Fluorocarbon grafting of polymeric substrates
CA 1237264 A · Owner: Baxter Tavenol Laboratories, Inc. · Inventors: Mayhan, Kenneth G.; Drake, Roger F.; Janssen, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A process for modifying the surface of a preformed polymeric substrate to impart lubricity and other desired properties thereto, without at the same time significantly altering the bulk properties of the substrate by epoxidizing the substrate's surface and reacting the epoxide groups so formed with a fluorocarbon capable of cleaving the epoxide rings and covalently bonding thereto. The article so formed is also disclosed.
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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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.