Flame resistant polyolefins
CA 1049181 A · Owner: Union Carbide Canada Limited · Inventors: Gaeckel, Bruno L.; Larsen, Hans R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition capable of retaining its flame resistant characteristics for prolonged periods is described which consists of a blend of low density polyethylene hexabromobiphenyl, antimony trioxide and a copolymer of ethylene and vinyl acetate. acrylic acid or ethyl acrylate.
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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
- 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.