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:
Jun. 04, 2024
Filed:
Jun. 12, 2020
Solventum Intellectual Properties Company, Maplewood, MN (US);
Petra L. Kohler Reidi, Minneapolis, MN (US);
Saurabh Batra, Minneapolis, MN (US);
Hannah C. Cohen, St. Paul, MN (US);
Semra Colak Atan, St. Louis Park, MN (US);
Naimul Karim, Maplewood, MN (US);
Joseph J. Stoffel, Hastings, MN (US);
Joseph A. Dunbar, Woodbury, MN (US);
Colby W. Dotseth, Baldwin, WI (US);
Solventum Intellectual Properties Company, Maplewood, MN (US);
Abstract
A method of making a nonwoven fiber web comprises: providing a melt-blown nonwoven fiber web comprising bonded primary fibers having an average fiber diameter of 2 to 100 microns, wherein the primary fibers comprise a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units; opening at least a portion of the melt-blown nonwoven fiber web to provide loose primary fibers; combining the loose primary fibers with secondary fibers; and forming a secondary nonwoven fiber web comprising the primary fibers and secondary fibers. A fiber web preparable according to the method and a multicomponent fiber including a first phase comprising a copolymer comprising divalent hydroxyethylene monomer units and divalent dihydroxybutylene monomer units and a second phase comprising a non-biodegradable polymer.