Herbicides and fungicides containing activity promoting additives
CA 1329538 C · Owner: Akzo N.V. · Inventors: Hulshof, Willem Taede
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The activity of herbicide and fungicide compositions is enhanced by theincorporation therein of certain alkoxylated fatty amines amidoamines or, imidazolines. The alkoxylation of the amines is conducted with ethylene oxide and either propylene oxide or butylene oxide using a molar ratio of ethylene oxide to the other oxide in the range from 1:14 to 13:2 and to such extent that the molecular weight of the alkoxylated product is kept below 2500.
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 May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
- 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.