Method of manufacturing stabilized fluffy batts of fibers and resulting product therefrom
CA 1048866 A · Owner: Johnson And Johnson · Inventors: Levesque, Yvon G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of Disclosure A method of manufacturing stabilized, fluffy batts of individualized fibers by treating the surfaces of dense batts of fibers with materials which will react with each other on contact or which can be caused to react with each other by subsequent treatment. The treated dense batt is comminuted or ground to individualize fibers and the fibers collected in the form of a fluffy batt. The materials react with each other on contact or the fluffy batt may thereafter be treated to cause the materials to react. The resulting product is a lightweight, fluffy batt of individualized fibers having reacted materials uniformly distributed throughout the batt to provide the batt …
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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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.