Patents for D21H 13 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (4,906) |
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07/22/1980 | CA1082088A1 Reinforced corrugated paper board and method of producing the same |
07/01/1980 | US4210692 Overlay sheet and wood laminate |
06/25/1980 | EP0012546A2 Process for the manufacture of composite materials and composite materials obtained by said process |
06/12/1980 | WO1980001176A1 Fiber material and process for its preparation |
05/28/1980 | EP0011488A1 Heat bonded paper |
05/13/1980 | US4202959 Sulfite-modified fibrous resinous material |
05/13/1980 | CA1077214A1 Flash-spinning suspension containing hydrophobized pigment and hydrophilic polyolefin |
05/06/1980 | CA1076912A1 Filter material |
04/29/1980 | US4200487 Economical method of making high-strength glass fiber mats particularly useful for roofing products |
04/22/1980 | CA1075860A1 Viscous dispersion for forming wet-laid, non-woven fabrics |
04/08/1980 | US4196559 Swellable fabrics for ceiling structures |
04/02/1980 | EP0009322A1 Absorbent papers and a process for their production |
04/02/1980 | EP0009271A1 Process for the manufacture of fibrous products, fibrous products so manufactured, and non-wovens or synthetic paper comprising said fibrous products |
03/18/1980 | US4193841 Latex binder |
03/11/1980 | US4192838 Process for producing filter material |
02/05/1980 | US4187143 Polytrimellitimides, shearing in solvent and nonsolvent |
01/23/1980 | EP0006963A1 Method of producing glass mats using novel glass fiber dispersion composition |
01/15/1980 | US4183783 Semisynthetic paper structure on a urea basis |
01/15/1980 | US4183782 Method of producing glass mats using novel glass fiber dispersion composition |
01/15/1980 | CA1069661A1 Polyolefin fibers containing basic pigments and process for preparing same |
01/09/1980 | EP0006362A1 Process for the production of non-combustible asbestos-free board products |
01/09/1980 | EP0006263A1 A stabilized rayon web and structures made therefrom |
01/08/1980 | CA1069265A1 Manufacture of fibrids of polyolefins |
01/08/1980 | CA1069264A1 Manufacture of fibrids of polyolefins |
01/01/1980 | CA1068956A Non-woven material and method of making it |
12/25/1979 | US4180434 Mica paper containing cellulose |
12/18/1979 | US4179331 Amine oxide surfactant, high quality |
12/18/1979 | CA1068144A1 Machine made light weight glass fiber web material |
12/11/1979 | US4178206 Method of forming glass fiber dispersions with cationic quaternary ammonium surfactants having at least two long chain groups |
11/27/1979 | CA1067244A1 Process for producing pulp-forming particles and synthetic paper-like sheets made therefrom |
11/20/1979 | CA1066470A1 Equipment for use in the manufacture of web material |
10/30/1979 | CA1065202A1 Calcium sulphate fibres having inorganic coatings |
10/23/1979 | US4172057 Containing a hydroxy-aldehyde or hydroxy-ketone used in papermaking |
10/17/1979 | EP0004833A2 Paper-like fibre product and method of manufacturing such a product |
09/18/1979 | CA1062418A1 Flash-spinning polymeric composition into divergent portion of convergent-divergent nozzle |
09/11/1979 | US4167548 Forming an emulsion of an olefin polymer, spraying |
08/22/1979 | EP0003475A1 Manufacture of uniform glass mats by the wet-laid process, a glass-fiber dispersion used in this process and coated glass fibers |
08/14/1979 | CA1060244A1 Method for the manufacture of a mineral fibre sheet |
07/31/1979 | US4162996 Fibrous materials useful as leather substitutes and consisting essentially of leather fibers, fibrils or fibrides of synthetic polymers and cellulose fibers |
07/31/1979 | US4162934 Method of producing sorption bodies |
07/24/1979 | US4162180 Producing embossed wall- or ceiling-covering of cellulosic pulp and two different discrete thermoplastic materials |
07/24/1979 | CA1058927A1 Non-combustible hardboard sheet |
07/10/1979 | CA1057911A1 Transparent paper |
07/03/1979 | CA1057600A1 Disposable nonwoven wet wipe |
06/05/1979 | US4157275 Polyvinyl alcohol fibers containing acicular colloidal clay |
05/30/1979 | EP0002002A1 Method of making uniform glass fiber mats by the wet-laid process from an aqueous dispersion |
05/15/1979 | US4154647 Treatment with aqueous mixture of cationic and anionic water-soluble nitrogen-containing polymers |
05/01/1979 | US4152317 Process for improving the water wettability of polyolefins |
04/24/1979 | CA1053045A1 Multi-layer composite paper and method of producing the same |
04/18/1979 | EP0001539A1 A method for the production of a fibrous mat or sheet |
04/17/1979 | CA1052510A1 Method and apparatus for the production of short fibers |
03/06/1979 | US4143006 Size composition for treating glass fibers for reinforcement of paper comprising starch, a polyolefin emulsion and lubricant |
03/06/1979 | CA1049727A1 Process for preparing polymer fibres |
03/06/1979 | CA1049714A1 Removable paper |
02/20/1979 | US4140566 Reinforced sheet-type wallcovering |
02/20/1979 | CA1049196A1 Process for the preparation of polyalphaolefine fibrids obtained thereby |
02/13/1979 | CA1048353A1 Conditioning of polyolefinic fibers for use in the manufacture of synthetic paper |
02/13/1979 | CA1048324A1 Process for producing convoluted, fiberized, cellulose fibers and sheet products therefrom |
02/07/1979 | EP0000628A1 Process of preparing hydrophilic polyolefin fibers, the fibers so produced, and paper containing said fibers. |
02/06/1979 | CA1047717A1 Method for the production of porous carbon sheet |
01/30/1979 | US4137394 Removal at rate equal to that of crystal growth |
01/09/1979 | CA1045910A1 Fibrous mat especially suitable for roofing products and a method of making the mat |
12/26/1978 | CA1044938A1 Sheet material rendered less flexible by coating with a material curable with actinic light |
12/12/1978 | US4129674 Fibrous mat especially suitable for roofing products and a method of making the mat |
12/12/1978 | US4129629 Process for making hydrophilic polyolefin fibers containing clay |
11/07/1978 | CA1041721A1 Process for the production of carbon fiber paper |
10/10/1978 | CA1040336A1 Process for the production of poly-alpha-olefin fibrous gels |
10/03/1978 | US4118273 Incorporation of fine perlite particles in slurry |
10/03/1978 | US4118272 Continuous wet-laid process for making high-strength glass fiber mats |
09/05/1978 | US4112174 Fibrous mat especially suitable for roofing products |
09/05/1978 | US4112029 Manufacture of fibrids of polyolefins |
09/05/1978 | CA1037660A1 Synthetic paper-forming material and the method for producing the same |
08/22/1978 | CA1037189A1 Stabilized aromatic polyamide compositions and products therefrom |
08/08/1978 | US4105727 Process for preparing fibrils for use in the manufacture of paper |
07/04/1978 | US4098757 Hydrophilic, synthetic paper |
07/04/1978 | US4098640 Manufacture of paper-like and textile-like sheets |
06/20/1978 | US4096313 Electrical insulating paper and method of making same |
03/28/1978 | US4081318 Applying foamed aqueous binder to rotating cylindrical transfer surface above web |
02/07/1978 | US4072558 Non-combustible hardboard sheet |
01/10/1978 | US4067769 Heat resistant and flame resistant papers |
11/29/1977 | US4060451 Polyamide-imide and mica pulp particles and paper-like sheets made therefrom |
09/20/1977 | US4049593 Inorganic substance composition and process for producing same |
09/20/1977 | US4049491 Dilution; air, fiber and water |
09/13/1977 | US4047862 Lightweight paper |
08/09/1977 | US4040856 Production of discrete cellulose acetate fibers by emulsion flashing |
07/19/1977 | US4036679 Mechanical treatment |
06/28/1977 | US4032392 Coated sheets |
06/14/1977 | US4029835 Made by pressing and heating a mixed web of two aromatic polyamides |
05/17/1977 | US4024014 Non-combustible hardboard sheet |
03/22/1977 | US4013617 Process for the manufacture of hydrophilic polyolefin fibers containing inorganic pigment |
02/08/1977 | US4007247 Production of fibrils |
02/08/1977 | US4007083 Method for forming wet-laid non-woven webs |
01/11/1977 | US4002796 Treating fibers with a condensate of polyvinyl alcohol and aliphatic aldehydes |
12/28/1976 | US4000343 Substitute textile materials composed of vinyl polymer impregnated creped tissue paper and process of producing same |
12/21/1976 | US3998689 Slurrying, shaping, impregnation, carbonization |
12/14/1976 | US3997648 Fibril formation process |
11/30/1976 | US3995001 Shearing and cooling |
11/09/1976 | US3991169 Dispersing, shaping, heating and carbonizing |
06/15/1976 | US3963848 Flexible coated sheet material |
06/15/1976 | US3963847 Thermoplastic resin |