Absorbent laminates
CA 1263224 C · Owner: Johnson & Johnson · Inventors: Brassington, Nigel J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Absorbent laminates which may be used as or in, diapers,incontinence pads sanitary napkins, tampons or, wound dressings comprise a hydrophilic layer (1), adjacent a water-permeable fibrous web (3). Fluidtransporting wicks extend from within the fibrous web into the hydrophilic layer, and are preferably formed by needling. The hydrophilic layer is preferably a peat moss composite board, and the fibrous web is preferably a nonwoven polyester fleece.
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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- 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.