103Fiber cement composite material using biocide treated durable cellulose fibers
A fiber cement composite material providing improved rot resistance and durability, the composite material incorporating biocide treated fibrous pulps to resist microorganism attacks. The biocide treated fibers have biocides attached to inner and outer surfaces of i...
08/17/2004
6579410Pigment materials and their preparation and use
A new composite material which is useful as a pigment in paper making or paper coating is produced by precipitating a white insoluble pigment compound, eg calcium carbonate, in an aqueous suspension containing a mixture of fine particulate material eg tit...
06/17/2003
6425973Treatment of solid containing material derived from effluent
A method of treating solid containing material derived from effluent or sludge from a plant for de-inking paper, the material containing calcium in the form of one or more insoluble calcium compounds, the method including the steps of treating the materia...
07/30/2002
6336993Metal removal from comminuted fibrous material during feeding
A system and method for feeding a slurry of comminuted cellulosic fibrous material such as wood chips to the top of a treatment vessel such as a continuous digester also treat the material to remove metals before digestion. During pumping of the slurry wi...
01/08/2002
6309509Composition 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
6193841Shaped, 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
6063611Alkaline cellulase and method of producing same
The present invention provides a novel cellulase composition obtainable from Bacillus sp. CBS 669.93. A preferred cellulase has a calculated molecular weight of approximately 63 kD, a calculated isoelectric point of about 5 and a pH optimum on CMC of abou...
05/16/2000
5968634Heat fixing paper or sheet
A paper or transparency receiving toner to be fixed by heat has an ionomeric resin on its outer surface. For universal application, the outer layer is a blend of non-ionomeric resin, such as styrene acrylate copolymer, and an ionomer, which permits the ma...
10/19/1999
5804035Process for recovering chips and fibers from residues of timber-derived materials, old pieces of furniture, production residues, waste and other timber containing materials
A process is dislcosed for recovering chips and fibers from residues of ter-derived materials, old pieces of furniture, production residues, water and other timber-containing materials glued with urea-formaldehyde binders or other binders capable of bein...
09/08/1998
5741572Heat fixing paper or sheet
A paper or transparency receiving toner to be fixed by heat has an ionomeric resin on its outer surface. For universal application, the outer layer is a blend of non-ionomeric resin, such as styrene acrylate copolymer, and an ionomer, which permits the ma...
04/21/1998
5624616Method for co-refining dry urban wood chips and blends of dry urban wood chips and thermoplastic resins for the production of high quality fiberboard products
A method for making lignocellulose fibers, which may be optionally coated with a suitable thermoplastic, wherein the starting materials may be chosen from a wide variety of generally non-recyclable contaminated wood, paper, and/or plastic products. A mixt...
04/29/1997
5582682Process and a composition for making cellulosic composites
The specification discloses an unorthodox system for manufacturing strong, light-weight and weather-resistant cellulosic composite materials from discarded paper and newsprint, and papermill sludge--and from an unlimited variety of particulated fibrous li...
12/10/1996
5000822Process for the preparation of imitation leather from natural hemp and the product thereof
An imitation leather product and a process for the preparation of the imitation leather product from natural hemp which comprises the steps of (a) firstly digesting natural hemp fiber with weak alkali solution, (b) secondly digesting with ammonia gas, (c)...
03/19/1991
4882190Method of producing sulfite-free sugarbeet pulp
A method of producing sulfite-free sugarbeet pulp involving contacting sugarbeet pieces with a sulfite-free aqueous solution containing a non-sulfite antioxidant composition containing sodium erythorbate, calcium chloride, araboascorbic acid, citric acid,...
11/21/1989
4875974Absorbent vegetable material and process for making same
An absorbent material derived from a vegetable material containing pectin....
10/24/1989
4533436Apparatus for blow line addition of thermosettable binder in fiberboard manufacture including a cooling nozzle
A method and apparatus for producing a synthetic board from cellulosic and/or lignocellulosic materials wherein a thermosettable binder, preferably a polyisocyanate binder, is applied through a cooled nozzle to the hot and wet fibrous material in the blow...
08/06/1985
4514255Process for the manufacture of dried, resin-treated fiber furnish
The problem of resin precure encountered in fiberboard, especially medium-density fiberboard, produced by blow-line blending is overcome by adding an alkaline material to the wood fibers prior to blow-line blending in order to raise the pH of the wood pre...
04/30/1985
4347100Strength of paper from mechanical or thermomechanical pulp
An additive comprising an anionic organic surface active agent is incorporated into mechanical or thermomechanical pulp at an elevated temperature and pressure. The additive causes dispersion of lignin and retards redeposition of lignin so that the bursti...
08/31/1982
 
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