Soil-activating agent and its application
CA 1269858 C · Owner: Gebruder Friedrich Gmbh · Inventors: Nille, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A soil-activating agent for extreme soils for instance soils with, very little organic substances or none at all and/or high contents of salts and/or heavy metals, is characterized by the combination of a biomass of the mycehum fungus and the tertiary system nitrogen-base/sugar-type/ phosphoric-acid. This agent is characterized by an especially rapid and dense greening of extreme soils, in particular those with very little or no organic substances, and in that additional content of deleterious materials can be tolerated.
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 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- 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.