Fibrous media containing millimicron sized particulates
CA 1201072 A · Owner: Amf Incorporated · Inventors: Hou, Kenneth C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
45-, Fibrous Media Containing Millimicron-Sized Particulates Abstract, A self supporting fibrous matrix containing immobilized therein at least about 5% by weight of microparticulate, with an average diameter less than 1 micron preferably fumed silica, or alumina, and flocculating amounts of an organic polycationic resin and an organic polyanionic resin, is useful for fluid treatment and filtration processes, especially delipidization and depyrogenation of fluids such as serum.
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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 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 25, 2003.
- 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.