Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Búsqueda avanzada de patentes | Historial web | Iniciar sesión

Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US399892111 Dic 197321 Dic 1976Bayer AktiengesellschaftProcess for production of polyester threads
US40269731 Ago 197531 May 1977Teijin LimitedProcess for preparing heat-resistant aromatic polyester filaments
US41348822 Jun 197716 Ene 1979E. I. Du Pont De Nemours and CompanyPoly(ethylene terephthalate)filaments
US415588910 Abr 197822 May 1979Eastman Kodak CompanyProcess for substantially increasing the flexibility of a polyester
US41560715 Jun 197822 May 1979E. I. Du Pont de Nemours and CompanyPoly(ethylene terephthalate) flat yarns and tows
US41950515 Oct 197825 Mar 1980E. I. Du Pont de Nemours and CompanyProcess for preparing new polyester filaments
US445142228 Abr 198229 May 1984Sekisui Jushi Kabushiki KaishaMethod for producing polyethylene terephthalate packing material
US450027822 Abr 198319 Feb 1985E. I. Du Pont de Nemours and CompanyYarn heat treatment apparatus
US463934716 Mar 198427 Ene 1987E. I. Du Pont de Nemours and CompanyProcess of making crimped, annealed polyester filaments
US470432917 Dic 19863 Nov 1987E. I. Du Pont de Nemours and CompanyAnnealed polyester filaments and a process for making them
US497003829 Nov 198813 Nov 1990BASF CorporationProcess of preparing polyester yarn
US506643927 Mar 199019 Nov 1991Unitika LimitedMethod of making polyester fibers
US52876343 Jun 199322 Feb 1994United States Surgical CorporationRemoval of vaporizable components from polymeric products
US529438926 Abr 199315 Mar 1994United States Surgical CorporationDynamic treatment of suture strand
US58715028 Abr 199616 Feb 1999Ethicon, Inc.Process for manufacturing a polypropylene monofilament suture