Non-rewetting multi-fiber hand towel and methods of making same
CA 2463886 A1 · Owner: Kimberly-Clark Worldwide, Inc. · Inventors: Smith, Susan Elaine; Ross, Russell Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent multilayered web includes a top surface layer with the top , surface layer including first and second fibers wherein the first fibers are , hydrophilic and the second fibers are hydrophobic and further wherein the , first and said second fibers are substantially uniformly distributed on the top surface layer, and at least one additional layer. A method of making an absorbent multi-layered web includes the steps of providing hydrophilic fibers; providing hydrophobic fibers; forming a first web layer of substantially uniformly distributed hydrophilic and hydrophobic fibers; creating at least a second web layer; and joining said first layer with said second layer.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2024.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.