| Patents for D04H 1 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres (30,133) |
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| 10/28/1981 | EP0038743A1 Process for the superficial treatment of a non-woven and very aerated fibrous filter layer forming an electret, and its application to filters and especially respiratory masks |
| 10/27/1981 | US4297404 Non-woven fabric comprising buds and bundles connected by highly entangled fibrous areas and methods of manufacturing the same |
| 10/27/1981 | US4297307 Unidirectional fiber positioning by extrusion of a gelled mixture of fibers, water, and a binder-thickener |
| 10/20/1981 | US4296168 Padding sheet formed of a mixture of fibers bonded at their intersections |
| 10/20/1981 | US4296164 Fibrous glass blowing insulation and process |
| 10/20/1981 | US4295809 Die for a melt blowing process |
| 10/20/1981 | US4295251 Method for controlling edge uniformity in nonwoven fabrics |
| 10/13/1981 | US4294879 Fibrous insulation mat with anti-punking binder system |
| 10/13/1981 | US4294878 Process for rapid annealing of refractory fiber bodies and laminated body produced by process |
| 10/13/1981 | CA1110433A1 Octa-directional nonwoven fabric |
| 10/07/1981 | EP0037387A1 A sheet assembly and method of manufacturing same |
| 10/06/1981 | US4293612 Needle-punch carpet with binder containing alkali-stabilized silicic acid |
| 10/06/1981 | CA1110016A1 Process for preparing absorbing mop material of non- woven fibres and polymeric binder and the resulting mop material |
| 10/01/1981 | WO1981002756A1 Process for manufacturing boron nitride fiber felt using a fourdrinier machine |
| 10/01/1981 | WO1981002755A1 Process for manufacturing boron nitride fiber mats |
| 10/01/1981 | WO1981002754A1 Process for manufacturing boron nitride fiber mats using calender rolls |
| 10/01/1981 | WO1981002734A1 Process for manufacturing boron nitride fiber mats using a needler |
| 10/01/1981 | WO1981002733A1 Process for manufacturing boron nitride fiber batts using a spinner |
| 09/30/1981 | EP0036574A1 Method for producing non-woven fabrics and apparatus |
| 09/29/1981 | US4292360 Pressure sensitive adhesive tape |
| 09/29/1981 | CA1109993A1 Curable composition |
| 09/29/1981 | CA1109758A1 Flushable towelette |
| 09/29/1981 | CA1109654A1 Embossed dust mop having embossed, nonwoven fabric cleaning element |
| 09/22/1981 | US4291087 Non-woven fabrics bonded by radiation-curable, hazard-free binders |
| 09/22/1981 | US4290988 Method for the manufacture of cellulosic fibrous material which can be pressed into moulded parts |
| 09/22/1981 | US4290278 Machine for producing stitch bonded fabric |
| 09/22/1981 | US4290170 Device for aligning the attenuating fiber mats |
| 09/17/1981 | WO1981002544A1 Pressure sensitive adhesive tape |
| 09/15/1981 | US4289864 Oxidative polymerization of monomers having at least two activated unsaturations |
| 09/15/1981 | US4289676 Binders, impregnating agents and coating agents based on an aqueous dispersion of an amide-containing copolymer |
| 09/15/1981 | US4289580 Heat seal fibrous web and method of its manufacture |
| 09/15/1981 | CA1108835A1 Filling material, based on fibrous textiles, for quilted articles, and method for its production |
| 09/09/1981 | EP0035133A1 Decorative laminates containing an air-laid web and method of producing same |
| 09/02/1981 | EP0034893A2 Compositions for bonding fibrous substrates and cellulosic fibrous substrate treated therewith |
| 09/01/1981 | US4287246 Fabric interlining |
| 09/01/1981 | US4287139 Device for forming a nonwoven product from a fluid dielectric substance and process |
| 09/01/1981 | US4286977 High efficiency particulate air filter |
| 09/01/1981 | CA1107930A1 Apparatus and process for forming a mineral wool fiberboard product |
| 08/25/1981 | US4285996 Fabrics/non-woven/ |
| 08/25/1981 | US4285647 Apparatus for the manufacture of fibrous webs |
| 08/25/1981 | US4285100 Apparatus for stretching a non-woven web or an orientable polymeric material |
| 08/25/1981 | CA1107581A1 Process for bonding nonwoven webs |
| 08/25/1981 | CA1107580A1 Non-woven material for support of semipermeable membrane |
| 08/19/1981 | EP0033896A1 Radiation curable aqueous binder dispersions, process for their preparation and their use |
| 08/18/1981 | US4284680 Multi-layered, needle punched, felt-like cushioning material and production method thereof |
| 08/05/1981 | EP0032928A1 Process for the preparation of fibers |
| 07/29/1981 | EP0032800A2 Reticular web having reinforced selvages and method and apparatus for manufacturing the same |
| 07/29/1981 | EP0032772A1 Apparatus for dry forming of paper or other sheet material of particles or fibres |
| 07/28/1981 | US4281042 Polyester fiberfill blends |
| 07/28/1981 | US4280253 Method for collecting fibrous material |
| 07/28/1981 | CA1105666A1 Method and device for treating fibrous or particulate material |
| 07/28/1981 | CA1105665A1 Method and apparatus for forming a material web |
| 07/23/1981 | WO1981002031A1 A system for dry forming of paper or other sheet material of particles or fibres |
| 07/22/1981 | EP0032219A1 Process for manufacturing artificial leather |
| 07/21/1981 | US4279979 Thermoplastic web comprising wood pulp and heat bonded polyamide |
| 07/21/1981 | US4279060 Method of and apparatus for the production of open non-woven fabric from fibrous material |
| 07/14/1981 | US4278727 Alkai-soluble, water-resistant binders for non-woven materials |
| 07/09/1981 | WO1981001905A1 Recording diskette having flocked-fiber wiping fabric and method of making |
| 07/07/1981 | US4276681 In an apparatus for forming biaxially oriented nonwoven fabrics |
| 07/07/1981 | CA1104315A1 Mixed fibrous mat and method for molding fiber- reinforced composite material |
| 06/30/1981 | US4276345 Method for preventing a surface exit of fibers from an unwoven fabric, through a very thin layer of emulsified latex, and product thereby obtained |
| 06/30/1981 | US4276338 Absorbent article |
| 06/30/1981 | US4276248 Nonwoven, high speed |
| 06/30/1981 | CA1104026A1 Polyvinyl acetate latex impregnated towelette |
| 06/30/1981 | CA1104001A1 Methods and apparatus for producing dry-formed bonded nonwoven fabrics and products resulting therefrom |
| 06/30/1981 | CA1103867A1 Vascular prosthesis produced from electrostatically spun fibres |
| 06/24/1981 | EP0030566A1 Pile fabric |
| 06/23/1981 | US4275105 Stabilized rayon web and structures made therefrom |
| 06/17/1981 | EP0030418A1 Process for producing a non-woven fabric |
| 06/16/1981 | US4273635 Process and apparatus for the treatment of fibrous webs |
| 06/03/1981 | EP0029666A1 Method of blending homofilament and heterofilament staple fibres, a blend produced thereby and a bonded web produced from such blend |
| 06/03/1981 | EP0029654A1 Non-woven fabric made from polybutadiene and method of making it |
| 06/02/1981 | US4271055 Process for preparing an aqueous latex binder for manufacturing nonwovens employing ultrafiltration to form a latex having low hydrosolubles |
| 06/02/1981 | US4270962 Process and apparatus for the preparation of bar form fibrous molding |
| 06/02/1981 | CA1102157A1 High-elasticity press felt |
| 05/28/1981 | WO1981001429A1 Heat seal fibrous web and method of its manufacture |
| 05/26/1981 | US4269888 Heat-adhesive composite fibers and process for producing same |
| 05/26/1981 | US4269887 Ceramic fiber felt |
| 05/26/1981 | US4269800 Process for the preparation of a composite mat consisting of a layer of mineral wool and a layer of steel wool |
| 05/26/1981 | US4269578 Apparatus for forming a web of material |
| 05/19/1981 | US4268546 Method of making non-woven fabrics from synthetic fibers |
| 05/19/1981 | US4268235 Apparatus for the manufacture of fibrous webs |
| 05/19/1981 | US4267626 Fiber bed element and method for making the same |
| 05/12/1981 | US4267227 Press fabric resistant to wad burning |
| 05/12/1981 | US4267002 Withdrawing a rod having dense rigid skin with parabolic orientation of the less dense fibrous core by extruding thermoplastic resin fibers into a funnel-shaped device |
| 05/12/1981 | US4266960 By subjecting glass fibers to a pulsating gas flow |
| 05/12/1981 | CA1100801A1 Method of smoothing the surface of a felt or a wire and apparatus for carrying out said method |
| 05/06/1981 | EP0028015A1 A fur-like napped fabric and process for manufacturing same |
| 05/05/1981 | US4265954 Selective-area fusion of non-woven fabrics |
| 04/29/1981 | EP0027740A1 A method of manufacturing fibrous rod-like articles and apparatus for performing such a method |
| 04/28/1981 | US4264670 For use in disposable products, carpet backings, adhesives |
| 04/28/1981 | US4264655 Encapsulated impregnated rovings |
| 04/28/1981 | CA1099926A1 Method of producing a mineral fiber product |
| 04/22/1981 | EP0027277A1 Methods for manufacturing mineral-wool mats or slaps and equipment for carrying them out |
| 04/21/1981 | US4263358 Multizonal binder impregnation |
| 04/21/1981 | US4263241 Method for production of fibrous sheet material and apparatus for carrying out the same |
| 04/21/1981 | US4263239 Dry forming of fibrous material |
| 04/21/1981 | US4263033 Method and apparatus for collecting mineral fibers |
| 04/15/1981 | EP0026777A1 Method for distributing fibers in a layer. |
| 04/14/1981 | US4261720 Method and system for purifying fiber-resin emissions |