Patents for D21H 17 - Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution (19,322)
08/1982
08/19/1982WO1982002730A1 Inorganic filling agent composition of high retention for paper industry
08/17/1982CA1129883A1 PREPARATION OF .alpha.,.beta.-UNSATURATED CARBOXYLIC ACID N-SUBSTITUTED-AMIDES, AND POLYMERS THEREOF
08/11/1982EP0057212A1 Method for producing a high quality, water absorbent, cellulosic sheet having high surface-perceived softness
08/10/1982US4343729 Organic pigments
08/04/1982EP0056876A1 Stable dispersions of fortified rosin
08/03/1982CA1128817A1 Titanium dioxide pigment coated with a cerium phosphate inner layer and an aluminum phosphate outer layer
07/1982
07/27/1982US4341597 Fibrous material having good dimensional and heat stability
07/22/1982WO1982002414A1 Hydrophobic silica or silicate compositions for containing the same and methods for making and using the same
07/21/1982EP0056200A1 Process for preparing and using a crystalline product
07/20/1982US4340692 Wet strength polymers
07/13/1982US4339566 Water-dispersible, radiation-crosslinkable binding agents from urethane acrylates, a process for their production, and the use thereof in aqueous dispersions in color painting, color printing, and textile applications
07/13/1982US4339479 Treatment with halosilanes
07/06/1982EP0044868A4 Separator with improved tensile strength for starved electrolyte lead/acid battery.
07/06/1982CA1126910A1 Process for producing sized paper and cardboard with polyelectrolytes and epoxide-amine-polyamide reaction products
07/06/1982CA1126909A1 Producing dispersions of polymeric material and preflocculated fillers for use in paper making
06/1982
06/30/1982EP0055033A1 Non-asbestos paper
06/29/1982US4337117 Decay resistant material
06/29/1982US4336835 Polyamide reacted with epichlorohydrin
06/29/1982CA1126594A1 Process for the manufacture of paper having a high dry strength and a low wet strength
06/29/1982CA1126500A1 Cellulose-based electric insulation material and process for producing thereof
06/29/1982CA1126452A1 Carbon fiber/flame-resistant organic fiber sheet as a friction material
06/23/1982EP0054231A1 Paper-sizing agents and a process for their preparation
06/23/1982EP0054075A1 Cellulose-treating agent and paper products sized therewith
06/22/1982US4336245 Fine silica having a metal silicate coating; inorganic pigments; dentifrices; rubber fillers; paints; papermaking
06/16/1982EP0053897A1 Flexible starch bound non-asbestos paper
06/15/1982US4335109 Aluminum halohydrate and water-soluble metal salt; fungicidal
06/08/1982US4333971 Substrate treating compositions
06/08/1982US4333795 Chemical compositions useful as paper sizing agents and method of making same
06/08/1982CA1124963A1 Auxiliary for improving retention, dewatering and working up, particularly in the manufacture of paper
06/02/1982EP0052710A2 Modified amino resins based on melamine or urea and formaldehyde, and their use as a high-gloss decorative coating
06/01/1982US4332851 Receptor sheet for electrophotography
06/01/1982CA1124946A1 Process for the production of polymer emulsion having excellent fluidity
06/01/1982CA1124712A1 Cationic fortified rosin size
05/1982
05/18/1982US4330518 Removal of contaminants from zeolite mother liquors
05/18/1982US4330450 For use in paper making, sewage treatment, drilling muds, enhanced oil recovery
05/18/1982US4330443 Dry chemical process for grafting acrylic and methyl acrylic ester and amide monomers onto starch-containing materials
05/18/1982US4330365 Pigment retention aids; coatings; sizing; printing/dyeing
05/18/1982CA1123783A1 Method of making heat curable adhesive coated insulation for transformers
05/18/1982CA1123555A1 Hydrophobic-hydrophilic-cationic polymer latex bonding agent
05/12/1982EP0051144A1 Small-particles polymer dispersions containing polymerised nitrogen-containing monomers
05/11/1982CA1123306A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof
05/11/1982CA1123277A1 Wood fibrous material and a method for improving the qualities thereof
05/04/1982US4328142 Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids
04/1982
04/28/1982EP0050599A1 Impregnated paper and its use
04/28/1982EP0050588A1 Use of mixtures of surfactants and reaction products of epoxides, fatty amines and polyalkylenepolyaminoamides as paper sizing agents
04/28/1982EP0050316A1 Process for preparing a sheet material with retention by paper-making techniques
04/28/1982EP0050223A1 Process for preparing high wet-strength paper
04/21/1982EP0049924A1 Process for manufacture of soft absorbent tissue paper and paper made thereby
04/20/1982US4326000 Sanitary paper
04/20/1982US4325848 Paper, casting, dielectrics
04/13/1982US4324833 Phenolic resin, methylated melamine-formaldehyde resin, polyvinyl alcohol
04/13/1982US4324832 Method of impregnating web structures with a synthetic resin
04/07/1982EP0048760A1 Insulating paper
04/06/1982US4323490 Mixtures of components, comprising epoxide/polyalkylene-polyaminoamide reaction products and acrylic-based and/or styrene-based polymers, their preparation and their use as paper sizes and textile treatment agents
04/06/1982US4323425 Rosin and polyamine retention aid
04/06/1982US4323412 Process of impregnating paper laminate plies with oil modified phenolic resole varnish
04/06/1982CA1121547A1 Polyamines containing amide groups
04/06/1982CA1121546A1 Polyamines containing amide groups
04/01/1982WO1982001020A1 Paper making process utilizing an amphoteric mucous structure as binder
03/1982
03/31/1982EP0048599A1 Air-drying compositions for treating fibrous substrates
03/30/1982US4322468 Abrasion-resistant decorative laminates
03/30/1982CA1121078A1 Resole resin composition
03/23/1982US4321161 Liquid-absorbing shaped body
03/23/1982CA1120212A1 Process for producing sized paper or cardboard with dyes or optical brighteners and epoxide-amide-polyamide reaction products
03/16/1982US4320226 Water soluble guar product and method for making it
03/16/1982US4319956 Nonwoven web material for medical towels and the like
03/16/1982CA1119758A1 Use of polyimide amine salts as cationic surface sizing agents for paper
03/10/1982EP0046904A1 Decay resistant sheet material with retained flexibility
03/09/1982US4319019 Polyamines containing amide groups
03/09/1982CA1119358A1 Post-treatment of humic acid-dyed paper
03/02/1982US4317756 Sizing composition comprising a hydrophobic cellulose-reactive sizing agent and a cationic polymer
03/02/1982CA1119206A1 Fibrous sheet materials
02/1982
02/24/1982EP0046407A1 Method for coating and drying paper
02/23/1982US4316977 Useful for paper sizing;
02/18/1982WO1982000485A1 Method for producing a high quality,water absorbent,cellulosic sheet having high surface-perceived softness
02/16/1982US4315863 Highly maleated wax and process for producing the same
02/16/1982US4315798 A metal quinolinate within a binder
02/16/1982CA1118292A1 Method of encreasing the strength of wet glass fiber mats made by the wet-laid process
02/16/1982CA1118167A1 Paper sizing agents
02/16/1982CA1118166A1 Engine sizing of paper
02/16/1982CA1118165A1 High strength composites and a method for forming
02/03/1982EP0045175A1 Wax compositions
02/03/1982EP0044868A1 Separator with improved tensile strength for starved electrolyte lead/acid battery.
02/02/1982US4314001 Novel polymeric compounds, processes and methods of use
02/02/1982US4313790 Additives for increased retention and pitch control in paper manufacture
02/02/1982CA1117384A1 Surface treatments
01/1982
01/20/1982EP0044178A2 Fibrous composite materials and the production and use thereof
01/20/1982EP0044161A2 Fibrous composite materials and the production and use thereof
01/20/1982EP0044160A1 Fibrous composite materials and the production and use thereof
01/20/1982EP0044058A1 Means and method for treating process and effluent water in paper making and related industries
01/19/1982US4311809 Water-insoluble cationic addition graft polymers; opaque paper fillers
01/19/1982US4311805 Vinyl alcohol copolymers containing cationic groups
01/12/1982CA1115908A1 Process for manufacture of thermoformable panels
01/07/1982WO1982000039A1 Methods of foam inhibition or depression
01/07/1982WO1982000038A1 Cellulose-treating agent and paper products sized therewith
01/05/1982US4309469 Wood pulp webs, wet strength
01/05/1982US4309338 Salt of sulfonic acid ether as dispersant
12/1981
12/29/1981US4308320 Pigment, thermoplastic polymer, calendering
12/29/1981US4308187 Hydrophilic polymer and thermoplastic latex to act. as wicks
12/29/1981US4308092 Creping paper using cationic water soluble addition