Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
03/1998
03/04/1998CN1175295A Tissue paper product comprising a quaternary ammonium compound, a polysiloxane compound and binder materials
03/04/1998CN1175272A Carbon black reacted with diazonium salts and products
03/04/1998CN1175270A Carbon black reacted with diazonium salts and products
03/03/1998US5723023 Etherified or esterified; retention, drainage
03/03/1998US5723022 Temporary wet strength resins
03/03/1998US5723021 Method for inhibiting deposition in pulp and papermaking systems using a composition comprising of polyvinyl alcohol, gelatin and cationic polymer
03/03/1998US5722433 Water-dispersible sheet for cigarettes and cigarette using the same
03/03/1998CA2214367A1 Dry strength resin compositions
02/1998
02/28/1998CA2214225A1 Improved paper for corrugating medium
02/27/1998CA2213926A1 Process for making basic sodium and/or potassium aluminum sulphates and for making paper with such
02/26/1998WO1998007927A1 Tissue paper containing a vegetable oil based quaternary ammonium compound
02/25/1998EP0825299A2 Process for making insulation boards for mineral and papermaking fibres
02/25/1998EP0825286A2 Fibrous structure containing immobilized particulate matter and process therefor
02/25/1998EP0825012A1 Fiber reinforced thermoplastic resin sheet, and method and apparatus for wet manufacturing the same
02/25/1998EP0825011A1 Method and apparatus for wet manufacturing fiber reinforced thermoplastic resin sheet
02/25/1998EP0824562A1 Method of producing cross-linked cationic polymers
02/25/1998EP0824557A1 Biodegradable and compostable plastic articles, including flat-shaped articles
02/25/1998EP0590007B1 Applying a fluoropolymer film to a body
02/25/1998CN1174583A Soft and creped tissue paper
02/24/1998US5721022 Disposable pan
02/19/1998WO1998006898A1 Amphoteric polyacrylamides as dry strength additives for paper
02/19/1998WO1998006488A1 Use of microcrystalline wax and low foaming emulsifiers as defoamers
02/18/1998EP0824161A2 Starch and starch derivatives for the paper industry
02/18/1998EP0823950A1 Process for producing structurally resistant paper
02/18/1998EP0823921A1 Graft polymers made of alkylene oxide units-containing polymers and ethylenically unsaturated compounds, process for preparing the same and their use
02/18/1998CN1037464C Pulp fibre washing appts. and method for washing the same
02/17/1998US5718827 Porous sheet of unbleached kraft pulp; lead-free, chlorine-free drinking water
02/17/1998US5718804 Process for the production of cellulose-containing sheet-like structures which have been given a dry strength and/or wet strength treatment
02/17/1998US5718728 Method for strengthening cellulosic substrates, celluosic non woven wipes, and paper filter stock
02/12/1998WO1998005819A1 Pitch control composition
02/12/1998WO1998005746A1 Use of citric acid derivatives in detergents and cleaning agents
02/11/1998EP0823005A1 Process for controlling the deposit of adhesive impurities from paper material suspensions
02/11/1998EP0822971A1 Aqueous lecithin-based release aids and methods of using the same
02/11/1998EP0822949A1 Reaction product of sulfonated amino resin and amino group-containing substance and papermaking process
02/11/1998EP0822859A1 Compositions containing diol and/or diol alkoxylate
02/10/1998US5717046 Cationic multiarmed star-like polymers
02/10/1998US5716692 Lotioned tissue paper
02/10/1998US5716498 Process for softening paper in manufacture
02/05/1998WO1998004413A2 Strengthening material, method of production and use thereof
02/05/1998DE19631350A1 Crosslinked hydrolysed linear polymers of aziridino-ethyl-formamide
02/05/1998DE19631134A1 Verwendung von Citronensäurederivaten in Wasch- und Reinigungsmitteln Use of Citronensäurederivaten in detergents and cleaning agents
02/04/1998EP0822290A1 Fireproof paper, especially printing paper and advertising support
02/04/1998EP0821750A1 Soft creped tissue paper
02/04/1998EP0821704A1 Water-soluble cationic copolymers and their use as flocculants and drainage retention aids
02/04/1998EP0579664B1 A method of oxidising carbohydrates
02/04/1998CN1172516A Soft tissue paper containing an oil and polyhydroxy compound
02/04/1998CN1172515A Process for preparing hydrolyzable sheet
02/04/1998CN1172500A Amylase variants
02/04/1998CN1037284C Fluorescent and colour safety fibre
02/03/1998US5714552 Reacting epichlorohydrin with polyamine; heating; wet strength
02/03/1998US5714270 Comprising two ply paper with a hydrophobic adhesive inbetween the plies and an image-receiving coating of polymeric binder and dye fixative; colorfastness; reduced curl; optical density; aqueous inks; electro- and xerography
02/03/1998US5714269 Film composite
02/03/1998US5714266 Fluorine-containing phosphates
02/03/1998US5714042 A paper sheet or board prepared from a mixture of solubilized collagen and cellulosic pulp (virgin, broke or reclaimed) with good tensile, burst and tear strength
02/03/1998US5714025 Dispersing ceramic forming powder, fiber, polymeric powder and adhesive to form prepreg tape, firing
02/03/1998US5713998 Method for producing high opacifying kaolin pigment
02/03/1998CA2085683C Synthesis of creping aids based on polyamides containing methyl bis(3-aminopropylamine)
01/1998
01/29/1998WO1998003731A1 Internally sized cellulosic products and method for making same
01/29/1998WO1998003730A1 Bulking agents for paper, high-bulkiness pulp sheets, and process for the production of the sheets
01/29/1998WO1998003528A1 Linear and cyclic sucrose reaction products, their preparation and their use
01/29/1998DE19630408A1 Verstärkungsmaterial, Verfahren zu seiner Herstellung und Verwendung davon Reinforcing material, process for its preparation and use thereof
01/29/1998CA2260884A1 Internally sized cellulosic products and method for making same
01/28/1998EP0820544A1 Treatments for inhibiting deposition in papermaking systems
01/28/1998EP0758344B1 Process for producing long-shelf-life aqueous solutions of vinyl-amine-unit-containing polymers and use of such solutions
01/28/1998EP0620707B1 A method to combat microbes
01/27/1998US5711853 Pulp from newsprint or eucalyptus fibers
01/27/1998US5711799 Paper filler, sodium aluminate and a weak acid
01/22/1998WO1998002611A1 Temporary wet strength resins
01/21/1998EP0819794A2 Method of impregnating decorative paper with melamine resin
01/21/1998EP0819793A1 Filtering medium in the form of a sheet of paper for filters for fluids in general
01/21/1998EP0819195A1 Tissue paper containing a fine particulate filler
01/21/1998EP0819193A1 Paper sizing agent mixtures
01/15/1998WO1998001623A1 Process for producing paper and cardboard
01/15/1998WO1998001622A1 Process for improving printing paper
01/15/1998WO1998001621A1 Method of reusing fillers and coating pigments used in paper, paperboard and cardboard manufacture
01/15/1998DE19627669A1 Verfahren zur Verbesserung von Druckpapieren A method of improving print papers
01/15/1998DE19627553A1 Verfahren zur Herstellung von Papier und Karton A process for the production of paper and cardboard
01/14/1998EP0592572B1 A process for the manufacture of paper
01/14/1998CN1170394A Method for purification of calcium carbonate
01/14/1998CN1170055A Nonweaved substrate for printed circuit board and pre-formed materials using it
01/13/1998US5708119 Polyurethanes for waterproofing and oil repellents
01/13/1998US5708071 Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same
01/13/1998US5707494 Papermaking
01/13/1998US5707493 Improved filler retention and water removal
01/13/1998US5707491 Paper strengthened with solubilized collagen and method
01/08/1998WO1998000606A1 Paper sizing composition and process
01/07/1998EP0815323A1 Paper-based sheet and abrasion-resistant laminates
01/07/1998EP0815209A1 Novel endoglucanases
01/07/1998EP0815208A1 Amylase variants
01/07/1998EP0815175A1 Recycling of mineral fillers from the residue of a paper deinking plant
01/07/1998EP0814918A2 Methods and apparatus for controlled placement of a polymer composition into a web
01/07/1998EP0646099B1 Method for preparing an aqueous calcium sulphate-based suspension
01/06/1998US5705164 Tissue paper with lotion of polyol polyester emollient, immobilization on surfaces
01/06/1998US5705033 Paper/paper laminate-opacifying TiO2 particulates
01/02/1998DE19625824A1 Verfahren zur Herstellung von Papierprodukten und darin verwendbare Leimungsmittelzusammensetzung Process for the preparation of paper products and sizing composition usable therein
12/1997
12/31/1997WO1997049865A1 Asa sizing emulsions containing low and high molecular weight cationic polymers
12/31/1997WO1997049864A1 Gasket paper
12/30/1997US5702765 Method of applying a film of coating material to a paper web including successive doctoring steps
12/30/1997CA2019675C Cationic polysaccharides and reagents for their preparation
12/29/1997EP0814108A1 Silyl-linked polyamidoamines and their preparation