Process for hydrogenating conjugated diene polymers
CA 1329304 C · Owner: Kubo, Yoichiro · Inventors: Ohura, Kiyomori; Kubo, Yoichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of the Invention, PROCESS FOR HYDROGENATING CONJUGATED DIENE POLYMERS, Abstract of the Disclosure, A process for hydrogenating a conjugated diene polymer which comprises hydrogenating the carbon-carbon double bond of the conjugated diene polymer using a hydrogenation catalyst supported on a carrier the, carrier being an oxide of an element of Group IVa of the periodic table such as TiO2 or ZrO2.
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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 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.