Dna clone of guayule rubber particle protein
CA 2065766 A1 · Owner: Arizona Board Of Regents · Inventors: Backhaus, Ralph A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Guayule rubber particles which have high, rubber transferase (RuT) activity contain several, characteristic proteins. The most abundant of these was purified by preparative gel, electrophoresis. Designated the rubber particle protein (RPP), it is present in all guayule lines studied to date. A cDNA clone having a base sequence for the abundant guayule RPP has been developed and characterized and the amino acid sequence of the RPP has been determined. 22
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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 April 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2014.
- 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.