Method for recovering water-soluble organotin halides from aqueous solutions
CA 1051445 A · Owner: M And T Chemicals Inc. · Inventors: Larkin, William A.; Bouchoux, Jean W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Certain organotin halides can be recovered in substantially quantitative yield from their aqueous solutions by adding a non-reactive highly soluble inorganic salt to partially or completely saturate the solution and then heating the resultant solution as required to effect a separation of the organotin halide from the aqueous phase. -i-
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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 March 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 1996.
- 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.