Liquid transport material
CA 2107169 A1 · Owner: Kimberly-Clark Worldwide, Inc. · Inventors: Mccormack, Ann Louise; Welchel, Debra Nell; Everhart, Cherie Hartman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a liquid transport material composed of a pulp fibers hydraulically needled into a nonwoven fibrous structure adapted to have a liquid transport value of at least 12 grams of liquid per gram of material over 30 minutes. The liquid transport material may contain up to about 50 percent by weight, short staple length fibers as well as effective amounts of various particulates. The liquid transport material may be used as a liquid transport component of an absorbent structure which may be part of, for example, a personal care product. Also disclosed is a process of making a liquid transport material utilizing hydraulic needling techniques.
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 September 28, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 28, 2015.
- 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.