Polyetherimide-polysulfone blends
CA 1232390 A · Owner: General Electric Company · Inventors: Giles, Harold F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Disclosed are blends of (a) a polyetherimide and (b) a polysulfone. Such blends have good flexural and tensile properties and have a higher impact strength than those associated with the polyetherimide component of the blends. In addition, some of the blends are translucent or transparent and/or exhibit a single glass transition temperature. The polyetherimide and polysulfone blends find wide application as films and molding components and coatings for automobile and aviation applications.
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
- Granted February 2, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2005.
- 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.