Nonwovens incorporating fiberized feathers
CA 2237953 A1 · Owner: Kimberly-Clark Worldwide, Inc. · Inventors: Strack, David Craige; Jackson, David Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nonwoven composite having improved wet resiliency and insulative properties includes a thermoplastic nonwoven matrix and dispersed, within the matrix, fibers preferably including fiberized feathers. When the composite is used as an absorbent structure the fibers may include a mixture ofpulp fibers and fiberized feathers preferably chicken feathers. When the, composite is used as an insulative material the fibers may comprise fiberized, chicken feathers.
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 June 17, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 17, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 17, 2020.
- 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.