Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21H - Pulp compositions; Preparation thereof not covered by subclasses ,; Impregnating or coating of paper; Treatment of finished paper not covered by class or subclass; Paper not otherwise provided for › D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties
Patents for D21H 21 - Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper impregnating or coating material, characterised by its function, form or properties (20,755)
04/2000
04/13/2000WO2000020683A1 Method of producing a paper having a three-dimensional pattern
04/13/2000WO2000020682A1 Method of producing a wetlaid thermobonded web-shaped fibrous material and material produced by the method
04/13/2000WO2000020681A1 Method of producing a paper having a three-dimensional pattern and paper produced by the method
04/13/2000WO2000020680A1 Method of producing a paper having a three-dimensional pattern
04/13/2000WO2000020499A1 Epoxy resins and stable aqueous dispersions thereof
04/13/2000WO2000020366A1 Process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds
04/13/2000WO2000020220A1 Forgery prevention sheet
04/13/2000DE19846098A1 Disazofarbstoffe Disazo dyes
04/13/2000CA2313162A1 Forgery prevention sheet
04/12/2000EP0992547A2 Method for producing preparations of dyestuffs and/or brighteners
04/12/2000EP0992544A1 Disazo-dyestuffs
04/12/2000EP0991817A1 Tissue paper containing selectively disposed chemical additive
04/12/2000EP0991815A1 Coated board, a process for its manufacture, and containers and packaging formed therefrom
04/12/2000EP0991814A1 Method of forming a transparent and gas-permeability decreasing coating to a paper or board web and a coat formulation for the method
04/12/2000EP0991812A1 Method for the preparation of cellulose pulp, cellulose pulp to be used in absorption products, and absorption product
04/12/2000EP0912221B1 Use as antifoaming agents of ethylene oxide - propylene oxide addition compounds of glycerol or polyglycerol reacted with alpha-olefin epoxides
04/12/2000CN1250499A Paper sizer with 2-oxetanone sizing agent made from normal and branched fatty acids
04/11/2000US6048945 Graft polymers comprising polymers, containing alkylene oxide units, and ethylenically unsaturated compounds, their preparation and their use
04/11/2000US6048938 Process for producing creped paper products and creping aid for use therewith
04/11/2000US6048929 Modified starch composition for removing particles from aqueous dispersions
04/11/2000US6048439 Water soluble salt of an alkylene-acrylic acid copolymer.
04/11/2000US6048438 Phenolic enhancer selected from the group consisting of: phenol-formaldehyde resins, tannin extracts, naphthol-formaldehyde condensates, poly(para-vinyl phenol) and mixtures thereof, and a slurry of an anionic flocculant
04/11/2000US6048392 Alkaline paper surface sizing agents
04/06/2000WO2000019016A1 Antifalsification paper and other antifalsification items
04/06/2000WO2000019015A1 Paper products and chemical formulations for their manufacture
04/06/2000WO2000019011A1 Pollution control method for cylindrical dryer used in paper machine
04/06/2000WO2000019009A1 Pollution prevention method for canvas used in paper machine
04/06/2000WO2000018577A1 Antibiotic high-pressure laminates
04/05/2000EP0990014A1 Pigmented porous material
04/05/2000EP0989956A1 Polysilicate microgels and silica-based materials
04/05/2000EP0989955A1 Polysilicate microgels
04/05/2000EP0700473B1 Process for producing paper
04/05/2000CN1249715A Value or security product with luminescent security elements and method for production and use thereof in respect to visual and machine operated detection of authenticity
04/05/2000CN1249712A Tissue with moisture barrier
04/05/2000CN1051119C Anti-false coated paper and its production process
04/04/2000US6045657 Clay compositions and their use in paper making
04/04/2000US6045656 Process for making and detecting anti-counterfeit paper
03/2000
03/30/2000WO2000017451A1 An acid colloid in a microparticle system used in papermaking
03/30/2000WO2000017450A1 Silica-acid colloid blend in a microparticle system used in papermaking
03/30/2000WO2000016986A1 Heat-sensitive recording materials and method for authenticity checking
03/30/2000DE19842867A1 Security marking for e.g. vouchers and parking tickets uses azine dyestuff worked into carrier paper which is insoluble in water and invisible to naked eye and layer on opposite side which can be activated easily
03/30/2000DE19842866A1 Thermographic material useful e.g. for travel ticket or receipt has (ir)regular pattern of reagent fluorescing in ultraviolet light and invisible in daylight as security mark on back
03/29/2000CN1248597A Process for preparing dye and/or whitening agent
03/28/2000US6042936 Microsphere containing circuit board paper
03/28/2000US6042691 Cationic dispersions of fortified and modified rosins for use as paper sizing agents
03/28/2000US6042643 Reaction of carbon black with diazonium salts, resultant carbon black products and their uses
03/28/2000US6042639 Fire retarding composition and a method for impregnation of a combustible material
03/23/2000WO2000015907A1 Multiply tissue paper
03/23/2000WO2000015906A1 Methods for reducing amine odor in paper
03/23/2000WO2000015903A1 Process for making cardboard having safety means
03/23/2000WO2000015692A1 Cellulose esters having near infrared fluorophores and method of making same
03/23/2000WO2000015669A1 New cationic starch, its preparation and use
03/23/2000CA2344497A1 Process for making cardboard having safety means
03/22/2000EP0986673A1 Self-emulsifiable isocyanate and coupling agent compositions for enhancing the strength and sizing properties of cellulosic fiber and method of making and using therefor
03/22/2000EP0986672A1 Dendrimeric polymers for the production of paper and board
03/22/2000EP0986670A1 Methods and compositions for treating stickies
03/22/2000EP0877120B1 Papermaking process
03/16/2000WO2000014331A1 Methods of improving retention and drainage in papermaking
03/16/2000WO2000014206A2 Mutant egiii cellulases, dna encoding such egiii compositions and methods for obtaining same
03/16/2000WO2000014124A1 Preparation of water-soluble cross-linked cationic polymers
03/16/2000CA2340331A1 Mutant egiii cellulases, dna encoding such egiii compositions and methods for obtaining same
03/15/2000EP0985069A1 Method for making paper using a gelling system
03/15/2000CN1247130A Developer for non-carbon copying paper
03/14/2000US6036885 Method for making cellulose esters incorporating near-infrared fluorophores
03/14/2000US6035914 Counterfeit-resistant materials and a method and apparatus for authenticating materials
03/14/2000CA2159592C Process of making paper
03/09/2000WO2000012819A1 Manufacture of paper
03/09/2000WO2000012627A1 Use of polyester resins for the production of articles having good properties as barriers to water vapour
03/09/2000WO2000012436A1 Process for the inhibition of scale in harsh systems and novel antiscalants for same
03/09/2000CA2340641A1 Manufacture of paper
03/09/2000CA2340057A1 Process for the inhibition of scale in harsh systems and novel antiscalants for same
03/08/2000EP0984102A1 A process for the manufacture of hydrophobic paper or hydrophobic board, and a sizing composition
03/08/2000EP0984101A1 A sizing composition usable for the neutral sizing of paper or board, and a process for the manufacture of paper or board
03/08/2000EP0983210A1 Method of water treatment using zeolite crystalloid coagulants
03/08/2000EP0809734B1 Method for enhancing the bulk softness of tissue paper and product therefrom
03/08/2000EP0795057B1 Soft and creped tissue paper
03/08/2000EP0702736B1 Waterless self-emulsifiable biodegradable chemical softening composition useful in fibrous cellulosic materials
03/08/2000EP0701640B1 Waterless self-emulsifiable chemical softening composition useful in fibrous cellulosic materials
03/08/2000CN1246902A Papers and cardboard products suitable for laser marking, method for producing same and their use for packaging materials, bank notes and securities, security paper and graphic products
03/08/2000CN1246901A Method of making sanitary paper products from recycled newspapers
03/08/2000CN1246900A Aqueous dispersions of hydrophobic material
03/08/2000CN1246899A Sizing of paper
03/08/2000CN1246560A Colour paper for books benefiting vision
03/08/2000CN1050165C Process for preparation of hydrophobic sizing treatment agent
03/07/2000US6034181 Hydrophilic anionic polymers
03/07/2000US6033761 Soft, bulky single-ply tissue having low sidedness and method for its manufacture
03/07/2000US6033525 Modified cationic starch composition for removing particles from aqueous dispersions
03/07/2000US6033524 Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment
03/07/2000US6033523 Method of making soft bulky single ply tissue
03/07/2000US6033444 Shading of paper
03/02/2000WO2000011267A1 A process to improve the drainage rate and retention of fines during papermaking
03/02/2000WO2000011239A1 Inhibition of corrosion in aqueous systems
03/02/2000WO2000011125A1 Amphoteric derivatives of aliphatic polyamines with fatty acids, esters or triglycerides
03/02/2000WO2000011053A1 Method and composition of a hydrophilic polymer dispersion containing a colloidal silica to be used for the retention aids of fine particles in papermaking system
03/02/2000WO2000011046A1 Dialdehyde-modified anionic and amphoteric polyacrylamides for improving strength of paper
03/02/2000CA2341007A1 Amphoteric derivatives of aliphatic polyamines with fatty acids, esters or triglycerides
03/02/2000CA2339982A1 Inhibition of corrosion in aqueous systems
03/01/2000EP0981668A1 Soft multi-ply tissue paper having a surface deposited strengthening agent
03/01/2000EP0981667A1 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers
03/01/2000EP0891442A4 Paper pulp drainage aid
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