Patents for D21H 13 - Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (4,906)
06/1992
06/30/1992US5126012 Polyamide-lactam copolymers
06/24/1992EP0491383A1 Nonwoven fabric and production method thereof
06/24/1992EP0491204A2 Wet laid fibrous thermoplastic material and aqueous dispersion for producing same
06/17/1992EP0490678A2 Process for the production of cellulose ester fibrets
06/16/1992US5122230 Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance
06/11/1992WO1992009744A1 Non-asbestos flexible sheet material
06/03/1992EP0488727A1 Paperboard product
06/02/1992WO1992009648A1 Thermoplastically processable aromatic polyether amide
06/02/1992US5118609 Carrier fleece for use as a reagent carrier from which reagents can be dissolved in immunological analysis
06/02/1992US5118390 Without wet pressing; dry calendering
06/02/1992CA2097422A1 Thermoplastically processable aromatic polyether amide
05/1992
05/27/1992EP0486690A1 Heat-bondable paper sheet
05/26/1992US5116537 Treatment with potassium nitrate
05/26/1992CA1301515C Process for making a premould from fibre-reinforced material
05/20/1992CN1061227A Methods for synthesizing pulps and short fibers containing polybenzazole polymers
05/19/1992US5114537 Slurrying cellulose ester fibers in water, mixing with esters of cellulose, drainage, drying and cutting
05/06/1992EP0483716A1 Method of producing fiber-reinforced thermoplastic resin molding material
05/05/1992US5110525 Method for manufacturing a substantially rigid water-dispersible article
05/05/1992US5110412 Method of manufacture of paper or cardboard using recycled fibers treated with enzymes
04/1992
04/30/1992WO1992007140A1 Dry liquid depth filter sheet
04/21/1992US5106560 Pouring onto incline support; gelation
04/21/1992US5106457 High strength
04/21/1992CA1299310C Method for producing low sheet gloss coated paper
04/21/1992CA1299048C Wrappers for specialty smoking devices
04/08/1992CN1060129A Cellulosic pulp bonded by polyhydroxy acid resins
04/07/1992US5102502 Manufacture of highly compressed paper containing synthetic fibers
04/01/1992CN1059891A Sepiolite latexes collecting plate and making method
03/1992
03/31/1992US5100994 Hydrophilic polycarbodiimide polymer, pulp-like material consisting of said hydrophilic polycarbodiimide polymer, and process for producing said polymer or said material
03/27/1992WO1992005311A1 Cellulosic pulp bonded by polyhydroxy acid resins
03/27/1992CA2090975A1 Cellulosic pulp bonded by polyhydroxy acid resins
03/25/1992EP0477019A2 High grade polyethylene paper
03/21/1992CA2051773A1 High grade polyethylene paper
03/20/1992WO1992005300A1 Methods for synthetizing pulps and short fibers containing polybenzazole polymers
03/20/1992CA2089737A1 Methods for synthesizing pulps and short fibers containing polybenzazole polymers
03/19/1992WO1992004502A1 Process of manufacture of a single layer thick dry felt through a wet process and single layer thick dry felt obtained thereby
03/19/1992WO1992004491A1 A process for preparing a unidirectional fiber web, the use thereof for preparing unidirectional composite materials
03/18/1992CN1059572A 不含甲醛的粘结剂 Formaldehyde-free adhesive
03/17/1992CA1297278C Hydroentangled disintegratable fabric
03/11/1992EP0474415A2 Method of treating a porous substrate
03/10/1992US5094913 Oriented, shaped articles of pulpable para-aramid/meta-aramid blends
03/05/1992WO1992003283A1 Method of manufacturing fiber-reinforced plastics material
03/05/1992DE4128943A1 Pulp-like short fibres, useful esp. for paper prodn. - by melt-extrusion of liq. crystal polyester(s) to give highly-orientedmicro:fibrils
03/04/1992CN1015721B Gas-permeable, liquid-impermeable nonwoven material
03/03/1992US5092977 Fluoropolymer binder, dispersion of oxyhydroxide gel
03/01/1992CA2049474A1 Formaldehyde-free binder
02/1992
02/26/1992EP0472355A1 Hydroentangled nonwoven fabric containing synthetic fibers having a ribbon-shaped crenulated cross-section and method of producing the same
02/25/1992US5091055 Sheet prepared by wet means and usable as a backing for a covering material
02/20/1992WO1992002354A1 High modulus media of reinforcing materials and thermoplastic fibrets
02/18/1992US5089370 Light-sensitive material comprising light-sensitive layer provided on support
02/18/1992US5089088 Low-density, high strength aramid boards
02/12/1992EP0470634A2 Producing para-aramid pulp by means of gravity-induced shear forces
02/12/1992CN1058626A Industrial pulping method of serpentine asbestos
02/04/1992US5086108 Forming cellulose acetate or poly(m-phenylene isophthalamide) polymer solution in dimethylacetamide solvent, dispersing particle of metal, shear precipitation, separation and drying
01/1992
01/29/1992EP0468414A2 Paper using slag wool
01/28/1992US5084136 Dispersible aramid pulp
01/28/1992CA1294742C Polyethylene pulp
01/22/1992EP0467286A1 High shear modulus aramid honeycomb
01/21/1992WO1992001829A1 A process for preparing subdenier fibers, pulp-like short fibers, fibrids, rovings and mats from isotropic polymer solutions
01/21/1992CA2087727A1 Process for preparing subdenier fibers, pulp-like short fibers, fibrids, rovings and mats from isotropic polymer solutions
01/16/1992DE4122994A1 Pulp-like short fibres with highly-oriented fibril structure - by melting a mixt. of water and acrylonitrile (co)polymer, cooling below the m.pt., extruding the supercooled melt and breaking up the prod.
01/09/1992DE4118298A1 Pulp-like short fibres with highly oriented fibrillar structure - by melting mixt. of water and acrylonitrile] (co)polymer, cooling below the m.pt. extruding the supercooled melt and breaking up the prod.
01/08/1992EP0465203A1 Improved wet laid bonded fibrous web containing bicomponent fibers including LLDPE
01/07/1992US5079280 Ion exchanging vermiculite with potassium nitrate, mounting automotive catalytic converters
01/03/1992CA2045114A1 Wet laid bonded fibrous web containing bicomponent fibers including lldpe
01/01/1992CN1057470A Dispersible aramid pulp
12/1991
12/31/1991US5076887 Pressboard and process for its production
12/24/1991US5074962 Dehydrating mixture of thermoplastic and natural fibers to for m paper sheet, writing, attaching superposed sheet by heating under pressure
12/17/1991US5072971 Male-female fitting element, in particular for hoses having a large diameter
12/10/1991US5071511 Slurrying mixture of mineral wool, perlite, cellulose fiber and binder free from clay filler, dewatering, coating on wire screen, compressing, drying,and forming decorative patterns
12/04/1991EP0459519A1 Roll fill material and a filled calender roll covered with said material
12/02/1991CA2043777A1 Roll fill material and a filled calender roll covered with said material
11/1991
11/21/1991EP0457235A1 Process for modifying hydrophilic fibers with substantially water-insoluble inorganic substance
11/14/1991WO1991017210A1 Method and composition for manufacturing a substantially rigid water-dispersible article
10/1991
10/31/1991WO1991016119A1 Non-woven element comprised of fibrid binder
10/22/1991US5059107 Apparatus for producing annular fiber aggregate
10/16/1991EP0451707A2 Sheet material and process for producing the same
10/16/1991CN1014333B Filler compositions and their use in manfacturing fibrous sheet materials
10/09/1991EP0450638A1 Chemical composition to produce water soluble curable films on fibrous surfaces and so treated glass fibers
10/01/1991US5053107 Ceramic staple fiber and glass fiber paper
09/1991
09/24/1991US5051845 Closed-loop post production process
09/24/1991US5051150 Stabilized synthetic pulp-cellulose blends
09/24/1991CA1289307C Reinforced polymer sheet
09/18/1991EP0446870A1 High strength papers from floc and fibers
09/17/1991US5049237 Layered silicates and water-resistant articles made therefrom
09/12/1991DE4007060A1 Intumescent sheet useful in construction and as moulding material - is made from fibres and expandable graphite by paper process without binder
09/11/1991EP0446138A1 Process for making paper for filterbags and product
09/11/1991EP0445655A1 Dispersible aramid pulp
09/10/1991US5047121 Continuous Papermaking From A Pulp Of Polyethylene And Polyvinyl Alcohol Fibers
09/10/1991US5047120 Method for manufacture of lightweight frothed mineral wool panel
09/04/1991EP0422163A4 Method for manufacturing a mineral wool panel
08/1991
08/28/1991EP0305433A4 Method for manufacturing a mineral panel
08/28/1991EP0297132A4 Method for manufacture of lightweight frothed mineral wool panel
08/28/1991EP0296233A4 Low density frothed mineral wool panel and method
08/21/1991EP0441996A1 Composite sheet made from mechanically delaminated vermiculite
07/1991
07/24/1991EP0437816A1 Superabsorbent wet-lay nonwoven product
07/24/1991EP0437624A1 Testing device for bodily fluid
07/23/1991CA1286464C Non-woven fibre product
07/23/1991CA1286457C Process for making paper
07/17/1991EP0436649A1 Base composition for the fabrication of a flexible and porous sheet product consisting basically of elastomer powder, sheet product and preparation method.
07/17/1991CA2033365A1 Superabsorbent wet-lay nonwoven product
1 ... 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50