Thermoplastic polymer composition having thermosetting processing characteristics
CA 1290483 C · Owner: Shell Canada Limited · Inventors: Dewhirst, Kenneth C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a new thermoplastic polymer composition having the processing characteristics of a thermosetting polymer along with an improved balance of properties including improved modulus/glass transition temperature/toughness balance. These new polymer compositions are prepared by reacting certain amine compounds with certain diepoxide compounds to form linear units which are lightly crosslinked. Also disclosed and claimed are processes for preparing such compositions cured, compositions and end-use applications. The compositions of the present invention have particular application in the aerospace industry for manufacturing parts such as helicopter blades wings, 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
- Granted October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
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Timeline
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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.