| Document |
Document Title |
|
WO/1999/043608A1 |
A process for producing substantially pure hydrogen by contacting a stream of a hydrocarbon gas with a nickel or nickel-copper containing catalyst at a temperature in the range of about 400 to 900 °C. This results in the conversion of t...
|
|
WO/1999/033536A2 |
New process for separating the isotropic and anisotropic (mesophase) phases of tars through hot filtration. The process is based on the differences of the softening points of the two phases and using an intermediary temperature between t...
|
|
WO/1999/029940A1 |
A method for the production of elemental carbon fibers and carbon particles uses highly uniform catalyst particles, preferably made by laser pyrolysis. Preferred catalyst particles include elemental iron, iron carbides or iron sulfides, ...
|
|
WO/1999/027166A1 |
The present invention provides a process and apparatus (10) for blow spinning continuous fibers. The process utilizes a blow spinning die (20) and a tensioning device (40) to preclude slack in the fiber. The present invention also provid...
|
|
WO/1999/025652A1 |
The present invention provides a powerful new method for producing, uniform sized and uniformly aligned nanotubes through catalytic pyrolysis of a hydrocarbon within the dense, uniform and parallel pores of alumina nano-templates. The ca...
|
|
WO/1999/022052A1 |
The invention concerns a method for making a carbon fibre preform which consists in using at least one yarn or cable formed of continuous fibres derived from carbon precursor fibres previously subjected to an intermediate carbonization s...
|
|
WO/1999/011846A1 |
A coiled carbon fiber of 0.01-5 $g(m)m in fiber diameter, 0.1-2000 $g(m)m in coil diameter, 0-50 $g(m)m in coil pitch and 100 $g(m)m-5 m in coil length, including a coiled carbon fiber having a clockwise-twined double spiral structure an...
|
|
WO/1999/010572A1 |
An acrylonitrile-based precursor fiber obtained by spinning an acrylonitrile copolymer (which contains at least 90 wt.% acrylonitrile monomer units and has a carboxylate group content of 5.0x10?-5¿ to 2.0x10?-4¿ eq/g and a content of s...
|
|
WO/1999/009270A1 |
Pipe sections or external roof or wall cladding are formed of bonded man-made vitreous fibre batts wherein the fibres have a viscosity at 1400 °C of 10 to 170 poise and a dissolution rate at pH 4.5 of at least 20 nm per day.
|
|
WO/1999/008971A1 |
Pipe sections for external roof or wall cladding are formed of bonded man-made vitreous fibre batts wherein the fibres have a viscosity at 1400 °C of 10 to 170 poise and a dissolution rate at pH 4.5 of at least 20 nm per day.
|
|
WO/1999/008969A1 |
Pipe sections or external roof or wall cladding are formed of bonded man made vitreous fibre batts wherein the fibres have a viscosity at 1400 °C of 10 to 170 poise and a dissolution rate at pH 4.5 of at least 20nm per day.
|
|
WO/1999/006618A1 |
A process for producing hollow, single-walled carbon nanotubes by catalytic decomposition of one or more gaseous carbon compounds by first forming a gas phase mixture of carbon feed stock gas comprising one or more gaseous carbon compoun...
|
|
WO/1999/005347A1 |
A method (50) of fabricating an amorphous carbon material for use as an electrode (20) in a rechargeable electrochemical cell (10) includes the steps of heating (62) a lignin material until it has fully cured, comminuting (68) the lignin...
|
|
WO/1999/004073A1 |
A hollow carbon microcoil with the coil pitch of substantially zero, and a hollow ceramic microcoil or a hollow ceramic microfiber prepared by subjecting the hollow carbon microcoil to metallization or other treatments. The hollow carbon...
|
|
WO/1999/000325A1 |
Carbonaceous powder particles and carbonaceous fibers the surface of each of which is coated with a thin boron nitride film and which satisfy the following relationships among the boron atom concentration C(B), carbon atom concentration ...
|
|
WO/1998/045386A1 |
The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber whi...
|
|
WO/1998/045515A1 |
A reinforced fiber bundle which consists of a plurality of single yarns which are aligned or a plurality of reinforced bundles which are aligned in parallel are made to run through a plurality of rolls while they are bent to open the fib...
|
|
WO/1998/045303A1 |
The invention concerns boron-containing carbosilanes, a process for preparing them, boron-containing oligo or polycarbosilazanes, a process for preparing them and their use, as well as silicon borocarbonitride ceramics and a process for ...
|
|
WO/1998/042620A1 |
A novel process for producing carbon nanotubes; a process for producing a nanotube film comprising many carbon nanotubes oriented in the direction of the film thickness; and a structure having a carbon nanotube film on the surface of a b...
|
|
WO/1998/041678A1 |
The invention concerns a carbon precursor cellulose fibre texture impregnated with a composition containing at least a mineral constituent with a function promoting cellulose dehydration, and subjected to thermal treatment, consisting in...
|
|
WO/1998/039251A1 |
A process utilizing a supported metal catalyst, a volatile species source, and a carbon source has been developed to produce carbide nanorods with diameters of less than about 100 nm and aspect ratios of 10 to 1000. The volatile species ...
|
|
WO/1998/039250A1 |
A method for purifying a mixture comprising single-wall carbon nanotubes and amorphous carbon contaminate is disclosed. The method includes the steps of heating the mixture under oxidizing conditions sufficient to remove the amorphous ca...
|
|
WO/1998/036113A1 |
A series of precursor fiber bundles for manufacture of carbon fiber that comprise a plurality of precursor fiber bundles for manufacture of carbon fiber, which have 30,000 or more filaments and which are joined to one another at terminal...
|
|
WO/1998/031852A1 |
A melt article, e.g. a fibre or film, or a fusible acrylonitrile polymer can be cross-linked to render it infusible. The thusly cross-linked article can be oxidised and subsequently carbonised or graphitised in similar manner to articles...
|
|
WO/1998/012368A1 |
A method of treating carbon fibrils and carbon fibril structures such as assemblages, aggregates and hard porous structures with a plasma to effect an alteration of the surface or structure of the carbon fibril or fibrils. The method can...
|
|
WO/1998/012369A1 |
Chitosan-containing acrylic fibers having a total chitosan content of 0.05 to 2 % by weight and an extractable chitosan content of not less than 0.03 % by weight to less than the total chitosan content. The antimicrobial activity of the ...
|
|
WO/1998/005920A1 |
Macroscopically manipulable nanoscale devices made from nanotube assemblies are disclosed. The article of manufacture comprises a macroscopic mounting element capable of being manipulated or observed in a macroscale environment, and a na...
|
|
WO/1998/000876A1 |
Fibrous carbon having a cross section satisfying an area fulfillment factor of not less than 0.8 is used as nonaqueous electrolyte secondary cell cathode material. Alternatively, since the fractal dimension value of the cross section hig...
|
|
WO/1997/047799A1 |
Carbon fibers for resin reinforcement which can be stably mixed with resins and uniformly dispersed therein. They are produced by sizing carbon fibers and cutting the resulting fibers and having a disintegration-initiating angle of 65�...
|
|
WO/1997/045257A1 |
This invention relates to a method for disentangling hollow carbon microfibers and to the dispersion of hollow carbon microfibers, having an outer diameter of 3.5-70 nm and an aspect ratio of at least 5, to form transparent electrically ...
|
|
WO/1997/045576A1 |
Carbon fiber of which the tensile strength of resin-impregnated strand is high even when the thickness of each monofilament constituting the carbon fiber is large. This carbon fiber is characterized in that it comprises a plurality of mo...
|
|
WO/1997/043473A1 |
A high surface area nanofiber is disclosed. The nanofiber has a coating which contains pores sufficient to increase the effective surface area of the nanofiber. Generally, the high surface area layer is formed by pyrolysis of a coated po...
|
|
WO/1997/043116A1 |
This invention relates to rigid porous carbon structures and to methods of making same. The rigid porous structures have a high surface area which are substantially free of micropores. Methods for improving the rigidity of the carbon str...
|
|
WO/1997/039170A1 |
An absorbent, composite fibre comprising a matrix of from 10 % to less than 50 % of water insoluble alginate having dispersed therein at least 40 % of another polysaccharide.
|
|
WO/1997/033688A1 |
The present invention relates to a process for preparing a vegetable fibre and to the vegetable fibre prepared. The fibre is prepared by a process which comprises the steps of (i) treating a vegetable fibre-containing fraction with a wat...
|
|
WO/1997/033176A1 |
Graphitic nanotubes, which include tubular fullerenes (commonly called "buckytubes") and fibrils, which are functionalized by chemical substitution, are used as solid supports in electrogenerated chemiluminescence assays. The graphitic n...
|
|
WO/1997/030093A1 |
A polyvalent cation crosslinked pectin fiber composition is composed of a calcium sensitive low methoxyl pectin with a degree of esterification (DE) of less than 15 % or calcium sensitive amidated pectin having a DE of less than 50 % whe...
|
|
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/1997/026082A1 |
The present invention relates to the storage of hydrogen in layered nanostructures possessing: at least some crystallinity, interstices from about 0.335 nm to 0.67 nm, and chemisorption properties with respect to hydrogen at those surfac...
|
|
WO/1997/022741A1 |
A three-axis fabric using a pitch system carbon fiber is provided that is light in weight and has high elastic modulus and high thermal conductivity and constituted by a bundle of fibers having a yarn size of 40 g/km or greater and 75 g/...
|
|
WO/1997/020782A1 |
Mineral fibers are provided with a phosphorus-containing coating to impart high-temperature resistance without substantially affecting mechanical performance. Preferred mineral-fiber compositions according to the invention with relativel...
|
|
WO/1997/020770A1 |
This invention provides a process for preparing a solvated isotropic pitch having a fluid temperature at least 40 �C lower than the same pitch in the non-solvated state. Additionally, the present invention provides a solvated isotropic...
|
|
WO/1997/019208A1 |
A method of encapsulating a material in a carbon nanotube comprising generating a vapor of the material to be encapsulated, generating a hydrogen arc discharge that discharges encapsulating products, and contacting the vapor of the mater...
|
|
WO/1997/019020A1 |
A method for preparing an amorphous carbon material for use as an electrode, such as the anode of an electrochemical cell. The amorphous carbon is fabricated in a one heating step process from multi-functional organic monomers. The mater...
|
|
WO/1997/010373A1 |
A method of manufacture of solid-walled hollow polymeric fibres comprises the steps of dissolving polymeric material in a suitable solvent liquid to form a dope solution (44), extruding the dope solution through an aperture in a spinnere...
|
|
WO/1997/009474A1 |
A precursor oil for the production of high-quality and high-performance carbon fibers which are freed from troubles such as fusion of monofilaments with each other, fluffing and yarn breaking in the flameproofing and carbonization steps,...
|
|
WO/1996/041745A1 |
This invention discloses a structure comprising carbon fibers oriented in a parallel array (20) and having high bulk density due to a low interfiber volume. When activated fibers are used, there is a resultant high activated site concent...
|
|
WO/1996/041043A1 |
A nanoscale carbide article consisting essentially of covalently bounded elements M1, M2, and C having the molar ratio M1:M2:C::1:y:x, wherein the article has an aspect ratio of between 10 and 1000 and has a shorter axis of between 1 and...
|
|
WO/1996/041044A1 |
The present invention provides a blow spinning die particularly suited for spinning solvated pitch into fibers having a random cross-sectional structure. Additionally, the present invention provides a process for blow spinning fibers fro...
|
|
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...
|
