| Patents for D21J 1 - Fibreboard (1,125) |
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| 09/12/1986 | WO1986005220A1 Method for producing patterns on a fiber felting screen |
| 09/02/1986 | CA1210557A1 Pattern matrix having uniform backer thickness |
| 07/01/1986 | US4597928 Method for fiberboard manufacture |
| 05/06/1986 | US4587070 Concrete joint |
| 04/02/1986 | EP0175746A1 A fibre board, a method for making it, and a binder composition. |
| 01/28/1986 | US4567215 Product and process relating to hardboard |
| 12/31/1985 | US4562218 Formable pulp compositions |
| 12/17/1985 | US4559243 Latex bonded fiber with optional fabric reinforcement |
| 11/25/1985 | EP0077385A4 Apparatus and method for producing surface molded panel. |
| 10/15/1985 | CA1195053A1 Products for coatings, insulation and packings, comprising industrial wastes and more particularly paper-making sludges and a process for obtaining same |
| 10/08/1985 | US4545854 Method for preparing a fibrous product containing cellulosic fibers and useful in particular, in the field of coverings in lieu of asbestos |
| 09/26/1985 | WO1985004130A1 A fibre board, a method for making it, and a binder composition |
| 09/18/1985 | EP0103577B1 Process of producing fiberboard according to the wet method |
| 09/03/1985 | CA1192710A1 Press cycle reduction for wet pressed hardboard |
| 08/20/1985 | US4536432 Stabilized absorbent structure and method of making same |
| 08/06/1985 | US4533436 Applying diisocyanate through a cooled mozzle to hot moist fibers in a pressurized refining system |
| 07/23/1985 | US4530653 Apparatus for forming embossed acoustical tile |
| 07/09/1985 | CA1190077A1 Apparatus and method for producing surface molded panel |
| 06/19/1985 | EP0145621A2 Process for preparing a fibrous isolating piece |
| 05/14/1985 | US4517240 Process for preparing fiberboard |
| 04/24/1985 | EP0138657A2 Process for improving the surface condition of a fibre board |
| 04/09/1985 | US4510019 Bridging agent is condensate of diamide and formaldehyde |
| 03/20/1985 | EP0134240A1 Pattern matrix having uniform backer thickness |
| 12/18/1984 | CA1179588A1 Apparatus for the continuous pressing of comminuted or chipped materials into multilayer products and the method therefor |
| 10/02/1984 | US4474720 Method of making pattern matrix having uniform backer thickness |
| 09/25/1984 | US4473440 Calendered peat moss board |
| 09/18/1984 | CA1174421A1 Blow line addition of thermosettable binder in fiberboard manufacture utilizing cooled nozzle |
| 09/04/1984 | US4469656 Method for forming embossed acoustical tile |
| 08/07/1984 | US4464225 Method and machine for fabricating building boards |
| 08/02/1984 | WO1984002873A1 Pattern matrix having uniform backer thickness |
| 05/16/1984 | EP0108381A1 Wet-end molding method and molded product |
| 05/02/1984 | EP0107155A2 Process for improving the properties of fibre-made articles and apparatus for the application of the process |
| 04/18/1984 | EP0105722A1 Formable pulp compositions |
| 04/04/1984 | EP0104905A2 Process for manufacturing a calendered peat moss board |
| 03/28/1984 | EP0103577A1 Process of producing fiberboard according to the wet method. |
| 02/28/1984 | CA1162702A1 Thermoplastic hardboard from acetylated mat |
| 11/29/1983 | US4418101 Method of making thermoplastic hardboard from acetylated mat |
| 11/15/1983 | CA1156818A1 Method of manufacture of structural board panels and to board panels formed thereby |
| 11/09/1983 | EP0093270A2 Blow line addition of thermosettable binder in fiberboard manufacture utilizing cooled nozzle |
| 11/08/1983 | CA1156440A1 Machine for fabricating building boards |
| 10/25/1983 | US4411738 Addition of finely divided fibers; pressurization |
| 10/19/1983 | EP0091529A1 Products for facings, insulation and packaging based on industrial wastes, and particularly paper sludge, and method for their manufacture |
| 09/06/1983 | US4402896 Blow line addition of thermosettable binder in fiberboard manufacture utilizing cooled nozzle |
| 08/03/1983 | EP0084917A2 Method for manufacture of an insulation panel and device embodying said method |
| 06/14/1983 | US4388378 Thermoplastic hardboard from acetylated mat |
| 05/11/1983 | WO1983001637A1 Process of producing fiberboard according to the wet method |
| 04/27/1983 | EP0077385A1 Apparatus and method for producing surface molded panel. |
| 04/20/1983 | EP0076888A2 Absorbent flat product, and process for its manufacture |
| 03/29/1983 | US4378401 Resinated cellulosic material is compressed and cured, and penetrated with portland cement |
| 03/15/1983 | US4376674 Surface treatment of fiberboard with sodium silicate, calcium carbonate slurry |
| 10/28/1982 | WO1982003595A1 Apparatus and method for producing surface molded panel |
| 08/03/1982 | CA1128743A1 Machine for treatment of lignocellulose containing board materials with gaseous agents |
| 06/29/1982 | CA1126466A1 Method and apparatus for the production of cellulosic insulation from virgin ground wood flash-dried pulp |
| 06/10/1982 | WO1982001851A1 Thermoplastic hardboard from acetylated mat |
| 06/01/1982 | CA1124458A1 Sized paper and method for producing same |
| 04/20/1982 | CA1122045A1 Apparatus and process for preparing hard or medium density board |
| 04/06/1982 | CA1121529A1 Process for manufacturing prefinished hardboard |
| 01/12/1982 | CA1115908A1 Process for manufacture of thermoformable panels |
| 12/22/1981 | US4306935 Manufacture of insulating products |
| 12/15/1981 | CA1114112A1 Fibrous product containing cellulosic fibers, its method of preparation and its use, in particular in the field of covering panels, in lieu of asbestos |
| 11/10/1981 | CA1112087A1 Method for controlling caliper and edge and corner delamination of hardboard |
| 07/21/1981 | CA1105214A1 Phenolic resin bonded friction materials |
| 05/26/1981 | US4269657 Fibrous product containing cellulosic fibers, its method of preparation and its use, in particular in the field of covering panels, in lieu of asbestos |
| 05/19/1981 | CA1101254A1 Apparatus for making fiberboard |
| 04/21/1981 | US4263093 Method for retaining textured surface of pressed ceiling board |
| 03/17/1981 | CA1097466A1 Process for the production of paper containing starch fibers and the paper produced thereby |
| 03/10/1981 | US4255102 Machine for treatment of lignocellulose containing board materials with gaseous agents |
| 02/10/1981 | US4249991 Composition of a material based on mineral fibers |
| 01/27/1981 | CA1094265A1 Method for the production of a fiber composition |
| 12/30/1980 | US4242163 With a fibrous material and active magnesia |
| 12/23/1980 | CA1091906A1 Process for manufacturing magnesium carbonate board |
| 10/16/1980 | WO1980002125A1 Manufacture of structural board panels |
| 10/15/1980 | EP0017435A1 Improvements relating to a method of manufacture of structural board panels and to board panels formed thereby |
| 10/14/1980 | US4227965 Production of hardboard |
| 09/23/1980 | US4224103 Bonding composition for incombustible fibrous materials |
| 08/12/1980 | US4217169 Molding, compaction |
| 07/08/1980 | CA1081016A1 Twin-wire section of a paper machine |
| 07/08/1980 | CA1080915A1 Medium density, high strength, lignocellulose composition board including exhaustively hydrated cellulosic gel binder |
| 12/04/1979 | CA1067269A1 Method and apparatus for the hot-pressing of composite boards made from lignocellulosic material |
| 11/06/1979 | US4173248 Medium density, high strength lignocellulose composition board including exhaustively hydrated cellulosic gel binder |
| 10/30/1979 | CA1065350A1 Perlite insulation board and method of making the same |
| 09/18/1979 | US4168200 Method for controlling caliper and edge and corner delamination of hardboard |
| 08/28/1979 | CA1061237A1 Treatment of fibrous material |
| 08/28/1979 | CA1061074A1 Method of treating and forming a panel |
| 08/14/1979 | CA1060174A1 Post-press embossing of a consolidated man-made board |
| 07/24/1979 | CA1058927A1 Non-combustible hardboard sheet |
| 06/26/1979 | US4159224 Method for the production of a fiber composite |
| 06/19/1979 | US4158713 Composition board with improved polymeric skin and method of preparing same |
| 05/15/1979 | CA1054414A1 Short cycle pressed fibreboard manufacturing process |
| 05/08/1979 | US4153503 Cellulose, perlite |
| 05/08/1979 | CA1053950A1 Method and apparatus for applying secondary layer on board surface |
| 05/01/1979 | US4152198 Waterproofing |
| 03/27/1979 | CA1051244A1 Method of treating a continuous web of wood or cellulose pulp and apparatus for carrying out the method |
| 03/13/1979 | US4144121 Method for producing asbestos-free calcium silicate board and the board produced thereby |
| 02/13/1979 | US4139508 Impregnating with salt solution, polymerizable resin |
| 02/13/1979 | US4139411 System for forming and treating a narrow multi-layer web |
| 02/06/1979 | CA1047708A1 Manufacture of fibreboard according to the wet method with closed backwater system |
| 01/02/1979 | US4132590 Autoclaving; drying cycles comprising vacuum treatment followed by steam treatment |
| 12/19/1978 | CA1044422A1 Method and apparatus for preserving the integrity of edges of felted mats |
| 12/19/1978 | CA1044421A1 Method of making composition board |