Superabsorbent flocks, methods suitable for their production and application
CA 1308240 C · Owner: Hanfspinnerei Steen & Co. Gmbh · Inventors: Beckert, Wolfgang; Knack, Ingo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Superabsorbent Flocks, Methods Suitable for their Production and Application, The invention relates to superabsorbent fibre flocks comprising a core of absorptive polymer wherein short polymer fibres have been embedded, such short polymer fibres protruding at least partially from the core. Such superabsorbent fibre flocks can be produced by binding absorbent polymer particles to each other and to the polymer fibres with the said of a bonding agent and by grinding the fibre flocks thus obtained to the required particulate size. The superabsorbent fibre flocks according to the invention can be used to advantage in sanitary products especially in baby, diapers, menstrual pads and incontinence …
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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 October 6, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 6, 2009.
- 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.