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.

Date of Patent:
Mar. 29, 2022

Filed:

Mar. 02, 2020
Applicant:

Convatec Technologies Inc., Las Vegas, NV (US);

Inventors:

Wayne Lee Bonnefin, Flintshire, GB;

Lucy Louisa Ballamy, Flintshire, GB;

Sarah Wroe, Flintshire, GB;

David Parsons, Flintshire, GB;

Garry Storey, Flintshire, GB;

Joseph Thompson, Flintshire, GB;

Assignee:

CONVATEC TECHNOLOGIES, INC., Las Vegas, NV (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/00 (2006.01); D06B 1/00 (2006.01); D01F 2/24 (2006.01); D21H 13/02 (2006.01); D01G 15/00 (2006.01); B65B 55/02 (2006.01); A61L 15/28 (2006.01); D04H 1/46 (2012.01); D06M 13/278 (2006.01); A61L 15/42 (2006.01); D06M 13/21 (2006.01); D06M 11/38 (2006.01); D04H 1/4258 (2012.01); A61F 13/02 (2006.01); D06M 101/06 (2006.01);
U.S. Cl.
CPC ...
D06B 1/00 (2013.01); A61F 13/00012 (2013.01); A61F 13/00063 (2013.01); A61F 13/0276 (2013.01); A61L 15/28 (2013.01); A61L 15/42 (2013.01); B65B 55/02 (2013.01); D01F 2/24 (2013.01); D01G 15/00 (2013.01); D04H 1/4258 (2013.01); D04H 1/46 (2013.01); D06M 11/38 (2013.01); D06M 13/21 (2013.01); D06M 13/278 (2013.01); D21H 13/02 (2013.01); A61F 2013/0091 (2013.01); A61F 2013/00936 (2013.01); D06M 2101/06 (2013.01);
Abstract

A chemically modified cellulosic fibre or filament having a moisture content of at least 7% by weight obtained by a process comprising the steps of (i) obtaining cellulosic fibres or filament and chemically modifying the cellulose by substitution to increase its absorbency; (ii) washing the fibres after step (i) in a mixture comprising water and up to 99% by weight of water-miscible organic solvent; (iii) drying the fibres to a moisture content of at least 7% by weight.


Find Patent Forward Citations

Loading…