Manufacture of propylene oxide
CA 1108165 A · Owner: Basf Aktiengesellschaft · Inventors: Fouquet, Gerd; Baer, Karl; Merger, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
O.Z. 32,460, ABSTRACT OF THE DISCLOSURE: Propylene oxide is prepared by elimination of water from propylene glycol which in turn is obtainable from propylene glycol acetate. The water is eliminated in the gas phase over a solid catalyst which consists of a weakly acidic carrier and an alkaline additive. The process offers a new method of manufacturing propylene oxide.
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 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 1998.
- 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.