Oligomer mixtures derived from cyclopentene; method for the production and use thereof
CA 2275473 A1 · Owner: Schwab, Peter · Inventors: Schafer, Martin; Hohn, Arthur; Schwab, Peter
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 method for the production of cyclopenteneoligomer mixtures of formula (I), characterized in that a hydrocarbon mixture containing acyclic monoolefins from an oil refining cracking process (C5-cut) and cyclopentene are transformed in a homogenous or heterogeneous catalyzed metathesis reaction. The invention also relates to cyclopentene oligomers of formula (I) which can be obtained according to said method and the use , thereof.
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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 December 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 19, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2019.
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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.