Carbamates
CA 1071226 A · Owner: Ciba-Geigy Ag · Inventors: Karrer, Friedrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New carbamates of the formula (I), are disclosed, wherein, R1 represents an alkyl group having 1 to 4 carbon atoms a, haloethyl group or an alkenyl group having 3 to 4 carbon atoms, each of R2 and R3 represents a hydrogen atom a methyl or, ethyl group, R4 represents a hydrogen atom or a methyl group or R3 and R4, if n is O, together represent the radical -CH2-CH2-CH2-CH2-, and, n is O, 1 or 2. These compounds are useful as pesticides especially for, the control of insects and pest of the order Acarina; they are also useful for regulating plant growth.
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 February 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 1997.
- 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.