Physiologically active agent for agricultural use
CA 1316699 C · Owner: Maekawa, Yoshio · Inventors: Mizuno, Hironori; Yagyu, Osamu; Yagi, Kaoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A physiologically active agent for agricultural use comprises, as the active ingredient, a mixture of 2piperidone and an N-acyl lactam compound represented by the general formula:, (wherein n is 1 or 2). This agent promotes the growth of plant roots, helps balance the microbial flora in the soil, and assures normal soil environment over long periods.
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 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.