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Class Information
Number: 264/182
Name: Plastic and nonmetallic article shaping or treating: processes > Forming continuous or indefinite length work > Shaping by extrusion > Into a liquid bath > Polyacrylonitrile containing extrudant
Description: Processes wherein the material being shaped is polyacrylonitrile containing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7273501 |
Fiber structure having high whiteness and high moisture-absorbing and releasing property, and method for production thereof |
Sep. 25, 2007 |
| 6821599 |
Porous acrylic fiber and fabric comprising the same, and method of producing the same |
Nov. 23, 2004 |
| 6770364 |
Artificial hair and method for production thereof |
Aug. 3, 2004 |
| 6740722 |
Low density acrylic fiber |
May. 25, 2004 |
| 6641915 |
Acrylonitrile-based fiber bundle for carbon fiber precursor and method for preparation thereof |
Nov. 4, 2003 |
| 6630558 |
Ion-sensitive hard water dispersible polymers and applications therefor |
Oct. 7, 2003 |
| 6524508 |
Process of making chitosan-containing acrylic fibers |
Feb. 25, 2003 |
| 6482344 |
Superabsorbent polymer fibers having improved absorption characteristics |
Nov. 19, 2002 |
| 6054214 |
Process for the preparation of carbon fiber |
Apr. 25, 2000 |
| 5989683 |
Wireless polymeric twist tie |
Nov. 23, 1999 |
| 5853879 |
High moisture-absorbing and releasing fibers and processes for their production |
Dec. 29, 1998 |
| 5840828 |
Polyimide fibers |
Nov. 24, 1998 |
| 5804108 |
Process for the preparation of carbon fiber |
Sep. 8, 1998 |
| 5766757 |
Basic gas absorptive fiber and production thereof |
Jun. 16, 1998 |
| 5746959 |
Manufacture of acrylic fiber |
May. 5, 1998 |
| 5674438 |
Process for preparation of metal carbide fibers |
Oct. 7, 1997 |
| 5616292 |
Process of making PAN fibers |
Apr. 1, 1997 |
| 5521275 |
Method for improving catalyst efficiency during polycarbonate redistribution |
May. 28, 1996 |
| 5496510 |
Acrylonitrile filament process |
Mar. 5, 1996 |
| 5364581 |
Process of making polyacrylonitrile fibers |
Nov. 15, 1994 |
| 5324466 |
Method for the production of multi-layered conjugated acrylic fibers |
Jun. 28, 1994 |
| 5304590 |
Acrylonitrile polymer compositions and articles and methods for their preparation |
Apr. 19, 1994 |
| 5299926 |
Spinning apparatus having a tubular elastomeric flow control valve body |
Apr. 5, 1994 |
| 5269984 |
Process of making graphite fiber |
Dec. 14, 1993 |
| 5252396 |
Reversibly color-changing shaped material and process for producing the same |
Oct. 12, 1993 |
| 5232647 |
Process of making bicomponent acrylic fibers having reversible crimp |
Aug. 3, 1993 |
| 5130065 |
Method of preparing polyacrylonitrile hollow threads with asymmetric pore structure |
Jul. 14, 1992 |
| 5078926 |
Rapid stabilization process for carbon fiber precursors |
Jan. 7, 1992 |
| 4997610 |
Process for producing filaments and fibers of acrylic polymers which contain carboxyl groups |
Mar. 5, 1991 |
| 4935180 |
Formation of melt-spun acrylic fibers possessing a highly uniform internal structure which are particularly suited for thermal conversion to quality carbon fibers |
Jun. 19, 1990 |
| 4933128 |
Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers |
Jun. 12, 1990 |
| 4931233 |
Method for adding additives during manufacture of carbon fiber |
Jun. 5, 1990 |
| 4925604 |
Process for preparing a carbon fiber of high strength |
May. 15, 1990 |
| 4921656 |
Formation of melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers |
May. 1, 1990 |
| 4917836 |
Process for producing high-strength, high-modulus carbon fibers |
Apr. 17, 1990 |
| 4913870 |
Process for preparing polyacrylonitrile filaments having high tensile strength and modulus |
Apr. 3, 1990 |
| 4913869 |
Wet-spinning processes for producing acrylic filaments |
Apr. 3, 1990 |
| 4904424 |
Ceramic alloys from colloidal metal alloy suspensions |
Feb. 27, 1990 |
| 4902452 |
Process for producing an acrylic fiber having high fiber characteristics |
Feb. 20, 1990 |
| 4898700 |
Process for producing preoxidized fibers from acrylic fibers |
Feb. 6, 1990 |
| 4883628 |
Method for preparing tenacity and modulus polyacrylonitrile fiber |
Nov. 28, 1989 |
| 4869856 |
Method for producing carbon fibers from acrylonitrile fiber strands |
Sep. 26, 1989 |
| 4826599 |
Composite membranes and their manufacture and use |
May. 2, 1989 |
| 4818458 |
Method of producing acrylic fibers |
Apr. 4, 1989 |
| 4812269 |
Process for producing hollow fiber semi-permeable membranes |
Mar. 14, 1989 |
| 4810449 |
Process for the production of hydrophilic polyacrylonitrile filaments or fibers |
Mar. 7, 1989 |
| 4749496 |
Process for removing impurities from mixtures of water with water-miscible solvents |
Jun. 7, 1988 |
| 4747987 |
Process for the production of filler-containing acrylic and modacrylic fibers |
May. 31, 1988 |
| 4719150 |
Monofils and bristles of homopolymers or copolymers of acrylonitrile, and a process for their manufacture |
Jan. 12, 1988 |
| 4716055 |
Conductive fiber and method of making same |
Dec. 29, 1987 |
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