Herbicidal compositions
CA 1189343 A · Owner: The Dow Chemical Company · Inventors: Van Horn, Roy L.; Lichy, Charles T.; Langley, Frederick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Novel herbicidal spray compositions containing (a) at least one brush-controlling herbicide (b) at least one glycol ether of the formula wherein R represents C1-C4 alkyl or phenyl each R1, independently represents hydrogen methyl or ethyl, and, n represents any one of the integers 1-10 inclusive and, (c) water. The emulsions are effective for the kill and control of brush upon basal, dormant stem or foliar application thereto. The emulsions may optionally contain a surfactant and up to about 25 percent by volume of a petroleum distillate oil such as diesel or fuel oil.
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 June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- 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.