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| US3963678 | 17 Jun 1974 | 15 Jun 1976 | E. I. Du Pont de Nemours and Company | Large denier polyethylene terephthalate monofilaments having good transverse properties |
| US3975488 | 19 Abr 1974 | 17 Ago 1976 | Fiber Industries, Inc. | Process for preparing poly(tetramethylene terephthalate) yarn |
| US3987136 | 12 Nov 1973 | 19 Oct 1976 | Barmag Barmer Maschinenfabrik Aktiengesellschaft | Process for the production of a synthetic fiber cord |
| US4003974 | 4 Abr 1975 | 18 Ene 1977 | E. I. Du Pont de Nemours and Company | Continuous spin-drawing process for preparing polyethylene terephthalate yarns |
| US4045534 | 28 Oct 1975 | 30 Ago 1977 | Allied Chemical Corporation | Process for melt-spinning synthetic fibers |
| US4070432 | 6 Jul 1976 | 24 Ene 1978 | Allied Chemical Corporation | Production of low shrink polyester fiber |
| US4101525 | 26 Oct 1976 | 18 Jul 1978 | Celanese Corporation | Polyester yarn of high strength possessing an unusually stable internal structure |
| US4113821 | 1 Sep 1977 | 12 Sep 1978 | Allied Chemical Corporation | Process for preparing high strength polyamide and polyester filamentary yarn |
| US4123492 | 22 May 1975 | 31 Oct 1978 | Monsanto Company | Nylon 66 spinning process |
| US4195052 | 26 Oct 1976 | 25 Mar 1980 | Celanese Corporation | Production of improved polyester filaments of high strength possessing an unusually stable internal structure |
| US4195161 | 22 Mar 1978 | 25 Mar 1980 | Celanese Corporation | Polyester fiber |
| US4247505 | 5 May 1978 | 27 Ene 1981 | Phillips Petroleum Company | Melt spinning of polymers |
| US4374797 | 9 Jul 1981 | 22 Feb 1983 | Davy McKee Aktiengesellschaft | Process for the production of high strength yarns by spin-stretching and yarns produced by the process, especially from polyamide-6 and polyester filaments |
| US4461740 | 6 Jun 1983 | 24 Jul 1984 | Davy McKee A.G. | Process for spin-stretching of high strength technical yarns |
| US4486483 | 11 Jul 1983 | 4 Dic 1984 | American Hoechst Corporation | Polyester film primed with organic acid salts |
| US4554200 | 24 Sep 1984 | 19 Nov 1985 | American Hoechst Corporation | Polyester film primed with organic acid salts |
| US4851172 | 13 Oct 1988 | 25 Jul 1989 | Allied-Signal Inc. | Process for high speed, multi-end polyester high performance tire and industrial yarn |
| US5266254 | 16 Sep 1991 | 30 Nov 1993 | Rhone-Poulenc Viscosuisse SA | Process for the high-speed spinning of monofilaments |
| US5431999 | 27 Abr 1993 | 11 Jul 1995 | Rhone-Poulenc Viscosuisse S.A. | Polyester monofilaments |
| US6115893 | 7 Abr 1999 | 12 Sep 2000 | Rhodia Filtec AG | Process and device for producing industrial polyester yarn |
