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| US5403426 | 2 Sep 1993 | 4 Abr 1995 | Hercules Incorporated | Process of making cardable hydrophobic polypropylene fiber | | US5540953 | 1 Jun 1995 | 30 Jul 1996 | Hercules Incorporated | Process of preparing fabric comprising hydrophobic polyolefin fibers | | US5545481 | 11 Feb 1993 | 13 Ago 1996 | Hercules Incorporated | Polyolefin fiber | | US5721048 | 30 Mar 1994 | 24 Feb 1998 | Fiberco, Inc. | Cardable hydrophobic polyolefin fiber, material and method for preparation thereof | | USRE35621 | 7 Jun 1995 | 7 Oct 1997 | Hercules Incorporated | Cardable hydrophobic polypropylene fiber, material and method for preparation thereof |
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