Monolithic belts with ethylene-.alpha.-olefin copolymers
CA 2449385 A1 · Owner: Habasit Ag · Inventors: Toggenburger, Willi; Vogt, Juerg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to monolithic belts (i.e. without a material insert) especially monolithic conveyer belts and drive belts consisting of a , thermoplastic material containing a copolymer having a weight average Mw to number average Mn ratio of between 5.0: 1 and 1.5: 1. Said belts exhibit increased creep resistance while having significantly reduced material costs. The copolymer can especially be produced by means of a metallocene single-site catalyst.
Read the whole patent
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
- Filed June 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2024.
- 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.