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)
11/1997
11/06/1997WO1997041302A1 Rosin-sized paper composition and method of making
11/06/1997WO1997041301A1 Facial tissue with reduced moisture penetration
11/06/1997WO1997041186A1 Modified rosin emulsion
11/06/1997WO1997036054A3 Temporary wet strength additives
11/06/1997WO1997036053A3 Temporary wet strength paper
11/06/1997WO1997036051A3 Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene
11/06/1997WO1997036037A3 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength
11/06/1997DE19704365A1 Staining colour giving high gloss coating on paper and cardboard contains carbonate pigment
11/06/1997CA2253302A1 Fire retardant treatment
11/05/1997EP0804429A1 Alkenyl substituted cyclic carboxyl acid anhydrides and their application in hydrophobic paper sizing
11/05/1997EP0804382A1 Novel temperature-activated polysilicic acids and their use in paper production processes
11/05/1997EP0763074B1 Use of reduced interference pigments in producing forgery-proof security documents
11/05/1997EP0717802A4 A process for making a paper based product employing a polymeric latex binder
11/05/1997EP0713547A4 A process for making a paper based product containing a binder
11/05/1997EP0674699B1 Nitrogen-free anionic-active brighteners
10/1997
10/29/1997EP0803527A1 Aminopolysiloxanes with hindered 4-amino-3,3-dimethyl-butyl groups
10/29/1997EP0803512A2 A starch for paper making
10/29/1997EP0803012A1 Tissue paper treating agent, process for producing tissue paper by using said treating agent and its use
10/29/1997EP0708947B1 Chemical solution to detect the counterfeit of paper currency
10/29/1997CN1163645A Paper products containing vegetable oil based chemical softening composition
10/29/1997CN1163330A Petroleum resin sizing agent for paper and its preparing method
10/29/1997CN1163293A Colouring agent for paint
10/28/1997US5681621 Coating corrugated layer of liner board with emulsion of wax particles and styrene-acrylic copolymer binder
10/28/1997CA2082569C Fluorine-containing copolymers and their use for coating and impregnating various substrates
10/28/1997CA2057097C Process for the production of cellulose fibre containing products in sheet or web form
10/23/1997WO1997039189A1 Method for imparting strength to paper
10/23/1997WO1997039188A1 Method of preparation of a cellulosic pulp, cellulosic pulp to be used in absorbent products, and such absorbent product
10/23/1997WO1997039077A1 Improvements in or relating to calixarenes
10/23/1997WO1997039036A1 Oil, water and solvent resistant paper by treatment with fluorochemical copolymers
10/23/1997CA2251371A1 Oil, water and solvent resistant paper by treatment with fluorochemical copolymers
10/22/1997EP0802240A2 Process for the manufacture of liquid dyestuff preparations with a low salt content
10/22/1997EP0802231A2 Silicone compositions and uses thereof
10/22/1997EP0802228A2 Silicone compositions and uses thereof
10/22/1997EP0802215A1 Highly branched polyamidoamines and their preparation
10/22/1997EP0801700A1 Use of optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner
10/22/1997EP0749508A4 Improved paper making process
10/22/1997CN1162666A Process for treatment imparting oil-repellency and water-repellency to paper or to carboard
10/21/1997US5679443 Fibrous-reinforced sheet
10/21/1997US5679286 Mixture of fatty alcohol, ketone and wax; papermaking, food, starch, paint or sewage treatment industries
10/21/1997US5679261 Using diallyldimethylammonium chloride cationic polymer having vinyl alkoxysilane component as coagulant
10/21/1997US5679220 Process for enhanced deposition and retention of particulate filler on papermaking fibers
10/21/1997US5679218 Tissue paper containing chemically softened coarse cellulose fibers
10/21/1997CA2001540C Application of multiple enzyme blend to control industrial slime
10/18/1997CA2202718A1 Process for the preparation of low-salt, liquid dyestuff preparations
10/16/1997WO1997038164A1 Paper pulp drainage aid
10/16/1997CA2251191A1 Paper pulp drainage aid
10/15/1997EP0801173A2 Aqueous pigment dispersion for light-shielding paper
10/15/1997EP0800598A1 Process of manufacture for a coloured fibre material, containing a certain proportion of cellulose fibres, such as paper and nonwoven, and a coloured fibre material manufactured according to the process
10/15/1997EP0800597A1 Method for enhancing retention in a paper making process, and retention agent therefor
10/15/1997EP0800596A1 Bleaching of filled paper
10/14/1997US5677039 Paper sheet comprising conductive pigments coated a layer of doped metal oxide antistatic agent; humidity-proofing
10/14/1997US5676796 Manufacture of paper
10/09/1997WO1997037081A1 A process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte
10/09/1997WO1997037080A1 A process for including a fine particulate filler into tissue paper using starch
10/09/1997WO1997037079A1 Size composition, method for its preparation, and use thereof
10/09/1997WO1997037078A1 Surface sizing of cellulose-based products
10/09/1997CA2250851A1 A process for including a fine particulate filler into tissue paper using starch
10/09/1997CA2250842A1 A process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte
10/09/1997CA2250235A1 Surface sizing of cellulose-based products
10/09/1997CA2250230A1 Size composition, method for its preparation, and use thereof
10/08/1997EP0799928A2 Antibacterial antifungal agent and fibrous material containing the same
10/08/1997EP0799350A1 Tissue paper product comprising a quaternary ammonium compound, a polysiloxane compound and binder materials
10/08/1997EP0799307A1 An enzyme preparation with cellulytic activity
10/08/1997EP0799281A1 Carbon black reacted with diazonium salts and products
10/07/1997US5674961 Oil water and solvent resistant paper by treatment with fluorochemical copolymers
10/07/1997US5674832 Softeners; antistatic agents
10/07/1997US5674513 Preparing the protective coating solution by mixing a polyvinylpyrrolidone-iodine complexes, nonoxynol 9, water, polyoxyethylene glycol, alcohol and a polyethylene glycol sorbitan fatty acid ester surfactant
10/07/1997US5674362 Adding to a recycle pulp slurry during paper making a mixed resin solution containing an aminopolyamide-epichlorohydrin resin and a glyoxylated acrylamide-diallyldimethylammonium chlroride resin to improve wet and dry strength
10/07/1997US5674299 Using mono- or disazo, cationic or basic dye
10/07/1997CA2100117C Paper wet-strength improvement with cellulose reactive size and amine functional poly(vinyl alcohol)
10/02/1997WO1997036054A2 Temporary wet strength additives
10/02/1997WO1997036053A2 Temporary wet strength paper
10/02/1997WO1997036052A2 Paper products having wet strength from aldehyde-functionalized cellulosic fibers and polymers
10/02/1997WO1997036051A2 Temporary wet strength polymers from oxidized reaction product of polyhydroxy polymer and 1,2-disubstituted carboxylic alkene
10/02/1997WO1997036047A1 Absorbent material and production thereof
10/02/1997WO1997036046A1 Absorbent cellulosic material and production thereof
10/02/1997WO1997036037A2 Aldehyde-modified cellulosic fibers for paper products having high initial wet strength
10/02/1997CA2250178A1 Temporary wet strength additives
10/02/1997CA2250177A1 Temporary wet strength paper
10/02/1997CA2240130A1 Absorbent material and production thereof
10/02/1997CA2240129A1 Absorbent cellulosic material and production thereof
10/01/1997EP0797704A1 Dual surface treated filler material, method for its preparation and use in papermaking
10/01/1997EP0797670A1 Fungal cellulases
10/01/1997EP0797601A1 Process for producing stable water-in-oil emulsions of hydrolysed polymers of n-vinyl amides and their use
09/1997
09/30/1997US5672279 Solubilizing calcium carbonate
09/30/1997US5672249 Process for including a fine particulate filler into tissue paper using starch
09/30/1997CA2086030C Enhancement of paper dry strength by anionic and cationic guar combination
09/25/1997WO1997035068A1 Paper size and paper sizing process
09/25/1997DE19610995A1 Papierleimungsmittel und -verfahren Paper sizing and procedures
09/25/1997CA2248014A1 Paper size and paper sizing process
09/24/1997EP0796372A1 Retention agent
09/24/1997EP0796114A1 Biofilm avoidance and removal process and composition
09/24/1997CN2263130Y High molecular water-absorbing agent and traditional Chinese medicine compound ultrathin embossed liquid-absorbing paper
09/24/1997CN1160107A Pulp additive for making packaging paper container
09/18/1997WO1997034048A1 Forgery preventive sheet and method of manufacturing same
09/18/1997WO1997034047A1 Tissue paper containing chemically softened coarse cellulose fibers
09/18/1997DE19609807A1 Impregnating paper with hydrophilic substance
09/18/1997CA2248344A1 Tissue paper containing chemically softened coarse cellulose fibers
09/17/1997EP0795588A1 Coating
09/17/1997EP0795057A1 Soft and creped tissue paper