Microbiocidal combinations of materials and their use
CA 1329351 C · Owner: Mcfarlin, Richard F. · Inventors: Mcfarlin, Richard F.; Friedman, Lester A. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to microbiocidal combinations and processes for inhibiting the growth of microorganisms. The novel combinations and processes of the present invention show unexpected activity against microorganisms, including bacteria, fungi and algae. Specifically the combinations of materials which are to be added to a system at the time of their use comprise (i) an oxidant such as potassium monopersulfate sodium perborate, hydrogen peroxide or sodium percarbonate (ii) a microbiocide, such as 2,2-dibromo-3 -nitrilopropionamide methylene bis, thiocyanate, 5-chloro-2-methyl-4-isothiazolin-3-one/ 2-methyl-4-isothiazolin-3-one, tetrahydro-3,5-dimethyl …
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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 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 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.