Highly branched oligomers, process for their preparation and applications thereof
CA 2347200 A1 · Owner: Epox Ltd. · Inventors: Moshinsky, Leonid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a highly branched polyamide oligomer of general formula (1) as defined in the description to the process for , preparing such branched oligomers and to different uses thereof. As well known to the man skilled in the art, the implementations and efficacy of the different polyamide oligomers may vary depending on their structure and , valency (reactive groups composition). Polyamide oligomers may be used for , example, as epoxy hardeners in the preparation of thermosetting compositions as thermoplastic hot melt adhesives, as adhesion promoters and many other suitable applications. The highly branched oligomers disclosed have been shown to be highly …
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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
- Filed October 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2021.
- 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.