Rapidly-crystallizing polyester compositions
CA 1338913 C · Owner: Mattiussi, Andrea · Inventors: Fiore, Leonardo; Mattiussi, Andrea; Borghi, Italo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Rapidly-crystallizing polyester compositions comprising a polyester thermoplastic resin and a styrene polymer having an essentially syndiotactic structure. The compositions according to the present invention can be used in order to produce a large number of finished articles by means of injection-moulding or of extrusion techniques; in particular car parts, electrical parts, and the like can be produced. Said compositions can be furthermore used as fibres films, sheets, and so on. The polyester compositions according to the present invention are characterized by a process of crystallization from the molten state which is complete within shorter times and at higher temperatures than of the …
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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
- Granted February 11, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 11, 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.