Patents
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)
06/1998
06/04/1998WO1998023814A1 Production of soft paper products from coarse cellulosic fibers
06/04/1998WO1998023813A1 Method of making sanitary paper products from recycled newspapers
06/04/1998WO1998023657A1 Fluorocopolymers for oil repelling and waterproofing treatment of various substrates
06/04/1998CA2270424A1 Method of making sanitary paper products from recycled newspapers
06/04/1998CA2269871A1 Production of soft paper products from coarse cellulosic fibers
06/03/1998EP0845495A2 Cellulose particles, method for producing them and their use
06/03/1998EP0845060A1 Methods and compositions for sizing paper
06/03/1998EP0845031A1 Methods and chemical compounds for modifying polymers
06/02/1998US5760212 Temporary wet strength additives
06/02/1998US5759349 Lumen loading of hygienic end use paper fibers
06/02/1998US5759249 Sizing emulsion
05/1998
05/28/1998WO1998022523A1 Polycondensation products and their use as dyeing aids
05/28/1998WO1998022391A1 Use of a beta rare earth sulphide as colouring pigment and method for preparing same
05/28/1998CA2272459A1 Preparation process for a beta rare earth sulphide usable as a colouring pigment
05/27/1998CN1183127A Soft tissue containing glycerin and quaternary ammonium compounds
05/27/1998CN1183108A Produit product of sulfonated amino resin and amino group-containing substance and papermaking process
05/26/1998US5756646 Hydrolyzed acrylamide resin obtained by polymerization in presence of urea compound
05/26/1998US5756151 Paper for forming images and image forming process
05/26/1998US5755930 Production of filled paper and compositions for use in this
05/26/1998US5755868 Mixing a carbonate or hydroxycarbonate of rare earth metal with alkali metal compound to form a mixture, heating the mixture in presence of gas phase hydrogen sulfide or carbon disulfide to form alkali metal doped rare earth sulfides
05/22/1998WO1998021271A1 Aqueous dispersion polymers
05/20/1998EP0842615A1 Method for controlling the permeability of a paper
05/20/1998EP0842327A1 Lotioned tissue paper containing a liquid polyol polyester emollient and an immobilizing agent
05/20/1998EP0842326A1 Lotioned tissue paper containing an emollient and a polyol polyester
05/20/1998EP0688348A4 Modified filler material for alkaline paper and method of use thereof in alkaline paper making
05/20/1998CN1182451A Novel endoglucanases
05/19/1998US5753079 Obtaining enhanced paper production using cationic compositions containing diol and/or diol alkoxylate
05/14/1998WO1998019866A1 Improvements in and relating to security documents
05/14/1998DE19646412A1 Pigmenting system for architectural materials etc. covering every colour of the rainbow
05/14/1998CA2270354A1 Improvements in and relating to security documents
05/13/1998EP0840824A1 Method for making soft tissue with improved bulk softness and surface softness
05/13/1998EP0840823A1 Tissue products with improved softness
05/13/1998EP0840822A1 Synthetic cationic polymers as promoters for asa sizing
05/13/1998EP0840755A1 Graft polymers from polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, process for their production and their use
05/13/1998EP0687326B1 Security sheet comprising security elements for preventing duplication, and being recognisable in transmitted and reflected light, and method for making same
05/13/1998CN1181796A Forgery preventive sheet and method of mfg. same
05/13/1998CN1181762A Cellulose particles, method for producing them and their use
05/12/1998US5750253 Printing paper and newsprint paper with improved water absorptivity and the manufacturing process
05/12/1998US5750006 Process for making paper and cardboard
05/07/1998WO1998019013A1 Tissue containing silicone quaternaries
05/07/1998WO1998019012A1 Tissue containing silicone betaines
05/07/1998WO1998019010A1 Tissue paper containing cationic amidoamine compounds
05/07/1998CA2267176A1 Tissue containing silicone betaines
05/07/1998CA2267151A1 Tissue paper containing cationic amidoamine compounds
05/07/1998CA2267147A1 Tissue containing silicone quaternaries
05/06/1998EP0839950A2 Process to introduce substances in a moving fiber web
05/06/1998EP0642933B1 Printed matter and printing method
05/06/1998CN1180719A Dispersions of fluorescent whitening agents
05/05/1998US5747110 Porous webs
05/05/1998US5746888 Methods for inhibiting organic contaminant deposition in pulp and papermaking systems
05/05/1998CA1339849C Hydrophobing agent for cellulosic fibres, method of preparing the agent,and use of the agent for stock hydrophobation
04/1998
04/30/1998WO1998017856A1 Readily defibered pulp products and method of their manufacture
04/29/1998EP0838550A2 Method of retention aid addition for improved paper board production
04/29/1998CN1180117A 纸质墙纸 Paper wallpaper
04/28/1998US5744066 Defoaming and deaerating mixtures for aqueous media prone to foaming
04/28/1998US5744003 Applying effective pitch retarder consisting of blend of guar hydroxypropyltriammonium chloride and styrene-maleic anhydride copolymer to a feedpoint in pulp or papermaking
04/28/1998US5744002 Paper strengthened with solubilized collagen and method
04/28/1998US5744000 Method for making encoded filaments and use of encoded filaments to produce security paper
04/25/1998CA2219332A1 Method of retention aid program addition for improved paper board production
04/22/1998EP0707673B1 Production of paper
04/22/1998EP0705367B1 A method of producing visible, continuous streaks and/or delimited fields in paper
04/21/1998US5741889 Modified rosin emulsion
04/16/1998WO1998015689A1 Improved method of softening pulp and pulp products produced by same
04/16/1998DE19642324A1 Isocyanurate containing poly:isocyanate preparation used for e.g. hydrophobic coating
04/16/1998DE19641076A1 Foam suppressant for the paper industry
04/16/1998CA2236333A1 Improved method of softening pulp and products produced by same
04/15/1998EP0835957A2 A method of forming a paper web
04/15/1998EP0835906A2 Dispersions of optical brightening agents
04/15/1998EP0835322A1 Dehalogenation of polyamine, neutral curing wet strength resins
04/15/1998CN1179192A Soft treated uncreped throughdried tissue
04/14/1998US5739249 Polyureaurethane copolymer
04/14/1998US5739190 Process for the preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinyl amides and the use thereof
04/09/1998WO1998014661A1 Paper sizing
04/09/1998WO1998014495A1 Water dispersable isocyanates with enhanced absorbing capacity as paper auxiliary agents
04/09/1998CA2267256A1 Water dispersable isocyanates with enhanced absorbing capacity as paper auxiliary agents
04/08/1998CN1178565A Security paper
04/07/1998US5736010 Forming collagen and cellulose mixture into sheets
04/07/1998US5736008 Fibrous-reinforced sheet
04/02/1998DE19640205A1 Wasserdispergierbare Isocyanate mit verbessertem Aufziehvermögen als Papierhilfsmittel Water-isocyanates with improved absorption capacity as paper auxiliaries
04/01/1998EP0833007A1 Method of papermaking using modified cationic starch
04/01/1998EP0832937A1 Water-soluble perylene dyes, their preparation and use
04/01/1998EP0832320A1 Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers
04/01/1998EP0777692B1 Paper-sizing agents containing aqueous, solvent-free dispersions of cationic polymers and method of preparing sized paper by using these agents
04/01/1998EP0750701A4 Paper opacifier
04/01/1998CN1177921A Medicated tissue paper product
03/1998
03/31/1998US5733414 Cellulose suspension with aromatic aldehyde polymer and unsaturated monomer
03/27/1998CA2207888A1 Method of papermaking using modified cationic starch
03/26/1998WO1998012671A1 Method and system for protection against counterfeiting of titles and documents
03/26/1998WO1998012384A1 Method of enhancing strength of paper products and the resulting products
03/26/1998WO1998012307A1 Cellulase variants
03/26/1998WO1998011993A1 Chemical fractionation of mineral particles based on particle size
03/26/1998DE19638595A1 Antifoam based on oil-in-water emulsion effective at higher temperature than usual
03/25/1998EP0831177A2 Hydrophilic dispersion polymers for paper applications
03/25/1998EP0831131A1 Process for dyeing cellulosic materials with disazo-dyestuffs
03/25/1998EP0831130A1 New light fast disazodyes
03/25/1998EP0831129A1 Disazodyestuffs
03/25/1998EP0830479A1 A method for increasing the hydrophobicity of printing papers and a hydrophobe composition for the method
03/25/1998EP0830061A1 Moist bacteriocin disinfectant wipes and methods of using the same
03/25/1998CN1177045A Method for mfg. mineral fiber panel
03/25/1998CN1177033A High effect mildew-resistant glass ine bedding paper