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Patent Searching and Data


Matches 601 - 650 out of 7,063

Document Document Title
WO/1998/051396A1
The invention relates to a filter material comprising at least two layers, where at least one layer contains natural fibres and at least one layer contains biodegradable thermoplastic fibres. Said thermoplastic fibres are chosen from amo...  
WO/1998/051861A1
The present invention furnishes a paper that includes at least two layers in the z direction, which in turn are, in the y direction, divided into at least two fields with properties that differ from each other and that extend in the x di...  
WO/1998/046827A1
A process is disclosed for making aqueous aramid dispersion and aramid sheets of improved uniformity by utilizing water with a pH of greater than 10.  
WO/1998/044197A1
Provided by the present invention is a wet-layed, nonwoven sheet which is comprised of metal fiber and metal powder. Generally, the amount of metal fiber comprises from 20 to 95 % by weight and the amount of metal comprises from 5 to 80 ...  
WO/1998/044181A1
A soft, absorbent nonwoven fibrous web, such as a wet wipe, capable of dispersing in an aqueous environment into unrecognizable pieces, made by a method comprising the steps of forming a wet-laid nonwoven web from an aqueous slurry of fi...  
WO/1998/043756A1
Provided by the present invention is a process for making a wet-layed metal fiber nonwoven sheet. The process comprises first dispersing metal fibers into an aqueous dispensing fluid which contains a non-carboxy containing water soluble ...  
WO/1998/044198A1
Provided by the present invention is a process for making wet-layed metal fiber nonwoven sheet. The process comprises dispersing (3, 4) a mixture (2) of metal fibers, wood pulp and a fibrillated material into an aqueous dispensing fluid ...  
WO/1998/040207A1
A tissue (10) which has at least one fibrous ply (12). A hydrophobically treated foam (14) stratum is placed on at least one of the fibrous plies (12) in order to prevent the penetration of moisture through the tissue. A hydrophobically ...  
WO/1998/040557A1
The invention relates to a method for producing high-temperature resistant technical paper, wherein fibers are mixed with wet paper pulp and technical paper is subsequently produced by dehydrating said pulp, thereby causing the paper mat...  
WO/1998/035829A1
A nonwoven composite web suitable for use as a battery separator is formed by a wet process on a papermaking machine. The nonwoven composite material is made from a furnish of nylon binder fibers and nylon staple fibers. The web coming o...  
WO/1998/036128A1
A fibrous, porous web material of the heat seal type having improved particulate retention properties for use in the manufacture of beverage infusion bags. The material comprises juxtaposed, successively wet laid first (1), second (5) an...  
WO/1998/035144A1
A multilayer intumescent mat or sheet (30) is useful for mounting a pollution control device (20) or as a firestop. In one aspect, the multilayer intumescent sheet of the invention comprises a non-moldable flexible non-intumescent layer ...  
WO/1998/032579A1
A non-woven mat (18) of inorganic fibre is disclosed having a substance which is lower at the edges (26') of the mat than in the remainder (28) of the mat. Apparatus for making such a mat comprises: a source of a slurry of inorganic fibr...  
WO/1998/031626A1
Wet-laid nonwoven webs having mechanical reinforcement properties are provided by employing unpulped vegetable fiber bundles as the predominant fiber component. The unpulped fiber bundles have a modulus of elasticity of about 2 - 5 x 10?...  
WO/1998/030752A1
A coated aramid fiber is disclosed wherein the coating is a small amount of chitosan and the coated fiber is useful in manufacture of an improved friction paper. An improved friction paper is, also, disclosed wherein chitosan is present ...  
WO/1998/028477A1
A non-woven cloth, particularly sailcloth, which is substantially non-porous in which the cloth is formed by a matrix of bicomponent fibres and high tenacity additive fibres, the cloth having a weight greater than 90g per m?2�. The clo...  
WO/1998/024960A1
An air-laid unitary absorbent layer composed of crosslinked cellulosic fibers and a binder is disclosed. In a preferred embodiment, the binder is a bicomponent binding fiber. In combination with one or more other layers in an absorbent a...  
WO/1998/024392A1
A unitary absorbent layer composed of cross-linked cellulosic fibers and a binder is disclosed. In a preferred embodiment, the binder is a bicomponent binding fiber. In combination with one or more other layers in an absorbent article, t...  
WO/1998/024970A1
Disclosed is a peel pack paper having a Gurley porosity of greater than 20 seconds/sheet. The paper includes a) from about 45 to about 65 %, by weight, of substantially fully bleached eucalyptus Kraft pulp fibers; b) from about 10 to abo...  
WO/1998/022988A1
A separator for lead-acid battery is constituted of a synthetic pulp in which texture of constituent fibers is complicated, and a laminated sheet (III) forming a coated layer (II) of an inorganic powder and an acid-proof polymer at least...  
WO/1998/017864A1
A multi-layered paper product. The paper product has individual layers for providing a soft tactile sensation to the user, for providing strength, and for providing bulk. Suitable fibers for increasing bulk may be synthetic fibers, debon...  
WO/1998/016378A1
A printable tape of polyethylene to be used in cash registers to improve the efficiency of the check out process and enhance the post consumer recyclability of the plastic bags used by the stores. The tape comprises polyethylene, a pigme...  
WO/1998/016687A1
This invention relates to compositions, paper, thermoplastic sheets, and medical paper containing cellulose ester, alkylpolyglycoside (APG) or a mixture of APG and polyether glycol, and, optionally, cellulose. The process of incorporatin...  
WO/1998/016688A1
A decorative paper sheet for use in preparing a decorative laminate is made up of a matrix containing from about 15 to about 60 weight percent of cellulose and from about 40 to about 85 weight percent of cellulose acetate. The sheet also...  
WO/1998/013548A1
The present invention relates to a para-fully aromatic polyamide pulp, its preparing process and its preparing equipment, more particularly, it is an assembling of micro fibrils having less than 1 $g(m)m in its average diameter and crush...  
WO/1998/012385A1
A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively small amount while the particles are pr...  
WO/1998/011299A1
A method is provided for forming a wet-laid non-woven glass fiber mat comprised of a plurality of bundles of fibers. The method includes the steps of adding chopped fibers to a water slurry containing a sufficient amount of a hydrophobic...  
WO/1998/010129A1
A flexible mat is provided having a nonwoven fabric having first and second major surfaces; and a coating of metal oxide on only a portion of at least one of the major surfaces.  
WO/1998/002313A1
A recording material for the inkjet method with aqueous inks, comprising a substrate paper containing synthetic fibers and comprising a porous recording layer which is arranged on one main surface or both main surfaces of the substrate p...  
WO/1998/001620A1
Aqueous stock which comprises lyocell fibres can be refined more rapidly when the stock comprises from 0.1 to 5.0 percent by weight sodium hydroxide. Paper made from stock refined in this manner may exhibit improved tensile properties, i...  
WO/1997/049864A1
A non-asbestos gasket paper comprises, by weight, 4-15 % aramid fibre pulp, 4-10 % polymeric binder, 60-90 % silicate mineral and 2-15 % inorganic binder.  
WO/1997/041167A1
A process for the manufacture of fibre-reinforced synthetic resin article comprises the steps of forming an aqueous suspension of fibres by intimate blending of water-dispersible reinforcing fibres and web-forming in the absence of binde...  
WO/1997/035056A1
The present invention is a non-woven fiber mat suitable for reinforcing resilient sheet floor coverings, such as vinyl floor coverings. The woven fiber mat is in the form of a sheet of reinforcement fibers (14) which at least includes se...  
WO/1997/029655A1
The invention concerns a filter material which is suitable in particular for producing cigarette filters. The material is characterized in that molten softened cellulose acetate is applied by the melt blown technique to a strip of prefab...  
WO/1997/026225A1
This invention describes hollow microfibers of ceramic material with a wall thickness of approximately 0.01 to 15 'mu'm and an outer diameter of approximately 0.5 to 35 'mu'm. The hollow microfibers are produced preferably by means of a ...  
WO/1997/025476A1
The invention relates to security paper and in particular to a method for the manufacture of security paper which is provided with high-quality watermarks. In particular such a method comprises forming a papermaking suspension comprising...  
WO/1997/021865A1
An abrasive nonwoven fibrous web material is produced by initially forming a nonabrasive precursor nonwoven fibrous web material having on a first planar surface thereof a substantially uniform distribution of attenuated meltable thermop...  
WO/1997/020985A1
A high pressure laminate is made of several layers of paper, including from bottom to top core sheets, a decor sheet and an overlay sheet. The core sheets are either composed of cellulose fibers or composed of 30 to 90 weight percent cel...  
WO/1997/017492A1
A process for the manufacture of a lignocellulose-based product from a lignocellulosic material comprises treating the lignocellulosic material and a phenolic polysaccharide with an enzyme capable of catalyzing the oxidation of phenolic ...  
WO/1997/016595A1
The invention relates to paper and similar products made with at least a portion of the papermaking furnish being essentially water insoluble carboxyethyl cellulose fibers. A cationic additive material, such as a polyamide epichlorohydri...  
WO/1997/016599A1
A thermoplastic film is comprised of an admixture of 20 to 85 weight percent cellulose ester fibers and 80 to 15 weight percent cellulose fibers and a functional amount of a cellulose ester plasticizer. The film has an opacity in the ran...  
WO/1997/013920A1
A biodegradable and hydrolyzable sheet which comprises at least one biodegradable synthetic fiber, at least one natural fiber and/or regenerated fiber, the fibers being bonded to one another with a binder which substantially loses its ad...  
WO1997004184A3  
WO/1997/006204A1
Disclosed is a fluororesin sheet comprising an aromatic polyamide pulp and a fluororesin as an essential component, the tensile strength of the fluororesin sheet being not less than 250 Kg/cm2, a process for producing the fluororesin she...  
WO/1997/005329A1
A composition of paper comprising 99 to 10 weight percent cellulose fibers and 1 to 90 weight percent cored cellulose fibers that are uniformly dispersed within the paper. The cored cellulose fibers are composed of a cellulose sheath tha...  
WO/1997/004184A2
The present invention relates to a method for manufacturing interior plate boards for construction comprising the steps of cutting 30-55 % by weight of waste pulp, 20-35 % by weight of waste polyester fibers and 20-35 % by weight of wast...  
WO/1997/002219A1
The invention provides an intumescent sheet material comprising 20 to 80 dry weight percent of at least one unexpanded intumescent material, 10 to 40 dry weight percent of at least one processed vermiculite selected from ground expanded ...  
WO/1997/002218A1
The invention provides an intumescent sheet material comprising 25 to 60 dry weight percent of at least one unexpanded intumescent material, 25 to 60 dry weight percent of ceramic fibers, 0.5 to 5 dry weight percent of glass fibers havin...  
WO/1997/000356A1
A method for making heat-stable paper including a heat-stable binder is disclosed. In particular, a method for making heat-stable paper that has been densified by calendering is disclosed. The calendering rolls are coated with a coating ...  
WO/1997/000354A1
Disclosed is a process for making reduced odor individualized, crosslinked fibers which includes the steps of providing cellulosic fibers, contacting the fibers with a solution containing a C2-C9 polycarboxylic acid crosslinking agent, m...  

Matches 601 - 650 out of 7,063