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Class Information
Number: 423/447.8
Name: Chemistry of inorganic compounds > Carbon or compound thereof > Elemental carbon > Fiber, fabric, or textile > Controlling varying temperature or plural heating steps
Description: Processes wherein a carbonizing reaction is carried out by (1) varying the temperature over a given time span or by (2) heating to two or more distinct temperatures.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7524479 |
Method for producing vapor grown carbon fiber |
Apr. 28, 2009 |
| 7410630 |
Method and an installation for obtaining carbon bodies from carbon-precursor bodies |
Aug. 12, 2008 |
| 6967014 |
Method of obtaining a carbon fiber fabric by continuously carbonizing a cellulose fiber fabric |
Nov. 22, 2005 |
| 6713423 |
Method for reactivating activated carbon and activating carbon |
Mar. 30, 2004 |
| 6632849 |
Porous carbonized film and process for its production |
Oct. 14, 2003 |
| 6576212 |
Process for the production of carbonized material |
Jun. 10, 2003 |
| 6524501 |
Pitch fiber bundle and pitch type carbon fiber bundle and method for production thereof |
Feb. 25, 2003 |
| 6500401 |
Carbon foams and methods of making the same |
Dec. 31, 2002 |
| 6299850 |
Carbon activation process for increased surface accessibility in electrochemical capacitors |
Oct. 9, 2001 |
| 6261485 |
Pitch-based carbon foam and composites |
Jul. 17, 2001 |
| 6241923 |
Process for the production of carbon fibers |
Jun. 5, 2001 |
| 6171696 |
Method for producing carbon fiber, carbon fiber, prepreg, and molded article from fiber-reinforced composite material |
Jan. 9, 2001 |
| 6129868 |
Fast process for the production of fiber preforms |
Oct. 10, 2000 |
| 6123829 |
High temperature, low oxidation stabilization of pitch fibers |
Sep. 26, 2000 |
| 6113819 |
Three dimensional interpenetrating networks of macroscopic assemblages of oriented carbon fibrils and organic polymers |
Sep. 5, 2000 |
| 6103211 |
Carbon fibers, acrylic fibers, and production processes thereof |
Aug. 15, 2000 |
| 6077463 |
Process for producing graphite material for negative electrode used in lithium secondary battery |
Jun. 20, 2000 |
| 5853429 |
Method for converting multidimensional sheet structures consisting of polyacrylonitrile fibres into the thermally stabilized stage |
Dec. 29, 1998 |
| 5843393 |
Carbon electrode material for electrochemical cells and method of making same |
Dec. 1, 1998 |
| 5834114 |
Coated absorbent fibers |
Nov. 10, 1998 |
| 5763103 |
Biregional precursor fiber having an outer oxidation stabilized region and method of manufacture |
Jun. 9, 1998 |
| 5726105 |
Composite article |
Mar. 10, 1998 |
| 5622660 |
Process for producing carbon fiber fabrics |
Apr. 22, 1997 |
| 5531943 |
Method of making a carbon/metal composite |
Jul. 2, 1996 |
| 5510063 |
Method of making activated carbon honeycombs having varying adsorption capacities |
Apr. 23, 1996 |
| 5503783 |
Process of making a spring member |
Apr. 2, 1996 |
| 5407614 |
Process of making pitch-based carbon fibers |
Apr. 18, 1995 |
| 5364571 |
Method of making a composite material |
Nov. 15, 1994 |
| 5360500 |
Method of producing light-weight high-strength stiff panels |
Nov. 1, 1994 |
| 5356574 |
Process for producing pitch based activated carbon fibers and carbon fibers |
Oct. 18, 1994 |
| 5348719 |
Process for producing carbon fibers having high strand strength |
Sep. 20, 1994 |
| 5312611 |
Lithium secondary battery process for making carbonaceous material for a negative electrode of lithium secondary battery |
May. 17, 1994 |
| 5294383 |
Process of making shaped members length made from carbon-carbon composite materials |
Mar. 15, 1994 |
| 5292408 |
Pitch-based high-modulus carbon fibers and method of producing same |
Mar. 8, 1994 |
| 5283113 |
Process for producing carbon fiber felt |
Feb. 1, 1994 |
| 5269984 |
Process of making graphite fiber |
Dec. 14, 1993 |
| 5256344 |
Process of thermally stabilizing pan fibers |
Oct. 26, 1993 |
| 5254396 |
Carbon fiber structure and process for producing the same |
Oct. 19, 1993 |
| 5217657 |
Method of making carbon-carbon composites |
Jun. 8, 1993 |
| 5205888 |
Process for producing carbon fiber reinforced carbon materials |
Apr. 27, 1993 |
| 5193996 |
Method and system for producing carbon fibers |
Mar. 16, 1993 |
| 5192471 |
Process for preparing carbon/carbon composite |
Mar. 9, 1993 |
| 5186873 |
Process for preparing carbon/carbon composite |
Feb. 16, 1993 |
| 5181979 |
Process for preparing carbon/carbon composite |
Jan. 26, 1993 |
| RE34162 |
Controlled surface electrical resistance carbon fiber sheet product |
Jan. 19, 1993 |
| 5147588 |
Method of making carbon/carbon composite |
Sep. 15, 1992 |
| 5128074 |
Preparation of refractory materials |
Jul. 7, 1992 |
| 5061413 |
Process for producing pitch-based carbon fibers |
Oct. 29, 1991 |
| 5061414 |
Method of making carbon-carbon composites |
Oct. 29, 1991 |
| 5051216 |
Process for producing carbon fibers of high tenacity and modulus of elasticity |
Sep. 24, 1991 |
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