Catalyst component for olefin polymerization
CA 1211427 A · Owner: Toa Nenryo Kogyo K.K. · Inventors: Imai, Masafumi; Ueno, Hiroshi; Inaba, Naomi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catalyst component for olefin polymerization which is prepared by contacting (A) a magnesium dihydrocarbonoxide, (B) a silicon compound having a hydrogen-silicon bond, and (C) a titanium compound and for alpha-olefln polymerization additionally comprising (D) an electron donor compound.
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 September 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 2003.
- 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.