Shaped articles for cross-linked fluorocarbon polymers
CA 1089596 A · Owner: Raychem Corporation · Inventors: Germeraad, Paul B.; Gotcher, Alan J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to shaped articles of crosslinked fluorocarbon polymers and to processes for their production. The shaped articles of the invention comprise a cross-linked fluorocarbon polymer whose melting point prior to cross-linking is at least 200°C, and the articles are characterized by an M100 value of at least 450 psi (31.5 kg/cm2) and a tensile strength of at least 3,000 psi (210 kg/cm2). The invention also provides a process for making such articles which comprises contacting a shaped article of the fluorocarbon polymer with a cross-linking agent and, irradiating the article containing adsorbed cross-linking agent. The shaped articles show an extremely useful combination of …
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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 November 11, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 11, 1997.
- 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.