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Expired Canadian patentCanada

Composition of methyl-3-(3' methylphenyl-carbamoyloxy) phenylcarbamate, stable in an aqueous emulsion

CA 1298099 C · Owner: Maccone, Sergio · Inventors: Maccone, Sergio

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Abstract From the Canadian patent

COMPOSITIONS OF METHYL-3-(3'METHYLPHENYL-CARBAMOYLOXY PHENYLCARBAMATE, STABLE IN AN AQUEOUS EMULSION (Case A.3594) Abstract of the Disclosure, Herbicidal compositions stable in aqueous emulsion, consisting essentially of 15-20% by weight of methyl-3-(3'methylphenyl-carbamoyloxy)phenylcarbamate isophorone in amount, sufficient to reach 100% 3 to 5% by weight of calcium dodecyl-, benzenesulphonate and 7-10% by weight of a phosphoric ester of a polyoxyethylated alkylarylphenol having the formula: (I), wherein, Y is -OH or X;, X is , wherein m = 1-40; R is , -CH2-C6H5, or a C4-C12 alkyl group n = 1-4;, Z i S , wherein R1 and R2, which may be the same or different are H or, -CH3;, p is 0 or 1; …

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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 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 15, 1987
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298099 C
Classification (IPC)A01N37/44 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedDec 15, 1987Patent grantedMarch 31, 1992Term endedMarch 31, 2009

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.