Hydroformylation catalyst and process
CA 1236077 A · Owner: Sun Refining And Marketing Company · Inventors: Hsu, Chao-Yang; Ellis, Paul E. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Olefins are hydroformylated with syngas in the presence of a novel organo metallic complex catalyst to form the corresponding aldehydes at high reaction rates and improved selectivity of linear aldehydes over branched aidehydes. The novel catalyst comprises an organo metallic complex formed from a mixture of:, (1) platinum (II) acetylacetonate; (2) a Group IVB metal halide; and, (3) a bidentate Lertiary ligand of the formula R1R2Q(CH2)mQR3R4; or, wherein Q is arsenic antimony, or phosphorus; and R1,R2,R3 and R4 are alkyl, alkoxyl, aryl, or aryloxyl groups and may be the same or different;, and m is an integer of from 3 to about 5; and n is an integer of from 2 to about 4. LS580B
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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, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
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Timeline
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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.