Compositions and electrodes comprising organotin ionophores
CA 1312700 C · Owner: Moore, Christopher Peter · Inventors: Moore, Christopher Peter; Thomason, Derek Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Invention An ion-sensitive composition and an, ion-selective electrode is disclosed in which the ionophore is an organotin having the formula R?Sn(SR2)4-x, or, R?Sn(SR3-X-R3S)4-ySnR1 wherein, x is 0 or an integer from 1 to 3; y is 2 or 3;, each R1 independently is substituted or unsubstituted alkyl or substituted or unsubstituted aryl;, each R2 independently is substituted or unsubstituted alkyl. each R3 independently is substituted or unsubstituted alkylene; and, X is a single chemical bond or a linking group.
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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 January 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 12, 2010.
- 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.