The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 25, 2025
Filed:
Dec. 12, 2022
Dsm Ip Assets B.v., Heerlen, NL;
Mark Kenneth Hazzard, Echt, NL;
Noel L. Davison, Echt, NL;
Mandy Maria Jozefina Wiermans, Echt, NL;
Nicolaes Hubertus Maria De Bont, Echt, NL;
Loes Heleen Pluymen, Echt, NL;
DSM IP ASSETS B.V., Maastricht, NL;
Abstract
Disclosed herein are composite sheets and prosthetic medical devices formed therefrom. In an embodiment, a composite sheet has a thickness of 25-250 μm and comprises 10-70 mass %, based on the total mass of the composite sheet, of a knit fabric having thickness of 15-225 μm and comprising strands of 2-50 dtex, the strands comprising biocompatible polymer fibers, the strands comprising biocompatible polymer fibers, wherein the fabric comprises a thickness in a plurality of first locations, and pores in a plurality of second locations; and 30-90 mass %, based on the total mass of the composite sheet, of a polyurethane coating, wherein the polyurethane coating coats the fabric and fills the pores of the fabric such that the composite sheet is substantially impermeable to water.