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Class 264/29.4 - From cellulosic material


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes wherein the article carbonized includes cellulosic
No. of patents: 64
Last issue date: 04/10/2012


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NumberTitleIssue Date
8153038Type of wood section material and its manufacturing method
The present invention relates to a type of wood section material manufacturing method, especially with respect to soft wood section material and its manufacturing method. It belongs to wood processing field. This invention is achieved by the following technical plan...
04/10/2012
7368191Electrode array for use in electrochemical cells
The invention features an electrode array (7) in which pairs of electrodes (1) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each other. Rather, the broadest facing surfaces of the electrod...
05/06/2008
7264878Laminated carbon foam sandwich for naval decking
A laminate sandwich structure useful for, inter alia, decking for naval vessels, which includes a core formed of carbon foam having a ratio of compressive strength to density of at least about 7000 psi/g/cc. ...
09/04/2007
7206189Composite electrode and current collectors and processes for making the same
Composite electrode/current collectors for capacitors, e.g., a flow-through capacitor or electric double layer capacitor are disclosed. Also disclosed are methods for making a composite electrode/current collectors and capacitors having at least one composite electr...
04/17/2007
7160622Oil repelling agent
An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent c...
01/09/2007
7144558Wood gasification apparatus
A wood gasification apparatus in which cellulosic material is transported by an auger through a housing and heated to vaporize at least a portion of the cellulosic material by frictional heating. The auger and housing define a spiral void through which the cellulosi...
12/05/2006
7144932Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation
A synthetic resin composition includes at least one synthetic resin and RBC or CRBC particles dispersed in the resin. A method for preparing a synthetic resin composition includes mixing RBC or CRBC particles with a synthetic resin at a temperature near the melting ...
12/05/2006
7140778Synthetic resin composites and bearings formed therefrom and method
A resin composite for use in the manufacture of slide bearings is formed of a resin and fine particles of RBC or CRBC dispersed in the resin. The resin composite can be molded into slide bearings. ...
11/28/2006
7008196Electrically motorized pump having a submersible sleeve bearing
The electrically motorized pump has a low energy loss because it uses of the shaft and the sleeve made from synthetic resin composition obtained by uniformly dispersing fine powder of RBC or CRBC in a resin. The typical process for the production of a synthetic resi...
03/07/2006
6967014Method of obtaining a carbon fiber fabric by continuously carbonizing a cellulose fiber fabric
The carbonization of cellulose fiber fabric comprises an initial stage of heat treatment up to 250° C. to 350° C., with a relatively high mean temperature rise speed of 10° C./min to 60° C./min, an intermediate stage up to 350° C. to 500° C. with a lower mean ...
11/22/2005
6881512Separator for fuel cell, process for production thereof, and solid polymer type fuel cell using said separator
A separator for fuel cell, formed using a base material obtained from a composition comprising at least a binder, a powdery carbon filler having an average particle diameter of 10 nm to 100 μm, and a short fiber having an average fiber length of 0.03 to 6 mm, in wh...
04/19/2005
6787075Method of making synthetic resin composition with lubricative underwater properties containing RBC or CRBC fine powder
A method of making a low friction bearing for use when immersed in a liquid particularly water is provided comprising a synthetic resin composition which includes powders of a rice bran ceramic, carbon rice bran ceramic or both which are uniformly dispersed in a syn...
09/07/2004
6682667Method for producing self-supporting activated carbon structures
A method for producing self-supporting activated carbon structures is disclosed. The method comprises the steps of mixing a granular activated carbon, a binder material, a carbonization agent, and a liquid to produce a semi-plastic mixture; compacting the...
01/27/2004
6573215Material for bearing rolling element
A porous material suitable for use in a bearing rolling element. The porous material is obtained by a process which includes mixing degreased bran derived from rice bran with a thermosetting resin before kneading, subjecting a kneaded mixture to a primary...
06/03/2003
6395677Material for bearing retainer
There is provided a porous material suitable for use in a bearing retainer, having such properties as a small contraction ratio of the dimensions of a formed workpiece to those of a finished product, excellent hot oil resistance, small contraction change,...
05/28/2002
6245385Method for making shaped carbides of cohesively intertangled single fibers
Cellulosic single fibers such as cotton is prepared without any resins or pitches to a mass or bulk such as a lap which is self-shaped and retains its form by a force of cohesive intertanglement of fibers. The mass as prepared is heated for carbonization ...
06/12/2001
6136408Surface treatment for wood materials including oriented strand board
Oriented strand board is post-fabrication treated with a polymeric coating which includes isocyanate constituents to produce a construction material which is smooth, has high gloss, and which is resistant to water, vapor, and chemical penetration. The iso...
10/24/2000
6013207Method for making shaped carbides of cohesively intertangled single fibers
Cellulosic single fibers such as cotton are prepared without any resins or pitches to a mass or bulk such as a lap which is self-shaped and retains its form by a force of cohesive intertanglement of fibers. The mass as prepared is heated for carbonization...
01/11/2000
6013208Manufacturing method for carbon material for electrical double layer capacitor
A carbonaceous material for an electrical double layer capacitor is produced by performing a halogenation treatment step wherein a halogenated dry-distilled charcoal is obtained by bringing a dry-distilled charcoal into contact with a halogen gas; a moldi...
01/11/2000
5989464Process for producing vitreous carbon-active carbon composite material
The present invention provides a vitreous carbon-active carbon composite material wherein the vitreous carbon is derived from a polycarbodiimide resin; a process for producing the above vitreous carbon-active carbon composite material by firing a mixture ...
11/23/1999
5962135Carbon/carbon friction material
This invention describes the infiltration methods used to incorporate ceramic additives in carbon/carbon brake disc preforms. Aqueous vacuum infiltration techniques were employed. Both methods were effective in achieving homogeneous dispersion of ceramic ...
10/05/1999
5948329Manufacturing method for carbon material for electrical double layer capacitor
It is possible to obtain at high yield a carbonaceous material suitable for carbon electrodes of electrical double layer capacitors and having superior capacitance by means of a method comprising a halogenation treatment step wherein a halogenated dry-dis...
09/07/1999
5895716Wet friction materials, methods of making them, and apparatus containing the same
This invention relates to carbon--carbon (C--C) composite comprising carbon fibers or carbon fabric, carbon char on the carbon fiber or fabric and pyrolytic carbon on the carbon char, wherein the density of the carbon composite is at least 1.3 g/cc. The i...
04/20/1999
5776384Method for making carbon super capacitor electrode materials
A method for making near-net-shape, monolithic carbon electrodes for energy storage devices. The method includes the controlled pyrolysis and activation of a pressed shape of methyl cellulose powder with pyrolysis being carried out in two stages; pre-oxid...
07/07/1998
5730916Process for manufacturing essentially carbon filler or distributing body for flowing liquids
Process for manufacturing filler and distributing bodies essentially or carbon for process technology, in which ground cereal products are used as dry raw material and preferably water or aqueous synthetic resin preparations are used as binders. Dry mater...
03/24/1998
5726105Composite article
The graphitized composite article of the present invention is formed by embedding carbon fiber felt in a matrix of a carbon filler; a thermosetting resin and a solvent; curing the composite article; then, carbonizing and graphitizing the cured composite a...
03/10/1998
5569417Thermoplastic compositions comprising filled, B-staged pitch
Filled thermoplastic pitch comprising particulate filler and advanced mesophase pitch having a TMA deformation temperature of at least 400° C., and a method for the manufacture thereof. The filled thermoplastic pitch may be shaped and densified in one or...
10/29/1996
5543096Method for producing activated carbon bodies having silicone resin binder
An activated carbon body and method for making the body which involves forming a wet mixture of in percent by weight based on activated carbon, about 2% to 10% organic binder which can be cellulose ethers, and/or their derivatives, 0 to about 4% of polyvi...
08/06/1996
5534292Method for producing and curing hydraulic material
A process for producing and curing hydraulic material to reduce its hydrophilic characteristics and increase its strength. By preventing water loss and by adding water, efflorescence is controlled and the number of and size of voids created by water evapo...
07/09/1996
5486379Method of manufacturing a part made of composite material comprising fiber reinforcement consolidated by a liquid process
A fiber preform constituting the fiber reinforcement of the part to be made is itself made by shaping and consolidating a fiber fabric by a liquid process. An interphase layer between the fibers and the matrix is formed on the consolidated preform prior t...
01/23/1996
5376407Bendable carbon - carbon composite
This invention discloses a method for subjecting a carbon/carbon composite material to strain at high temperature which permits the resulting composite material to be formed into various shapes....
12/27/1994
5290491Process for the manufacture of a thermostructural composite material having a carbon interphase between its reinforcement fibers and its matrix
The thermostructural composite material is produced by forming a fibrous preform made from refractory fibers coated with a sizing agent. The preform is densified by a refractory matrix, in particular ceramic, while a carbon interphase is provided between ...
03/01/1994
5227238Carbon fiber chopped strands and method of production thereof
A carbon fiber chopped strands suitable for use in production of a composite with a matrix material, which have a circular or elliptical cross-section, wherein carbon fiber filaments are bundled by a sizing agent in an amount of from 1 to 10% by weight ba...
07/13/1993
5093051Process for making cellulose-containing products
A fusion bonded fiber product is made by compressing between heated dies a mat of moisture-containing fibers of the type that change irreversibly to an amorphous nonglassy state that permits fiber-to-fiber bonding at a characteristic critical temperature....
03/03/1992
5059578Process for the production of molecular sieving carbon
A molecular sieving carbon characterized by (A) having a structure in which a number of spherical carbonaceous particles having a particle diameter of 0.8 to 120 micrometers overlap and coalesce three-dimensionally at random, (B) in which continuous pathw...
10/22/1991
5002904Process for producing shaped refractory products
Shaped refractory products, particularly in the form of hollow spheres, and a process for their formation. The process involves dispersing particles of silica or a metal oxide, e.g. Al2 O3, in an organic polymer, shaping the dispersi...
03/26/1991
4994216Process of making carbon-bonded refractory shaped articles
A process of making carbon-bonded refractory shapes by preparing a mix of refractory materials, pitch or tar and a binder resin, molding the mix into shapes and hardening the shapes. A starting mix is used which, based on the added quantity by weight of p...
02/19/1991
4985184Production of carbonaceous powders and their granulation
Manufacture of granulated self-sintering carbonaceous pulverulent body suitable for precise complicated molding in high speed productivity is conducted in the presence of a wetting agent and a binding agent in the water-pulverulent mixture by using spray ...
01/15/1991
4983573Process for making 90° K. superconductors by impregnating cellulosic article with precursor solution
There is disclosed an improved process for preparing a superconducting composition having the formula MBa2 Cu3 Ox wherein M is selected from the group consisting of Y, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tn, Yb and Lu; x is from a...
01/08/1991
4933125Process for making cellulose-containing products
A fusion bonded fiber product is made by compressing between heated dies a mat of moisture-containing fibers of the type that change irreversibly to an amorphous nonglossy state that permits fiber-to-fiber bonding at a characteristic critical temperature....
06/12/1990
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