Absorbent article and process of making same
CA 1182952 A · Owner: Colgate-Palmolive Company · Inventors: Stima, Joseph F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent article comprising a cover sheet and a backing sheet, the cover and backing sheets being attached in areas without the use of water-insoluble adhesives to form pockets in which a fluid absorbent material is stored. The absorbent article is formed by depositing portions of the fluid absorbent material on the backing sheet placing the cover, sheet over the absorbent material and the backing sheet and, pressing the cover sheet towards the exposed parts of the backing sheet to cause bonding of the fibers in each sheet and attaching the cover sheet to the backing sheet to form pockets in which the absorbent material is stored.
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 February 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 2002.
- 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.