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. 28, 2023
Filed:
Oct. 06, 2020
Upm-kymmene Corporation, Helsinki, FI;
Kari Luukko, Espoo, FI;
Markus Nuopponen, Helsinki, FI;
Lauri Paasonen, Järvenpää, FI;
Mika Kosonen, Lappeenranta, FI;
Saara Laitinen, Helsinki, FI;
Lindsay Davies, Munich-Obersendling, DE;
Sami Valkonen, Kuopio, FI;
UPM-KYMMENE CORPORATION, Helsinki, FI;
Abstract
The present application relates to a method for preparing a medical product, the method comprising providing an aqueous dispersion of nanofibrillar cellulose, providing a nonwoven fabric, immersing the nonwoven fabric in the aqueous dispersion of nanofibrillar cellulose to form a coating on the nonwoven fabric, passing the immersed nonwoven fabric through a prefined gap to define the thickness of the coating on the immersed nonwoven fabric without pressing, and dewatering the immersed nonwoven fabric, to obtain the medical product. The present application also relates to a medical product comprising a supporting layer and an absorbent layer, wherein the supporting layer comprises a nonwoven fabric, and the absorbent layer comprises unpressed nanofibrillar cellulose having an average fibril diameter of 200 nm or less, wherein the absorbent layer is coating the supporting layer.