| 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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| 10/12/1983 | EP0091341A1 Cellulosic materials made transparent and their application, process for their manufacture and the treating compositions |
| 10/05/1983 | EP0090588A1 Method for preparation of modified cellulosic fibres |
| 10/04/1983 | US4408073 Process for preparation of α, β-unsaturated N-substituted-carboxylic acid amides |
| 10/04/1983 | US4407994 Aqueous sizing composition comprising ketene dimer and epihalohydrin/polyamino polyamide/bis(hexamethylene)triamine reaction product |
| 10/04/1983 | US4407697 Separately impregnating with nitrogen-donor compound and vegetable protein |
| 10/04/1983 | CA1154564A1 Papermaking |
| 10/04/1983 | CA1154563A1 Papermaking and products made thereby |
| 09/27/1983 | US4406738 Aminoalkyl trialkoxysilanes, curing, hydrophobic, coating, lamination |
| 09/27/1983 | US4406737 Creping paper using cationic water soluble addition polymer |
| 09/20/1983 | US4405744 Inert core with polyacrylamide hydrophilic coating |
| 09/20/1983 | US4405690 Polyethylene glycol modified melamine aldehyde resin and postformable laminate made therewith |
| 09/20/1983 | US4405408 Cellulose processing agents and paper processed therewith |
| 09/14/1983 | EP0088272A1 Sizing agent |
| 09/13/1983 | US4404358 Resole compositions and laminates made therefrom |
| 09/13/1983 | US4404314 Preparation of stable aqueous dispersions of polyolefin fibers |
| 09/13/1983 | US4404310 Graft polymers of unsaturated compound onto water soluble cationic polymers |
| 09/13/1983 | US4404034 Carboxy, oxy sulfonate as dispersant |
| 09/13/1983 | CA1153540A1 Nonwoven web material for medical towels and the like |
| 09/13/1983 | CA1153512A1 Asbestos-free rubberized flooring felt |
| 09/06/1983 | US4403063 Organic pigments |
| 09/06/1983 | US4403062 Organic pigments |
| 09/06/1983 | CA1153275A1 Hydrophobic silica or silicate, compositions for containing the same, and methods for making and using the same |
| 09/06/1983 | CA1153165A1 Method for recovery of wastewater residues |
| 08/31/1983 | EP0087147A2 Cross-linked compounds from the reaction of xylylene dichloride with triethanol amine condensates, and their use |
| 08/30/1983 | USRE31366 Melamine resin, process for its manufacture and its use for the manufacture of coated wood-based materials and laminates |
| 08/30/1983 | US4401810 Method of stabilizing felted cellulosic sheet material with an alkali metal borohydride |
| 08/30/1983 | CA1153142A1 Low-foam surface sizing agents for paper |
| 08/30/1983 | CA1152710A1 Pulp containing hydrophilic debonder and process for its application |
| 08/23/1983 | CA1152693A1 Wet strength polymers |
| 08/23/1983 | CA1152266A1 Lumen-loaded paper pulp, its production and use |
| 08/16/1983 | CA1152243A1 Sizing agents for paper |
| 08/16/1983 | CA1152095A1 Highly maleated wax and process for producing the same |
| 08/10/1983 | EP0085655A1 Perfluoroalkyl phenols and naphthols, process for their manufacture and their use |
| 08/10/1983 | EP0085330A1 Sizing agent and its use |
| 08/09/1983 | US4397882 Process for the production of hard paper |
| 08/02/1983 | CA1151213A1 Surface active quaternary ammonium compound suitable for treatment of textile and cellulose material |
| 08/02/1983 | CA1150913A1 Use of polyalkylene oxides for the separation of cellulose fibres |
| 07/26/1983 | US4395541 Ionene polymer and preparation thereof |
| 07/26/1983 | US4395332 Adsorption and filtration mat for liquids |
| 07/26/1983 | US4395306 Method for preparing fibrous mats from a fibrous suspension |
| 07/26/1983 | CA1150872A1 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic addition polymers, and nonionic and/or cationic surfactants |
| 07/20/1983 | EP0083984A1 Preparation of stable aqueous dispersions of polyolefin fibres |
| 07/19/1983 | US4394213 Hydroxy-aluminum/lignin sulfonate compositions |
| 07/19/1983 | CA1150262A1 Preparation of water-soluble condensates and their use as cross-linking agents for the preparation of papermaking aids |
| 07/12/1983 | US4393103 Erasable dense paper and improved method of manufacturing |
| 07/12/1983 | US4392917 Amphoteric water-in-oil self-inverting polymer emulsion |
| 07/12/1983 | CA1149716A1 Electrical laminate |
| 07/12/1983 | CA1149714A1 Lignosulfonate extended phenolic resin |
| 07/12/1983 | CA1149700A1 Inorganic gels and ceramic papers, films, fibers, boards, and coatings made therefrom |
| 07/12/1983 | CA1149699A1 Filter and method of making same |
| 07/12/1983 | CA1149593A1 Absorbent structure |
| 07/12/1983 | CA1149559A1 Process for the manufacture of composite materials |
| 07/05/1983 | US4391932 Polycationic latices of dimethylaminopropyl-acrylamide, and their use of as sludge dewatering agents and/or paper retention aids |
| 07/05/1983 | US4391878 Cellulose fiber web, crosslinking, unsaturated amic acid copolymer |
| 07/05/1983 | US4391734 Mineral treatment and composition |
| 07/05/1983 | US4391733 Mineral treatment and composition |
| 06/29/1983 | EP0082373A1 Dicyandiamide-formaldehyde condensates and process for preparing the same |
| 06/28/1983 | US4390689 Quaternized polyamine |
| 06/28/1983 | CA1148872A1 Filter with inorganic cationic colloidal silica |
| 06/22/1983 | EP0081760A1 Use of organopolysiloxanes in the manufacture of paper-covered gypsum board |
| 06/21/1983 | US4389282 Ceramic fiber board |
| 06/21/1983 | CA1148688A1 Process for the elimination of conventional surface sizing of paper |
| 06/21/1983 | CA1148682A1 Cationically modified paper fiber-treating polyacrylamide resins |
| 06/21/1983 | CA1148679A1 Polyamine/epihalohydrin reaction products |
| 06/15/1983 | EP0081139A1 Sizing agent for paper |
| 06/15/1983 | EP0081112A1 Process for sizing paper |
| 06/14/1983 | US4388439 Wet-strength resin for paper and method of preparing same |
| 06/14/1983 | US4388208 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition |
| 06/14/1983 | US4388150 Complexing cationic starch and colloidal silica |
| 06/09/1983 | WO1983001970A1 A process for paper making and paper product |
| 06/08/1983 | EP0080986A2 A process for papermaking |
| 06/07/1983 | US4387221 Alkyl- and alkenyl-sulfosuccinate starchhalf-esters, a method for the preparation thereof |
| 06/07/1983 | CA1147727A1 Pollution-free cationization of starch |
| 06/01/1983 | EP0079927A1 A method for treating a fibrous material and a plant for carrying out the method |
| 05/31/1983 | US4385961 Papermaking |
| 05/25/1983 | EP0079784A1 Treated titanium dioxide product and process for making paper using same |
| 05/24/1983 | US4385135 Intumescent sheet material containing low density fillers |
| 05/17/1983 | US4384110 Polyalkylene-amines, papermaking |
| 05/17/1983 | US4383890 Ceramic sheet and method for producing the same |
| 05/17/1983 | US4383834 Coloring of paper |
| 05/11/1983 | EP0078407A1 Copper covered hard paper made of a compressed fire-inhibiting laminate |
| 05/10/1983 | US4383143 Molded shells for luggage and the like |
| 05/10/1983 | US4383077 Cationic resins) polyamide-amino resin copolymers; water solubility; papermaking; sizing |
| 05/03/1983 | US4382129 Polyaminopolyamide |
| 05/03/1983 | US4381948 Anhydrous kaolin clay pigment and method of preparation |
| 04/26/1983 | US4381367 Sizing agents for paper and a process for the production thereof |
| 04/20/1983 | EP0077067A1 Aqueous melamine formaldehyde resin solutions and a method for their preparation |
| 04/20/1983 | EP0076888A2 Absorbent flat product, and process for its manufacture |
| 04/19/1983 | US4380603 Cationic polymers, sizing |
| 04/19/1983 | US4380602 Water-soluble thermosettable resinous compositions containing dicyandiamide-formaldehyde condensates modified with epihalohydrin and process for preparing the same |
| 04/19/1983 | US4380475 Sizing, antifoam agents |
| 04/12/1983 | US4379808 Sheet type forming board and formed board products |
| 04/12/1983 | CA1144691A1 Sizing accelerator |
| 04/12/1983 | CA1144312A1 Method of dispersing bundles of glass fibers for making glass fiber mats by the wet-laid process |
| 04/05/1983 | CA1144013A1 Method for waterproofing paper |
| 04/05/1983 | CA1143914A1 Method of sizing paper at the size press and resulting water-resistant paper |
| 04/05/1983 | CA1143910A1 Method of producing a building element |
| 03/29/1983 | US4378446 Acrylate-modified melamine resin which is stable on storage, its preparation and its use |
| 03/29/1983 | US4378272 Water purifying latex binder |
| 03/29/1983 | US4378271 Starch bound paper |