Highly absorbent nonwoven fabric
Patent 4902564 Issued on February 20, 1990. Estimated Expiration Date: 
February 3, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 3, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesWoodpulp-polyester spunlaced fabrics Hydroentangled elastic and nonelastic filaments High strength hydroentangled nonwoven fabric Patent #: 4808467 InventorsAssigneeApplicationNo. 151913 filed on 02/03/1988US Classes:442/408, Hydroentangled nonwoven fabric28/104, By fluid jet needling or perforating28/105, Through backing and support members442/416Containing polymeric and natural strand or fiber materialsExaminersPrimary: McCamish, Marion E.Attorney, Agent or FirmInternational ClassB32B 005/06AbstractA strong, highly absorbent hard finished nonwoven toweling fabric consisting of wood pulp and textile fibers free from added binders is prepared by forming a wet-laid web of a blend of fibers containing 50 to 75 weight percent wood pulp and 25 to 50 weight percent staple length synthetic fibers and subjecting the fibers in the wet-laid web to hydroentanglement. The fabric may be apertured or essentially nonapertured and may be made water repellant. The fabric may be used in medical and surgical application, household cloths, food service wipes, industrial machinery wipes and the like. | |
