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