Blends of polyetherimide and rubber modified vinyl aromatic polymers
CA 1195029 A · Owner: General Electric Company · Inventors: White, Dwain M.; Giles, Harold F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are blends of (a) a polyetherimide and (b) a rubber modified vinyl aromatic polymer. Depending upon the particular rubber modified vinyl aromatic polymer used in preparing the blends one, or more of the properties of impact strength heat, distortion temperature, flexural properties and tensile properties of the blends are improved over those associated with the polyetherimide component alone or with the rubber modified vinyl aromatic polymer alone.
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 October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
- 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.