Biodegradable aliphatic-aromatic polyesters
CA 2601181 C · Owner: Tosin, Maurizio · Inventors: Floridi, Giovanni; Cella, Gian Domenico; Scaffidi Lallaro, Andrea
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Biodegradable aliphatic/aromatic copolyester comprising 50 to 60 mol% of an aromatic dicarboxylic acid and 40 to 50 mol% of an aliphatic acid at least , 90% of which is a long-chain dicarboxylic acid (LCDA) of natural origin selected from azelaic acid, sebacic acid brassylic acid or mixtures thereof ; , and a diol component.
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 March 17, 2006 and granted July 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 17, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.