Use of fatty alcohols as plasticizer to improve the physical-mechanical properties and processability of phb and its co-polymers
CA 2575273 C · Owner: Do Nascimenti, Jefter Fernandes · Inventors: Silva Bizzarri, Pablo; Bueno De Almeida, Wanderson; Do Nascimenti, Jefter Fernandes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates a plasticized polymeric composition comprising (i) PHB with the pro~viso that the PHB and its co-polymers of PHB are produced by a bio-polymer extraction proc~ess, characterized by the fact that the concentrated cellular material, previously dried or not is mixed to an , adequate solvent, specifically superior alcohol preferably with a chain with , more than 3 carbon atoms or any other of its acetates, preferably the isoamyl alcohol, amyl acetate, isoamyl acetate or the fusel oil as described by the Brazilian Patent PI 9302312-0 published in 04/30/2002 (ii) a) Fatty alcohols of chain length from 6 to 30 carbon (C6-C30) with the proviso that the fatty alcohols …
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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 August 6, 2004 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 6, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 6, 2026.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.