Rubber-reinforced styrenic polymer resins exhibiting increased elongation
CA 1254320 A · Owner: The Dow Chemical Company · Inventors: D'Hont, Yvan R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The elongation of a rubber-reinforced styrenic polymer is increased by the addition of a small amount of an aliphatic diester such as dioctyl adipate to the rubber-reinforced styrenic polymer. The unexpected increase in elongation is particularly noticable at higher pulling speeds.
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 May 16, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 16, 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.
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.