Microbicidal compositions containing a salt of pyrophosphorous acid
CA 1328979 C · Owner: Maier, Ludwig · Inventors: Maier, Ludwig
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microbcidal Composition Containing a Salt of Pyrophosphorous Acid, Abstract of the Disclosure The invention relates to salts of the pyrophosphorous acid of formula I, (I), wherein X? is a cation equivalent selected from the group consisting of sodium, potassium, lithium, beryllium magnesium, aluminium, zinc, manganese, copper and NH4 to the preparation, thereof and to novel compounds of formula I to the use of, compounds of formula I as microbicides and as seed dressing agents.
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 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 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.