Absorbent article
CA 1307923 C · Owner: Shiba, Daisuke · Inventors: Yamanoi, Akira; Shiba, Daisuke
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent article comprises as the surface material, a non-woven fabric containing 40 wt.% or more of a conjugate fiber made of a first polyester and a second polyester having a melting temperature of 50°C or more below that of said first polyester and a height of an endothermic peak of 5 % or more of that of the first polyester.
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
- Granted September 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 29, 2009.
- 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.