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