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WO/1996/039552A1 |
A process for the rapid precipitation polymerization of acrylonitrile and a minor amount of a vinyl carboxylic acid comonomer in an environment of less than 10 ppm metal-ions to produce an acrylonitrile copolymer which, when pyrolyzed in...
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WO/1996/035009A1 |
The invention is a process of, and apparatus (10) for, collecting relatively straight blow spun fibers in a two-dimensional configuration. The process utilizes a venturi (40) to preclude the kinking and bending of the fibers until the fi...
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WO/1996/034134A2 |
A flexible, ignition resistant, biregional fiber is disclosed, wherein the fiber is preferably derived from a single homogeneous polymeric precursor composition, said biregional fiber comprising an inner core region of a thermoplastic po...
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WO/1996/031561A1 |
A biologically degradable polymer mixture contains at least one biopolymer made from renewable raw materials and a polymer selected from the following materials: an aromatic polyester; a polyester-copolymer with both aliphatic and aromat...
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WO/1996/030570A1 |
A plurality of carbides, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of:...
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WO/1996/022314A1 |
A fourth allotrope of carbon, an acetylenic carbon allotrope, is described. The acetylenic carbon allotropes of the present invention are more soluble than the other known carbon allotropes in many common organic solvents and possesses o...
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WO/1996/020141A1 |
A method for fiberizing mineral material (18) with organic material (38) includes centrifuging mineral fibers (20) from molten mineral material (18) with a first spinner (10) rotating about an axis (12), changing the direction of the min...
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WO/1996/020140A1 |
A method for fiberizing mineral material (18) with organic material (36) includes centrifuging mineral fibers (20) from molten mineral material (18) with a first rotating spinner (10), changing the direction of the mineral fibers (20) to...
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WO/1996/019600A1 |
A method for producing asphalt fibers (26) includes supplying molten asphalt (20) to a rotating asphalt spinner (10), centrifuging asphalt fibers (22) from the asphalt spinner (10), and collecting the asphalt fibers (26). The molten asph...
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WO/1996/019599A1 |
The invention concerns technical and non-technical textile articles and packaging materials produced from renewable raw materials which are fully biodegradable and have very good mechanical properties. The articles in question are manufa...
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WO/1996/019601A1 |
A method for producing asphalt fibers (26) includes supplying molten asphalt (20) to a rotating asphalt spinner (10), centrifuging asphalt fibers (22) from the asphalt spinner (10), and collecting the asphalt fibers (26). The molten asph...
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WO/1996/018059A1 |
Graphitic nanotubes, which includes tubular fullerenes (commonly called "buckytubes") and fibrils, which are functionalized by chemical substitution or by adsorption of functional moieties. More specifically the invention relates to grap...
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WO/1996/014453A1 |
A process for preparing an alginate rope, which process comprises the steps of: (a) extruding an aqueous solution of a water soluble alginate into a coagulation bath; (b) contacting the extruded water soluble alginate with a source of a ...
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WO/1996/013472A1 |
An improved interface coating for a fibrous material composed of a silicon-containing boron nitride having the general composition BSixN1+1.33x' and containing from 2 wt.% to 42 wt.% of silicon, with substantially no free silicon present...
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WO/1996/010106A1 |
Fibres which are useful in wound dressings comprise an alginate co-spun with at least one water soluble organic polymeric species (other than an alginate). Examples of such fibres comprise alginate and CMC.
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WO/1996/006146A1 |
A process for preparing an ignition resistant carbonaceous material (25) by exposing a meltblown or spunbonded acrylic precursor material (26) in the form of at least one ply of generally planar fibrous web, matt or batt to ionizing radi...
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WO/1996/004214A1 |
Inorganic fibres are disclosed, vacuum preforms of which have a shrinkage of 3.5 % or less when exposed to 1260 �C for 24 hours. The fibres have a composition comprising SrO, Al2O3, and sufficient fibre forming additive to allow fibre ...
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WO/1996/003279A1 |
A process for preparing carbonaceous fibers for use as insulation. The process comprises the steps of subjecting polyacrylonitrile based fibers (12) to ionizing radiation (14) and then heat treating (16) the irradiated fibrous material t...
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WO/1996/002578A1 |
A process for the rapid precipitation polymerization of acrylonitrile and a minor amount of a vinyl carboxylic acid comonomer in an environment of less than 10 ppm metal-ions to produce an acrylonitrile copolymer which, when pyrolyzed in...
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WO/1996/002284A1 |
Alginate fibres comprising at least one medicament incorporated into the structure thereof, the medicament being present at a level of at least 10 % by weight, based on the weight of the alginate fibre with no incorporated medicament.
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WO/1996/001658A1 |
Alginate fabrics have, in conjuction with charcoal cloth, been used in wound dressings for malodorous wounds and there are commercial examples of such wound dressings. A problem associated with known alginate wound dressings which employ...
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WO/1995/031281A1 |
A method for the manufacture of a catalyst for the production of carbon fibrils comprising contacting a fibril-forming catalyst or precursors of a fibril-forming catalyst with an effective amount of a surfactant and/or polyol. A catalyst...
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WO/1995/026433A1 |
A process for the preparation of a carbon yarn product includes the steps of pyrolizing raw carbonaceous yarn comprising a plurality of carbon fibers, at a temperature above about 650 �F; flexing the pyrolized yarn to substantially bre...
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WO/1995/025834A1 |
A boron nitride fiber comprising hexagonal and/or turbostratic boron nitride and having a C plane oriented in parallel with the fiber axis and a degree of crystal orientation of 0.74 or above. It is produced by preparing a boron nitride ...
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WO/1995/023884A1 |
EMI shielding materials in form of plates, panels, and fabrics and methods for their preparation and for preparing highly filled ferromagnetic fibers therefor are described. In the method the ferromagnetic filler is treated in an ultraso...
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WO/1995/007380A2 |
A graphite fibril material comprised primarily of an aggregate of an average particle diameter of 0.1 to 100 'mu'm in which fibrils are intertwinned, the fibrils being graphite fibrils of a fiber diameter of 0.0035 to 0.075 'mu'm and spa...
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WO/1995/007379A2 |
An inorganic composite hardened material containing carbon fibrils obtained by mixing 0.05 to 20 % by weight of carbon fibril material comprised of an aggregate in which carbon fibrils of an outside diameter of 3.5 to 75 nm are intertwin...
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WO/1995/004003A1 |
The melting tub (1) for producing the molten mass (2) from a mixture (21) of raw materials is associated with an additional melting unit (4) by means of which a recycled molten mass (29) is obtained from mineral wool waste (28) largely c...
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WO/1995/000977A1 |
This electrode uses a carbon fiber whose crystallites are 13 to 17 angstrom thick according to X-ray diffractometry. In a method for manufacturing the cell electrode using the carbon fiber, the carbon fiber is burned at a temperature bet...
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WO/1994/025268A1 |
It has now been found that highly advantageous three-dimensional, macroscopic assemblages of randomly oriented carbon fibrils can be prepared which have relatively uniform physical properties along one, preferably two and most desirably ...
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WO/1994/023829A1 |
In order to produce ceramic hollow fibres, in particular hollow fibre membranes for microfiltration, ultrafiltration and gas separation, a paste is made by filling a polymer binder system with a ceramic powder, said paste is processed by...
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WO/1994/023433A1 |
A polymeric composition having improved toughness and conductivity comprising carbon fibrils, at least a portion of which are in the form of aggregates, wherein, as measured on an area basis, substantially all of the aggregates are less ...
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WO/1994/020655A1 |
The present invention resides in ignition resistant non-linear carbonaceous fiber or fiber tow having a reversible deflection ratio of greater than 1:1 but equal to or less than 1.2:1. The fibers have a multiplicity of crimps along their...
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WO/1994/020431A1 |
This invention relates to a black glass fiber which is resistant to oxidation at a temperature of about 1350 �C and has the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0 and y ranges from about 0.5 to about 2.0. T...
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WO/1994/019290A1 |
This disclosure depicts a feeder or bushing (11) where the heat transfer members or fin shields (22) have outwardly disposed surfaces with a ceramic coating (30) bonded to those surfaces. The heat transfer surfaces also are in direct con...
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WO/1994/018363A1 |
A metal component like a spinner for producing mineral wool material consists of or at least comprises a unitary cast piece of metal superalloy preferably on the basis of nickel or cobalt, which unitary cast piece is in the form of a sin...
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WO/1994/017227A1 |
Highly absorbent alginate fibres are described which have use in the manufacture of dressings.
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WO/1994/012441A1 |
Known anorganic fibres for producing textile products to be used above 400-500 �C are costly to produce, difficult to process because of their poor mechanical properties or suspected of endangering or damaging human health. A new silic...
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WO/1994/009190A1 |
Process and device for the production of fibrous starch materials through extrusion of a dispersion or aqueous solution of starch material in a flow of saline coagulant, in which the dispersion or aqueous solution is extruded through a m...
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WO/1994/007613A2 |
The present invention relates generally to methods for the synthesis of various solids such as diamonds, diamond films, boron nitride and other similar materials. This invention specifically relates to utilizing novel sources of reaction...
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WO/1994/004727A1 |
An improved wiped film evaporator (WFE) process for removing low molecular weight species from a hydrocarbyl mixture is disclosed, wherein partial oxidation of a hydrocarbyl mixture precedes the WFE step. Faster rates of distillation are...
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WO/1994/004469A1 |
Mineral material, particularly of the basalt type, is fiberized by internal centrifuging in a spinner (1\') having a peripheral wall (19) with a multiplicity of orifices through which the melt may emanate into the environment where a hot...
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WO/1994/005017A1 |
The invention relates to an electrically conducting cable with one or more cores, in particular for signal transfer. According to the invention, the conductor of at least one core comprises a carbon filament obtained by dehydrogenating a...
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WO/1994/004468A1 |
A method for producing mineral wool of a material which is highly fluid at an elevated liquidus temperature in particular above 1,200 �C, with a viscosity of less than 5,000 poises at liquidus temperature, is proposed wherein the molte...
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WO/1994/003409A1 |
A method for preparing polycrystalline lithium metal oxide fibers of the formula LixMyOz by filling micromold fibers of a desired inner diameter and length with a mixture composed of the desired metal salts or solutions of salts or alkox...
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WO/1994/002430A1 |
Disclosed is a method for converting polycarbosilane derived Si-C-O containing fibers such as Nicalon or Tyranno, to polycrystralline silicon carbide ceramic fibers by means of heating the fibers at a heating rate of at least about 5 �...
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WO/1994/000164A1 |
An alginate fibre comprising one or more medicaments incorporated into the fibre core such that the or each medicament can be released in a sustained manner over time and, optionally, one or more medicaments attached to the surface of th...
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WO/1993/024687A1 |
An improved catalyst for producing carbon fibrils is made by incorporating an effective yield-enhancing amount of a carboxylate into a fibril-forming catalyst. Alternatively, such a catalyst is made by coprecipitating a compound of a met...
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WO/1993/024590A1 |
This application relates to a process for making carbon artifacts from solvated mesophase pitch comprising quinoline insoluble materials. The process has a significant advantage over the art as it permits the use of otherwise unusable pi...
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WO/1993/022257A1 |
Methods of forming composite articles of superconducting materials and metal are disclosed. The composite articles are formed by applying a mixture of metal and binder to a ceramic oxide preform. The coated preform is heat treated to pro...
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