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)
12/1994
12/20/1994	US5374555 Protease catalyzed treatments of lignocellulose materials
12/14/1994	EP0628080A1 Cloning and expression of xylanase b
12/14/1994	EP0537216B1 Process for de-inking printed papers
12/08/1994	WO1994028238A1 Deinking formulation for flexographic inks
12/08/1994	WO1994028237A1 Improved method of removing hydrophilic ink
12/08/1994	WO1994028236A1 A pulp production process
12/08/1994	WO1994028235A1 Method of processing recycled paper
12/08/1994	CA2163513A1 Improved method of removing hydrophilic ink
12/06/1994	US5370770 Method for deinking printed waste paper using soybean peroxidase
11/1994
11/30/1994	EP0512035B1 Alkoxylated compounds produced from epoxylated carboxylic acid derivatives
11/30/1994	CN1095779A Non-alkali paper making process
11/29/1994	US5369024 Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
11/24/1994	WO1994026973A1 Method of monitoring the deposition of 'stickies' from paper-pulp suspensions
11/24/1994	WO1994026880A1 Combined action of endoglucanases and cellobiohydrolases
11/24/1994	WO1994023118A3 Bleaching recycled pulp with a reductive-oxidative sequence
11/24/1994	WO1994023117A3 Bleaching recycled pulp with ozone and hydrogen peroxide
11/24/1994	CA2162668A1 A process for controlling the sedimentation of sticky impurities from paper stock suspensions
11/24/1994	CA2139001A1 Combined action of endoglucanases and cellobiohydrolases
11/22/1994	US5366594 Process of forming a cellulose product having a high content of silicate cross-linked cellulose polymer
11/15/1994	US5364501 Enzymatic deinking process with pH shift and addition of alkaline cellulase
11/09/1994	EP0524220B1 A pulping process using cellulase
11/08/1994	US5362363 Aqueous dispersions containing alkaline earth soaps and/or alkaline earth resin soaps for deinking printed wastepaper
11/08/1994	US5362362 Methods of deinking cellulosic materials
11/02/1994	EP0622490A2 Process for removing inorganic components that form ash on ignition and oily waste from paper during recycling
11/01/1994	US5360512 Method and product for treating waste paper material
10/1994
10/27/1994	WO1994024364A1 Improvements in or relating to deinking of paper
10/27/1994	WO1994024270A2 Stable mutants of a low molecular mass xylanase
10/27/1994	CA2161094A1 Improvements in or relating to deinking of paper
10/27/1994	CA2101593A1 Method of deinking photocopier-printed and laser-printed inks from paper printed therewith
10/25/1994	US5358605 Process for recycling waste paper
10/25/1994	US5358185 Method of digesting waste paper
10/19/1994	EP0499618B1 Hydrolysis of resin in pulp
10/18/1994	US5356517 Hydrolysis of resin in pulp with an enzyme and a peroxide
10/13/1994	WO1994023118A2 Bleaching recycled pulp with a reductive-oxidative sequence
10/13/1994	WO1994023117A2 Bleaching recycled pulp with ozone and hydrogen peroxide
10/13/1994	WO1994023052A1 A method of hydrolysing cholesterol esters by using a pseudomonas fragi cholesterol esterase
10/05/1994	EP0618326A1 Hydrolysis of resin in pulp
10/05/1994	EP0618012A1 Flotation device
10/04/1994	US5351895 Separating device for cellulosic and thin plastic materials
10/03/1994	CA2120436A1 Flotation system
09/1994
09/29/1994	WO1994021854A1 Pitch degradation with white rot fungi
09/29/1994	WO1994021785A1 Enzymes with xylanase activity from aspergillus aculeatus
09/29/1994	CA2152958A1 Pitch degradation with white rot fungi
09/27/1994	US5350493 Oxygen delignification of old corrugated containers
09/23/1994	CA2119539A1 Deinking method
09/21/1994	EP0615564A1 Method and enzymatic preparation for treatment of cellulose pulps
09/21/1994	EP0521999B1 Enzymatic deinking process
09/18/1994	CA2118855A1 Process for polymerization of itaconic acid
09/15/1994	WO1994020682A1 Persulfate mixtures for repulping wet strength paper
09/15/1994	WO1994020672A1 Process for bleaching pulp
09/15/1994	WO1994020669A1 Method and device dor the digestion of recycled paper
09/15/1994	WO1994020668A1 System and method for recycling materials
09/15/1994	WO1994020667A1 Process and enzyme preparation for preparing mechanical pulp
09/15/1994	WO1994020666A1 Process for preparing mechanical pulp
09/15/1994	DE4308040A1 Microorganism strain LB 3 A
09/15/1994	CA2150810A1 Process for bleaching pulp
09/15/1994	CA2135164A1 Method and system for wastepaper pulping
09/14/1994	EP0615020A1 Process for treating waste paper for papermaking
09/14/1994	EP0615019A1 Papermaking process
09/14/1994	EP0554285B1 Process for recovering raw materials from paper-industry mechanical waste sludges
09/14/1994	EP0553196B1 Hydrolysis of resin in pulp
09/13/1994	US5346543 Deinking agent for reclaiming waste paper
09/12/1994	CA2095979A1 System and method for recycling materials
09/01/1994	DE4305411A1 Process for the adhesive bonding of wood fragments, and mouldings produced by the process
08/1994
08/31/1994	EP0613321A1 Loudspeaker diaphragm for use in electroacoustic transducer
08/30/1994	US5342483 Process for deinking paper using water-soluble alcohols
08/27/1994	WO1994019532A1 Deinking agent and method of deinking by flotation using said agent
08/23/1994	US5340513 Process for the production of calcium hydrosilicate bonded shaped articles
08/23/1994	US5340439 Recycling wastes
08/18/1994	WO1994018388A1 A method to separate the cellulose based fibers in straw from each other and a moulding composition for plastic forming of cellulose containing fiber products
08/18/1994	CA2153981A1 A method to separate the cellulose based fibers in straw from each other and a moulding composition for plastic forming of cellulose containing fiber products
08/17/1994	EP0611205A1 Process and plant for the recovery of cellulosic fibres from waste paper, and paper obtained with these fibres
08/17/1994	EP0610531A1 Deinking composition for flotation and deinking method
08/17/1994	EP0610371A1 Thermostable xylanase from a strain of rhodothermus marinus
08/16/1994	US5338403 Adding lipase or esterase with a hydrosulfite yields increased brightness and reduction of triglyceride content
08/16/1994	US5338401 Improved processing to yield recycled paper products
08/10/1994	EP0497812B1 A process of combatting microorganisms
08/10/1994	CN1090617A Paper, paper plate and cellulose plate pulping method
08/09/1994	US5336744 Process for polymerization of itaconic acid
08/09/1994	US5336372 Reaction product of a clay and an amine salt or quaternary ammonium compound
08/04/1994	WO1994017237A1 Pre-bleaching treatment method using enzyme for chemical pulp
08/04/1994	DE4401992A1 Hydrolysis of plant materials for extraction of lignocellulosic materials, e.g. pulp, paper or (hemi)cellulose
08/04/1994	CA2130906A1 A method for the enzymatic treatment of chemical pulp before bleaching
08/02/1994	US5334285 Soaking with process chemicals, disintegrated into fibers, pulping and separation of printed inks
07/1994
07/27/1994	EP0607243A1 Method for enzymatic treatment of lignocellulosic materials, in particular cellulose pulps
07/26/1994	US5332471 Dye stripping by oxygen in secondary fiber recovery
07/20/1994	EP0606398A1 Improved deinking method using ink agglomeration
07/19/1994	US5330619 Method for repulping fibrous materials containing crosslinked polyamide wet strength agents with enzyme
07/13/1994	EP0605448A1 PRESSURE SENSITIVE ADHESIVE COMPOSITION WHICH IS REPULPABLE UNDER ACIDIC pH CONDITIONS.
07/07/1994	WO1994014965A1 Cloning and expression of xylanase b
07/07/1994	DE4341412A1 Used paper recycling
07/07/1994	CA2129992A1 Cloning and expression of xylanase b
06/1994
06/28/1994	US5324390 Dye stripping by oxygen and peroxide in secondary fiber recovery
06/22/1994	EP0602391A1 Waste paper digester
06/22/1994	EP0602182A1 Improved apparatus and method for deinking waste paper pulp
06/16/1994	DE4321698A1 Device for separating dispersed wax in waste paper processing - where suspension is led over cooled surfaces to precipitate wax
06/14/1994	CA1330207C Reject screen
06/14/1994	CA1330152C Process for deinking printed waste paper
06/09/1994	WO1994012725A1 Processing of pulp
06/09/1994	WO1994012718A1 Deinking of printed paper by agglomeration process

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