Expired Canadian patentCanada
Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers
CA 1262583 C · Owner: Neuray, Dieter · Inventors: Nouvertne, Werner; Neuray, Dieter; Paul, Winfried
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to Thermoplastic moulding compositions based on polysiloxane/polycarbonate block copolymers, elastomeric polymers and if appropriate, polyalkylene terephthalate.
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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 October 31, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 31, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 7, 1988
GrantedOctober 31, 1989
Term endedOctober 31, 2006
Patent numberCA 1262583 C
Classification (IPC)C08L83/10 +2 more
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.