Bis(substituted phenyl)alkyltin compounds
CA 1164883 A · Owner: M & T Chemicals Inc. · Inventors: Gitlitz, Melvin H.; Russo, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Asymmetrically substituted triorganotin compounds of the general formula, or , wherein R1 is hydrocarbyl or -R2COOR3 where R2 s alkylene and R3 is hydrocarbyl, X is halogen hydroxyl, R4COO- where R4 is, hydrocarbyl -oR4, -SR4, -SR5COOR4 where R5 is alkylene , carbamate or dithiocarbamate;, Y is chlorine or bromine; Z is halogen, alkyl, trihalomethyl, alkoxy thioalkoxy, phenyl or methylsulfonyl;, a is O or 1 and A is oxygen or sulfur, are useful fungicides and exhibit little or no phytotoxicity.
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 April 3, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 3, 2001.
- 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.