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)
12/1999
12/29/1999CN1239932A Process for preparing calcium carbonate
12/29/1999CA2336180A1 Ionic polyurethanes
12/29/1999CA2335823A1 A process for the manufacture of coated liquid packaging board
12/28/1999US6007906 Process of using fine paper containing 2-oxetanone sizing agent in high speed precision converting or reprographic operations
12/28/1999US6007862 Food and beverage compositions containing linear and cyclic sucrose reaction products
12/28/1999US6007679 Adding to an aqueous cellulosic papermaking slurry a cationic copolymer of acrylamide and a benzyl or methyl chloride-quaternized 2-/dimethylamino/ethyl acrylate; shearing; adding microparticles of acrylamide-acrylic acid
12/28/1999US6007583 Textile detergents and bleaches for surfaces, toilet, dishwasher and denture cleaners using a peroxide bleach
12/23/1999WO1999066130A1 Method for manufacturing paper, cardboard and corresponding retaining agents
12/23/1999WO1999066129A1 Method for optimizing the degree of flocculation
12/23/1999WO1999066128A1 Marking substances and security markings, method for integrating these into the pulp line and method for testing the same
12/23/1999WO1999066127A1 Security paper
12/23/1999WO1999045198A9 Method for producing a non-woven glass fiber mat comprising bundles of fibers
12/23/1999DE19826800A1 Special paper for securities and banknotes etc.
12/22/1999EP0964955A1 Creping adhesive and process for creping tissue paper
12/22/1999EP0964791A2 Value or security product with luminescent security elements and method for the production and use thereof in respect to visual and machine-operated detection of authenticity
12/22/1999EP0754126B1 Security threads having at least two security detection features and security papers employing same
12/22/1999CN1047641C Use of retention aids in making of paper containing abrasive particles and abrasion resistant decorative laminates made therefrom
12/21/1999US6004914 Softeners; hair and skin conditioners
12/16/1999WO1999064934A1 Sized paper and its use in high speed converting or reprographics operations
12/16/1999WO1999064678A1 Water resistant fibrous material
12/16/1999WO1999064677A1 A process for making paper
12/16/1999WO1999064487A1 Anionic agent for paper surface sizing
12/16/1999WO1999064467A1 Phosphate esters of starch
12/16/1999WO1999064466A1 Dextrinization of starch
12/16/1999WO1999055962A3 A process for the production of paper
12/15/1999EP0963486A1 Composition containing humidity regulators, for tissue products
12/15/1999EP0963485A2 Sizing of paper
12/15/1999EP0963484A1 Sizing of paper
12/15/1999EP0963483A1 Method for sizing paper
12/15/1999EP0963482A1 Compositions and methods for inhibiting organic contaminant deposition in pulp and papermaking systems
12/15/1999EP0963399A1 Intermediate for the production of lignin polymers and their use in the production of reagents for the production of composite materials from plant fibers, waterproof papers and cardboards as well as duroplastics from lignin derivatives
12/15/1999EP0824405B1 Articles employing a magnetic security feature
12/15/1999EP0656969B1 Crosslinked cellulose products and method for their preparation
12/15/1999CN1238819A Production of paper and paper board
12/15/1999CN1238818A Production of soft paper products from coarse cellulosic fibers
12/15/1999CN1238403A Myopia-preventing paper and its preparation method
12/15/1999CN1238364A Reaction-type neutral rosin resin
12/14/1999US6001639 Endoglucanases
12/14/1999US6001218 Pulping newspapers in water with agitation forming pulp slurry; adding surfactant and heating slurry so that oil in newspaper is retained; increasing consistency of slurry; forming treated pulp into sanitary paper products
12/14/1999US6001166 Used as body size in the manufacture of paper, paperboard and cardboard and for making cellulose fibers hydrophobic
12/10/1999WO2000036555A1 Semiconductor device and production method thereof
12/09/1999WO1999063159A1 Method for making paper and cardboard and retention and dewatering agents
12/09/1999WO1999063158A1 Soft tissue having temporary wet strength
12/09/1999WO1999063156A1 Paper bulking agents
12/09/1999WO1999063144A1 Fiber coating composition having an invisible marker and process for making same
12/08/1999EP0961856A1 Sizing emulsions
12/08/1999EP0961855A1 Aqueous dispersions of hydrophobic material
12/08/1999EP0690939B1 Security paper having a transparent zone of substantially zero opacity
12/08/1999CN1237987A Polycondensation products and their use as dyeing aids
12/08/1999CN1237598A Hollow sphere organic pigment for paper or paper coatings
12/07/1999US5998526 Use of salts of polyaspartic acids as milling agents
12/07/1999US5997991 Single-faced corrugated fiberboard made of cellulose-based substance contains ferrous sulfate, which is subsequently oxidized into basic ferric sulfate.
12/07/1999US5997690 Smooth textured wet-laid absorbent structure
12/02/1999WO1999061955A1 Dispersion aids for optical brighteners in polyolefins
12/02/1999WO1999061703A1 Use of colloidal precipitated calcium carbonate as a filler in the preparation of paper
12/02/1999WO1999061702A1 Flocculation method for making a paper sheet
12/02/1999WO1999061534A1 Dye based aqueous pigment dispersions
12/02/1999CA2332120A1 Dispersion aids for optical brighteners in polyolefins
12/01/1999EP0960913A2 Porous coating pigment and a method for its production
12/01/1999EP0960237A1 Papermaking methods and compositions
12/01/1999EP0960236A1 Lumen loading of mineral filler into cellulose fibers for papermaking
12/01/1999EP0960140A1 Method for producing polymers containing carbamate units and the use thereof
12/01/1999EP0960021A1 Water dispersible/redispersible hydrophobic polyester resins and their application in coatings
12/01/1999EP0738345B1 A process for making a paper based product containing a binder
12/01/1999CN1236654A Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
11/1999
11/30/1999US5994449 Reaction product of epihalohydrin with a mixture comprising polyaminoamide and vinyl amine polymer containing from about 1 to about 100 mole percent vinyl amine monomer units.
11/30/1999US5993604 Internally sized articles and method for making same
11/30/1999US5993603 Impregnating a paper web with a solution of a sucrose acetate isobutyrate in a lower alcohol and removing the residual alcohol.
11/25/1999WO1999060209A1 Polymer composition for improved retention, drainage and formation in papermaking
11/24/1999EP0959176A1 Hollow sphere organic pigment for paper or paper coatings
11/24/1999EP0958437A1 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
11/24/1999EP0958417A1 Nonwoven fabric of non-cellulose fibers having improved wet tensile strength
11/24/1999EP0873371B1 Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products
11/24/1999CN1235965A Process for preparation of sulphonated distyryl-biphenyl compounds
11/24/1999CN1046778C Multi-ply facial tissue paper product comprising biodegradable chemical softening compositions and binder materials
11/24/1999CN1046777C Multi-ply facial tissue paper product comprising chemical softening compositions and binder material
11/24/1999CN1046685C Method for control of biofouling
11/23/1999US5990377 A three-dimensional body-side liner comprises a web of wet-resilient hydrophilic basesheet, hydrophobic matter deposited on elevated regions enhancing dry feel and promoting fluid flow toward the lower hydrophilic regions
11/23/1999US5990333 A thermosetting polyamide of a dicarboxylic acid and a polyamine, e.g. diethylenetriamine modified by a hydrolyzable reactive silanetriol; sizing cellulose, fibers and paper sizing; wet and dry strength of paper pulp; creping adhesive
11/23/1999US5989714 Synthetic mineral microparticles
11/23/1999US5989392 Adding to papermaking pulp a crosslinked polydiallyldimethylammonium chloride antideposit agent
11/23/1999US5989391 Papermaking efficiency, improved paper quality; no free formaldehyde in amino resin
11/23/1999US5989389 Concurrently depositing onto forming wire within papermaking machine opaque paper stock fibers and translucent stock fibers in separate areas to define a pattern in resulting paper web, dewatering; document security watermark
11/18/1999WO1999058609A1 Aqueous systems comprising an ionic polymer and a viscosity promoter
11/18/1999WO1999051682A8 Reactive dye compounds
11/18/1999WO1999049905A3 Improved process to make a wet-laid absorbent structure
11/18/1999WO1999034315A9 Use of inorganic particles and method for marking and identifying a substrate or an article
11/18/1999CA2331690A1 Aqueous systems comprising an ionic polymer and a viscosity promoter
11/18/1999CA2272226A1 Hollow sphere organic pigment for paper or paper coatings
11/17/1999EP0957085A1 A process for the preparation of sulphonated distyryl-biphenyl compounds
11/17/1999EP0956385A1 Process for bonding fibrous web
11/16/1999US5985992 Anionic polymer products and processes
11/16/1999US5985076 Coating silica solution on flat, smooth die surface, contacting with paper substrate having pseudo-boehmite layer thereon, drying, releasing paper from die to transfer silica layer to paper
11/11/1999WO1999057371A1 Liner for plasterboard
11/10/1999EP0955327A2 Poly-perfluoroalkyl substituted polyamines as grease proofing agents for paper and foam stabilizers in aqueous fire-fighting foams
11/10/1999EP0955087A1 Gas adsorption sheet and air-purifying filter
11/10/1999EP0954635A1 Process of making surface sized paper products and surface sizing composition for use therein
11/09/1999US5981645 Contains a crosslinkable polymer and preferably an ionic crosslinking agent such as metal cations having a valence of three or more; tissue and towel products
11/09/1999US5981052 Inorganic porous crystals-hydrophilic macromolecule composite
11/09/1999US5981044 Multi-layered tissue paper web comprising biodegradable chemical softening compositions and binder materials and process for making the same
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