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. 16, 2026
Filed:
Jan. 07, 2021
Advanced Medical Solutions Limited, Winsford, GB;
Colin Raymond Bradford, Keighley, GB;
Michael David Perkins, Macclesfield, GB;
Benjamin Alexander Harrison, Sandbach, GB;
Wayne Lee Bonnefin, Chester, GB;
Ander Bugedo Albizuri, Chester, GB;
Advanced Medical Solutions Limited, Winsford, GB;
Abstract
Described is a method of manufacturing carboxymethyl cellulose (CMC) fibres containing an antimicrobial, the fibres being suitable for use in the preparation of wound dressings, wherein the antimicrobial is selected from the group consisting of a biguanide, a biguanide derivative, octenidine, taurolidine, and a combination of two or more thereof, the method comprising, submerging CMC fibres comprising at least 95 wt % carboxymethylcellulose on a dry weight basis in a treatment solution for a duration adequate to provide the CMC fibres containing an antimicrobial, the treatment solution comprising the antimicrobial and at least 70 wt % of a water-miscible organic solvent selected from C-Calkanols, C-Cketones, and a combination of two or more thereof. Anti-microbial CMC fibres obtained by the methods and wound dressings containing such fibres are also described.