Process for production of propylene homopolymers
CA 2600364 C · Owner: Kim, Sehyun · Inventors: Kim, Sehyun; Migone, Ruben A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing propylene homopolymers comprises producing a homopolymer in a reactor train having a first stage and a second stage wherein the first stage is normally used for homopolymer production and the second stage is normally used only in the production of copolymer blends and , is left idle during homopolymer production. According to the invention during , the production of propylene homopolymer the polymerization is carried out , sequentially in both the first stage and second stage reactors.
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
- Filed March 22, 2006 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.