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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 265
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
4032430 Process for producing carbon fibers from mesophase pitch Jun. 28, 1977
4014725 Method of making carbon cloth from pitch based fiber Mar. 29, 1977
4011293 Toughened linear aromatic polymers Mar. 8, 1977
4009305 Process for the surface treatment of carbon fibers Feb. 22, 1977
4001382 Process for producing carbon fibers having excellent physical properties Jan. 4, 1977
3993719 Process for producing carbon fibers Nov. 23, 1976
3989802 Treatment of carbon fibers Nov. 2, 1976
3988426 Method for producing carbon fibers Oct. 26, 1976
3985578 Tailored-carbon substrate for fuel cell electrodes Oct. 12, 1976
3975482 Process for drawing acrylic fibrous materials to form a product which particularly is suited for thermal stabilization and carbonization Aug. 17, 1976
3964952 Method of manufacture of composite materials consisting of carbon fibers and resin and materials manufactured in accordance with said method Jun. 22, 1976
3960768 Production of carbon by eliminating hydrogen halide from polymerized halohydrocarbons Jun. 1, 1976
3933722 Meet extrudable polyacetylene copolymer blends Jan. 20, 1976
3931392 Enhancement of ultimate tensile strength of carbon fibers Jan. 6, 1976

1 2 3 4 5 6 7 8 9 10 11


 
 
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