Adhesive means for releasably fastening disposable diapers or other articles of apparel
CA 1285702 C · Owner: Kendall Company, The · Inventors: Takemoto, Shiro G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel adhesive system for releasably fastening or securing superposed portions of a disposable diaper or other articles comprising a sheet material carrying different adhesive layers on its respective surfaces, the adhesive layer on one side being characterized as having a high peel strength adapted for permanently securing the sheet material to a first portion of the diaper or other article of apparel the adhesive layer on, the other side comprising a pressure-sensitive adhesive having appreciably less peel strength and being adapted for releasably engaging an opposed portion of said article in order to secure the article on the person.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- 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.