Substituted methylene dialanes
CA 1104147 A · Owner: Texas Alkyls, Inc. · Inventors: Fannin, Loyd W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel organoaluminum compounds having the formula XYAl (-?H-?l)nY, in which X is a halogen Y is an alkyl group, having from 1 to 10 carbon atoms a phenyl group or a halogen, R is an alkyl group having from 2 to 9 carbon atoms and n is, an integer from 1 to 20. These compounds are less viscous and more soluble in hydrocarbon solvents than are corresponding ethylene-based or butadiene-based compounds. The novel compounds are prepared by the reaction of alkylaluminum dihalides or aluminum trihalides with a terminal olefin having from 3 to 10 carbon atoms in the presence of aluminum metal. The compounds are useful as co-catalysts in two, three or other multi-component Ziegler catalysts for the …
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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 June 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
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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.