| Patents for D21H 13 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (4,906) |
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| 07/16/1991 | CA1286060C Papermaking process and composition for the production of tridimensional products containing thermoplastics resin and reinforcing fibers |
| 07/10/1991 | EP0296242A4 Low density mineral wool panel and method |
| 07/09/1991 | CA1285713C Filler compositions and their use in manufacturing fibrous sheet materials |
| 07/03/1991 | EP0435001A2 Laminat |
| 07/03/1991 | EP0317576A4 Composite materials and method of preparation |
| 07/02/1991 | US5028372 Anisotropic Liquid Solution |
| 07/02/1991 | US5028300 Cutting side edges with a water jet |
| 07/02/1991 | CA1285434C Treated glass fibers and aqueous dispersion and nonwoven mat of theglass fibers |
| 06/25/1991 | US5026456 Aramid papers containing aramid paper pulp |
| 06/18/1991 | US5025077 Composition for gluing discontinuous mineral fibers in order to obtain insulation products |
| 06/05/1991 | EP0430770A1 Improvement of properties of paper sheets made of cellulosic fibres |
| 06/04/1991 | US5021123 Slurrying with fibers in precipitating medium, filtering, washing, pressing, drying |
| 05/29/1991 | EP0429246A1 Low temperature expandable vermiculite and intumescent sheet material containing same |
| 05/29/1991 | CA2030688A1 Improving of cellulosic fiber paper web properties |
| 05/28/1991 | US5019212 Method for producing gas-permeable parcelling film |
| 05/22/1991 | EP0406354A4 Composite fiberboard and process of manufacture |
| 05/21/1991 | US5017268 Filler compositions and their use in papermaking |
| 05/16/1991 | CA2028219A1 Low temperature expandable vermiculite and intumescent sheet material containing same |
| 05/15/1991 | EP0427313A2 Fibre-reinforced elastomeric sheet |
| 05/07/1991 | US5013599 Uniformity for printing |
| 05/07/1991 | US5013405 Method of making a low density frothed mineral wool |
| 05/07/1991 | US5012577 Shaving apparatus |
| 04/23/1991 | US5009747 Water entanglement process and product |
| 04/17/1991 | EP0422163A1 Method for manufacturing a mineral wool panel. |
| 04/16/1991 | US5008306 Mixing aqueous dispersion of ionic dispersant and fibers and second, oppositely charged, dispersion of polymer powder; adding high molecular weight ionic polymer flocculant, draining, drying |
| 04/16/1991 | US5008086 Erosion resistant mounting composite for catalytic converter |
| 04/16/1991 | CA1282912C Process for forming a sheet of material |
| 04/03/1991 | EP0420360A2 Composite fibrous polyethylene sheet |
| 03/30/1991 | CA2026489A1 Composite fibrous polyethylene sheet |
| 03/29/1991 | WO1991004855A1 Ballistic-resistant articles and method of manufacture thereof |
| 03/29/1991 | CA2066772A1 Ballistic-resistant articles and method of manufacture thereof |
| 03/26/1991 | US5002637 Composite material reinforced by para-oriented aramide fiber sheet and process for preparing the same |
| 03/19/1991 | US5000824 Polyethylene pulp |
| 02/21/1991 | WO1991002249A1 Water-disintegrable material and testing member for bodily fluid prepared therefrom |
| 02/20/1991 | CN1049385A Improved diaphragms containing asbestos fibres, jointers for jointing cathode elements to diaphragms, and process for obtaining diaphragms and jointers |
| 02/19/1991 | CA1280267C Synthetic water-dispersible fiber |
| 02/19/1991 | CA1280266C Water-dispersible synthetic fiber |
| 02/19/1991 | CA1280259C Method of making a water laid fibrous web containing one or more fine powders |
| 02/13/1991 | EP0412916A1 Diaphragm comprising asbestos fibres, association of such a diaphragm with a cathodic element and process of manufacture |
| 02/12/1991 | US4992141 Thin, resin-saturable aromatic polyamide paper and process for making same |
| 02/12/1991 | CA1280243C Flexible fibrous endothermic sheet material for fire protection |
| 02/11/1991 | CA2023031A1 Asbestos fiber diaphragm improvement method, association of said diaphragm with a cathodic element, and method of production therefor |
| 02/09/1991 | WO1991002120A1 Heat-bondable paper sheet |
| 02/07/1991 | WO1990004066A3 Hydraulically entangled wet laid base sheets for wipers |
| 02/07/1991 | DE4024488A1 Radiation screen mfr. - from totally reflective fibres having vapour deposited metal coating |
| 02/07/1991 | DE3925526A1 Radiation screen mfr. - from totally reflective fibres having sputter deposited metal coating |
| 02/06/1991 | EP0411752A1 Method for hydroentangling non-woven fibrous sheets |
| 02/06/1991 | EP0411461A2 Hydrophilic polycarbodiimide polymer,pulp-like material consisting of said hydrophilic polycarbodiimide polymer, and process for producing said polymer or said material |
| 02/05/1991 | US4990405 High strength; waterproofing; gasket seals; dielectrics; dielectrics; papers, films, boards and laminates; construction materials |
| 01/29/1991 | US4988470 Process for preparing structures of inorganic fiber material containing silicone resin |
| 01/23/1991 | CN1048736A Paper made from mixed pulp of grass and synthetic fibre |
| 01/22/1991 | US4987022 Non-inflammable light-weighing tough board |
| 01/09/1991 | EP0406354A1 Composite fiberboard and process of manufacture. |
| 01/01/1991 | US4981636 Fibre reinforced plastics structures |
| 12/19/1990 | EP0402866A2 Organic microfibrilated material for filter |
| 12/19/1990 | EP0402513A1 Process for making highly compressed paper containing synthetic fibres, with a volumetric weight equal to or greater than 0,84 kg/dm3 |
| 12/14/1990 | CA2018867A1 Organic microfibrilated material for filter |
| 12/12/1990 | EP0380471A4 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation |
| 12/05/1990 | EP0400494A1 Thin, resin-saturable aromatic polyamide paper and process for making same |
| 11/28/1990 | EP0399252A2 Smoking article with improved insulating material |
| 11/27/1990 | US4973382 Mixture of fibers with different lengths and derniers |
| 11/27/1990 | CA1276757C Composition for preparing paperboard container for liquids |
| 11/22/1990 | EP0398825A1 Process for making a plane, supple and hardly tearable substrate, and the same |
| 11/22/1990 | CA2016696A1 Smoking article with improved insulating material |
| 11/20/1990 | CA1276412C Loaded paper |
| 11/14/1990 | EP0396771A1 Wet-process nonwoven fabric and ultrafine polyester fibers therefor |
| 11/13/1990 | US4969975 Dispersion, depositing and drainage on foraminous support |
| 11/13/1990 | CA1276376C Polymers and process of making same |
| 11/13/1990 | CA1276060C Method for preparing random-fiber thermoset composites |
| 11/07/1990 | EP0396476A1 Non woven wet-laid product and process for making the same |
| 10/30/1990 | CA1275619C Operating room gown and drape fabric with improved repellent properties |
| 10/18/1990 | WO1990012169A1 Method for manufacturing a mineral wool panel |
| 10/17/1990 | EP0392559A2 Oriented, shaped articles of pulpable para-aramid/meta-aramid blends |
| 10/16/1990 | US4963603 Slurrying, flocculating, molding mineral wool, perlite, clay, cellulosic newsprint and polymeric binder; moisture resistant, no sag |
| 10/13/1990 | CA2014096A1 Oriented, shaped articles of pulpable para-aramid/meta-aramid blends |
| 10/10/1990 | EP0391646A1 A process for the preparation of a poly(paraphenylene terephthalamide) fibrous gel composition and a process to produce poly (Paraphenylene terephthalamide) paper from the composition |
| 10/10/1990 | EP0391089A2 Apparatus for producing annular fiber aggregate |
| 10/10/1990 | EP0391076A2 Stabilized synthetic pulp-cellulose blends |
| 10/03/1990 | EP0390580A2 Fibrids loaded with electromagnetic-wave obscurants |
| 10/03/1990 | EP0389612A1 Hydraulically entangled wet laid base sheets for wipers. |
| 09/30/1990 | CA2013213A1 Fibrids loaded with electromagnetic-wave obscurants |
| 09/26/1990 | CN1009766B Test carrier and process for determination of coagulation parameters |
| 09/25/1990 | US4959453 Process for the preparation of a poly(paraphenylene terephthalamide)fibrous gel composition and a process to produce poly(paraphenylene terephthalamide) paper from the composition |
| 09/20/1990 | CA2011947A1 Stabilized synthetic pulp-cellulose blends |
| 09/05/1990 | CN1045054A Shaving apparatus |
| 08/29/1990 | EP0384526A1 Shaving apparatus |
| 08/29/1990 | EP0384516A1 Male-female fitting element, in particular for hoses having a large diameter |
| 08/28/1990 | US4952426 Coating paper with plastic |
| 08/21/1990 | US4950529 Extra fine fibers; heat, fire and chemical resistance |
| 08/20/1990 | CA2010341A1 Male-female fitting element, in particular for hoses having a large diameter |
| 08/14/1990 | US4948464 Acrylamide-2-acrylamido-2-methylpropanesulfonic acid polymers as formation aids in wet laid nonwovens production |
| 08/08/1990 | EP0380471A1 Nonwoven fabric-like product using a bacterial cellulose binder and method for its preparation |
| 08/01/1990 | EP0380127A2 Thermosealing paper for tea bags, and process for making the same |
| 07/25/1990 | CN1044135A Method and apparatus for producing para-aramid pulp and pulp produced thereby |
| 07/24/1990 | US4943465 Thermal insulating, high temperature resistant composite |
| 07/17/1990 | US4941947 Composite fibrous polyethylene sheet |
| 07/11/1990 | EP0377184A2 Water resistant mineral products |
| 07/10/1990 | US4940512 Cross-directional distribution of additives in synthetic papers |
| 07/03/1990 | US4938844 Process for producing fiber aggregate |
| 06/28/1990 | WO1990005211A3 Paper-like or cardboard-like raw material and process for making it |