Absorbent products, and apparatus and method for producing the same
CA 2271483 A1 · Owner: The Procter & Gamble Company · Inventors: Reiter, Godfrey; Burchnall, John Billings
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent core for use in an absorbent article for absorbing discharged bodily fluid comprises a first absorbent material (42) dispersed throughout the core (41), and a second absorbent material (43) provided in a discrete strip, and substantially surrounded by the first absorbent material. An apparatus and method for producing such cores (41) comprises a mold (12) therein, and a tubular conduit for the second material alignably positioned such that a portion of the conduit will pass through at least a portion of the mold (12) as the mold support (11) is advanced. The mold support (11) may comprise a forming drum or a forming belt. The tubular conduit has a distal end through …
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
- Filed November 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2019.
- 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.