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Class Information
Number: 423/447.1
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Elemental carbon > Fiber, fabric, or textile
Description: Products and processes ... wherein the product is substantially pure carbon in the form of a slender threadlike structure (fiber) a woven, knitted or fetted sheet material (fabric) or a woven fabric or cloth (textile).


Sub-classes under this class:

Class Number Class Name Patents
423/447.9 Carbonizing cellulosic material 29
423/447.8 Controlling varying temperature or plural heating steps 86
423/447.3 From gaseous reactants 266
423/447.7 In specific atmosphere (other than vacuum or air) 113
423/447.6 Including reaction with gaseous oxygen 190
423/447.4 Prior treatment before carbonization (except with gaseous oxygen) 263
423/447.2 Product 375


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
6479030 Carbon electrode material Nov. 12, 2002
6464950 Method for separating and treating exhaust gas of carbon fiber Oct. 15, 2002
6455160 High purity C/C composite and manufacturing method thereof Sep. 24, 2002
6444187 Process for producing chopped carbon fibers Sep. 3, 2002
6440521 Method for transferring heat in an aircraft engine thrust reverser Aug. 27, 2002
6440610 Negative active material for lithium secondary battery and manufacturing method of same Aug. 27, 2002
6428892 Carbon fibers, acrylic fibers and process for producing the acrylic fibers Aug. 6, 2002
6375875 Diagnostic monitor for carbon fiber processing Apr. 23, 2002
6372192 Carbon fiber manufacturing via plasma technology Apr. 16, 2002
6358878 Carbon fibril-forming metal catalysts Mar. 19, 2002
6333016 Method of producing carbon nanotubes Dec. 25, 2001
6331224 Method for manufacturing carbon sheet Dec. 18, 2001
6331262 Method of solubilizing shortened single-walled carbon nanotubes in organic solutions Dec. 18, 2001
6303094 Process for producing carbon nanotubes, process for producing carbon nanotube film, and structure provided with carbon nanotube film Oct. 16, 2001
6299850 Carbon activation process for increased surface accessibility in electrochemical capacitors Oct. 9, 2001
6294252 Precursor fiber bundle for production of a carbon fiber bundle, a process for producing the precursor fiber bundle, a carbon fiber bundle, and a process for producing the carbon fiber bundle Sep. 25, 2001
6235674 Carbon fibrils, methods for producing same and adhesive compositions containing same May. 22, 2001
6221489 Carbonaceous fiber acute-angled at both ends and production process therefor Apr. 24, 2001
6221490 Carbon fibers, acrylic fibers and process for producing the acrylic fibers Apr. 24, 2001
6194344 Process for preparing carbonaceous material carrying ultrafinely dispersed metal Feb. 27, 2001
6194071 Carbon fiber ball and a process for manufacturing the same Feb. 27, 2001
6187434 Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereof Feb. 13, 2001
6156287 Method for preparing pan-based activated carbon fabrics Dec. 5, 2000
6145248 Sports playing surfaces with biodegradable backings Nov. 14, 2000
6123829 High temperature, low oxidation stabilization of pitch fibers Sep. 26, 2000
6120894 Short carbon fiber bundling mass, process for producing the same and fiber-reinforced resin composition Sep. 19, 2000
6110847 Carbon fiber woven fabric Aug. 29, 2000
6103211 Carbon fibers, acrylic fibers, and production processes thereof Aug. 15, 2000
6099965 Rigid porous carbon structures, methods of making, methods of using and products containing same Aug. 8, 2000
6090363 Method of opening and filling carbon nanotubes Jul. 18, 2000
6071613 Fiber reinforced cementitious materials with improved toughness and ductility Jun. 6, 2000
6066395 Chopped carbon fibers and a production process there of May. 23, 2000
6042801 Method for baking or calcination of shaped carbon bodies in a furnace Mar. 28, 2000
6040051 Carbon fibers and process for their production, and fiber-reinforced resin composition employing them Mar. 21, 2000
6031711 Graphitic nanofibers in electrochemical capacitors Feb. 29, 2000
5985446 Acetylenic carbon allotrope Nov. 16, 1999
5965470 Composites containing surface treated carbon microfibers Oct. 12, 1999
5951959 Mesophase pitch-based carbon fiber for use in negative electrode of secondary battery and process for producing the same Sep. 14, 1999
5932185 Method for making thin carbon foam electrodes Aug. 3, 1999
5902562 Method for the preparation of high surface area high permeability carbons May. 11, 1999
5895716 Wet friction materials, methods of making them, and apparatus containing the same Apr. 20, 1999
5888928 Process for producing activated carbon fiber molding and activated carbon fiber molding Mar. 30, 1999
5877110 Carbon fibrils Mar. 2, 1999
5858530 Flexible ignition resistant biregional fiber, articles made from biregional fibers, and method of manufacture Jan. 12, 1999
5837644 Surface hydrophobic active carbon and method for production thereof Nov. 17, 1998
5763103 Biregional precursor fiber having an outer oxidation stabilized region and method of manufacture Jun. 9, 1998
5747161 Graphite filaments having tubular structure and method of forming the same May. 5, 1998
5741588 Carbon fibers for enhancing the electrical conductivity of a product Apr. 21, 1998
5733484 Method for manufacturing carbon preform and carbon/carbon composite material Mar. 31, 1998
5730949 Direct process route to organometallic containing pitches for spinning into pitch carbon fibers Mar. 24, 1998

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