Device and method for producing moulded bodies from thermoplastic polymers
CA 2474591 A1 · Owner: Richter, Konrad · Inventors: Richter, Konrad; Biffar, Werner; Klostermann, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for producing moulded bodies from thermoplastic polymers, starting from monomers that form polymers of this type, in a discontinuous method. Said device comprises a) at least one reactor that is suitable for producing a thermoplastic polymer melt in a discontinuous process starting from monomers that form a polymer of this type b) a network , of pipes that is suitable for circulating the thermoplastic polymer melt and c) at least one device that is suitable for producing moulded bodies from a thermoplastic polymer melt. According to the invention the reactor or , reactors according to a) is/are connected to the network of pipes according to b) and …
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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 February 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 4, 2025.
- 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.