Thin, flexible sanitary napkin
CA 1317701 C · Owner: The Procter & Gamble Company · Inventors: Osborn, Thomas Ward Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In accordance with the present invention a sanitary napkin, having a body surface and a garment surface and being comprised of an absorbent means undelayed by a liquid barrier means wherein the sanitary napkin is relatively highly flexible and has a capacity great enough to handle medium to high menstrual flows is provided. In a preferred embodiment the sanitary napkin, comprises, from the body surface down an apertured formed film, topsheet, an apertured nonwoven wipe acquisition sheet a, wet-laid tissue, a superabsorbent core and a barrier sheet. Preferably, the central width of the absorbents is at least about 6.5 centimeters and the caliper of the napkin as a whole is less than about …
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 May 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 2010.
- 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.