Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21C - Production of cellulose by removing non-cellulose substances from cellulose- containing materials; Regeneration of pulping liquors; Apparatus therefor › D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters
Patents for D21C 5 - Other processes for obtaining cellulose, e.g. cooking cotton linters (5,432)
11/1996
11/21/1996CA2220520A1 Method for recycling mixed wastepaper using ink agglomeration
11/21/1996CA2219768A1 A method for treating wood with bacteria
11/19/1996CA2093182C Method of bleaching de-inked pulp
11/14/1996WO1996035731A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment
11/14/1996CA2194295A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment
11/13/1996EP0742311A1 Method and apparatus for recovering fiber from effluent streams
11/13/1996EP0742310A1 Treatment of effluent from a paper treatment process
11/13/1996EP0741817A1 Method and apparatus for treating recycled pulp
11/09/1996CA2175434A1 Method and apparatus for recovering fiber from effluent streams
11/07/1996WO1996035014A1 Process and composition for deinking waste paper
11/07/1996CA2208782A1 Process and composition for deinking waste paper
11/06/1996EP0741203A1 Method of deinking wastepaper
11/06/1996EP0740718A1 Deinking processes and novel polymers for use in these
10/1996
10/31/1996WO1996034147A1 Process for controlling the deposit of adhesive impurities from paper material suspensions
10/31/1996WO1996033800A1 Compositions containing diol and/or diol alkoxylate
10/31/1996DE19515273A1 Verfahren zur Kontrolle des Absetzens klebender Verunreinigungen aus Papierstoff-Suspensionen A method for controlling the deposition of stickies from paper stock suspensions
10/31/1996CA2219139A1 A process for controlling the deposition of stickies from paper stock suspensions
10/30/1996EP0739433A1 Process for modifying, breaking down or bleaching lignin, materials containing lignin or coal
10/23/1996EP0738341A1 Collector intended to be used in deinking of waste paper according to the flotation process
10/22/1996US5567275 Process for manufacturing paper from seaweed
10/22/1996US5567272 Process for recycling silicone-coated paper
10/19/1996CA2147384A1 Process for deinking wastepaper with fatty acid composition
10/17/1996WO1996032530A1 Treatments for inhibiting deposition in papermaking systems
10/16/1996EP0737774A1 Process of treating reject from a plant for deinking waste paper
10/15/1996US5564572 Method and apparatus for screening waste paper pulp
10/14/1996CA2174018A1 Waste paper treatment process
10/10/1996WO1996031646A1 Deinking method
10/09/1996CN1133067A Purified pH nuetral rhizoctonia laccases and nucleic acids encoding same
10/08/1996US5562803 Sequential bleaching of de-inked paper pulp with sodium bisulfite, dithionite and borohydride
10/02/1996EP0583310B1 Use of cellulase for pulp treatment
10/01/1996US5560806 Process for deinking electrostatic printed paper using a combination of non-ionic surfactants
10/01/1996US5560805 Enhanced decolorization of waste paper with selected amines
09/1996
09/26/1996WO1996029397A1 Novel endoglucanases
09/24/1996US5558745 Treatment of absorbent sanitary paper products
09/24/1996CA2088502C Process for bleaching/sanitizing food fiber
09/19/1996WO1996028606A1 Process for producing short-fibered softwood pulps
09/19/1996WO1996028517A1 Recycling of mineral fillers from the residue of a paper deinking plant
09/18/1996CN1131445A Device for controlling deinked cellulose production plant with state analysers constituted of neural networks for waste paper
09/12/1996WO1996027706A1 Method and apparatus for treating filler-containing material such as recycled fibers
09/11/1996EP0730688A1 Deinking of waste paper by treatment with starch degrading enzyme e.g. amylase
09/11/1996EP0730641A1 Myxococcaceae peroxidase
09/11/1996EP0641403B1 Process for producing paper or paperboard with increased strength from mechanical pulp
09/11/1996EP0637351B1 Wood-free pulp and white paper product
09/10/1996US5554535 White-rot fungus and uses thereof
09/06/1996WO1996027045A1 System and method for recycling materials
09/06/1996CA2213463A1 System and method for recycling materials
09/04/1996CN1130225A High efficient ink-removing agent for waste paper
08/1996
08/28/1996EP0728240A1 Method of manufacturing a recyclable paper product
08/27/1996US5549787 Treatment of waste printed papers with surface active polymeric compositions to produce brighter pulp
08/22/1996WO1996025551A1 Process for recovering raw materials from a flow of residual or collected materials during paper manufacture and plant therefor
08/22/1996WO1996018770A3 Multicomponent system for modifying, decomposing or bleaching lignin, lignin-containing materials or similar substances and method of using this system
08/22/1996DE19520494A1 Verfahren zum Wiedergewinnen von Fasern und/oder Kaolin A method for recovering fibers and / or kaolin
08/22/1996CA2211573A1 Process for recovering raw materials from a flow of residual or collected materials during paper manufacture and plant therefor
08/21/1996EP0726880A1 Deinking of recycled pulp
08/21/1996CN1129468A Process for modifying breaking down or bleaching lignin, materials containing lignin or like substances
08/20/1996US5547793 Method for using image support regeneratively and tool for forming image on image support
08/15/1996WO1996024720A1 Microfibrillated cellulose and method for preparing same from primary wall plant pulp, particularly sugar beet pulp
08/14/1996EP0726356A1 Microfibrillated cellulose and process for making the same from vegetable pulps having primary walls, especially from sugar beet pulp
08/14/1996EP0726246A1 Quaternary ammonium compositions and their uses
08/14/1996EP0725854A1 Aminoalkane diphosphonic acids in pulp bleaching
08/13/1996US5545544 Degrading lignin
08/08/1996WO1996023873A1 Amylase variants
08/08/1996WO1996023568A1 Use of alkoxylation products of epoxidized fats as antifoaming agents
08/08/1996DE19503062A1 Verwendung von Alkoxylierungsprodukten epoxydierter Fettstoffe als Entschäumer Use of alkoxylation products of epoxidized fatty substances as defoamers
08/08/1996CA2821537A1 Amylase variants
08/08/1996CA2211405A1 Amylase variants
08/07/1996EP0724661A1 Deinking chemicals
08/06/1996US5542985 Applying aqueous emulsion containing surfactants and organic solvents(which dissolve the resins) for removal of toners from used copying paper
08/01/1996WO1996023100A1 Stickies removal in wastepaper pulping
08/01/1996CA2141485A1 Treatment of waste printed papers with surface active polymeric compositions for improved recyclability
07/1996
07/31/1996EP0545958B1 A process for hydrolyzing hemicellulose by enzymes produced by trichoderma reesei
07/30/1996US5540815 Copy sheets
07/30/1996US5540814 Method for removing stickies from wastepaper using modified cationic kaolin
07/25/1996WO1996022329A1 Method and composition for providing repulpable moisture vapor barrier coating for flexible packaging
07/25/1996DE19601704A1 Appts. to clean printed sheets
07/25/1996CA2167859A1 Process for deinking of recycled paper
07/24/1996CN1127523A Multicomponent bleaching system
07/23/1996US5538594 Method for producing a blade coated paper from recycled, high lignin content, waste paper
07/17/1996CN1032322C Method for making artificial fibre pulp and xylitol using corn stalk
07/16/1996US5536373 Recycle processing of baled waste material
07/16/1996US5536363 Methods for inhibiting the deposition of organic contaminants in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin
07/10/1996EP0720649A1 Novel xylanase, process for producing the same, method for the treatment of pulp, and production of xylo-oligosaccharides
07/10/1996CN1126490A Enhancement of laccase reactions
07/04/1996WO1996020309A1 Redegistable cellulose-containing materials
07/04/1996CA2208421A1 Repulpable cellulose-containing materials
07/03/1996EP0719358A1 Device for controlling a deinked cellulose production plant with state analysers constituted of neural networks for the waste paper suspension
06/1996
06/27/1996WO1996019570A1 An enzyme preparation with cellulytic activity
06/27/1996DE4446334A1 Wiederaufschließbare cellulosehaltige Materialien Repulpable cellulose-containing materials
06/26/1996EP0718437A1 Recyclable and repulpable ream wrap and related methods of manufacture
06/26/1996EP0717799A1 Process and apparatus for manufacturing absorbent granular material
06/26/1996CN1125430A The use of dialdehydes and acetals thereof for inhibiting decomposition of peroxide in the production and the treatment of recycled fiber pulp and other fiber pulp
06/25/1996US5529660 Splitting ozone charge; intermediate washing or bleaching stage
06/20/1996WO1996018770A2 Multicomponent system for modifying, decomposing or bleaching lignin, lignin-containing materials or similar substances and method of using this system
06/19/1996EP0717144A1 Deinking composition and process
06/19/1996EP0717143A1 Multicomponents system for modifying decomposing or bleaching of lignin or materials containing it or similar components and the way to use it
06/19/1996EP0716702A1 Thermostable xylanases
06/19/1996EP0605448B1 PRESSURE SENSITIVE ADHESIVE COMPOSITION WHICH IS REPULPABLE UNDER ACIDIC pH CONDITIONS
06/19/1996CN1124791A Fast degumming aid for ramie and Broussonetia papyrifera bark and technique
06/18/1996US5527426 Magnetic deinking of waste papers
06/18/1996US5526990 Apparatus for separating wood fibers from other fibers in fibremat residues
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