Tuberculocidal synergistic disinfectant compositions and methods of disinfecting
CA 2229660 C · Owner: S. C. Johnson Commercial Markets, Inc. · Inventors: Merritt, Colleen M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aqueous cleaning and disinfecting composition is disclosed that is a synergistic combination of (a) a sufficient amount of a chlorine-containing bleach compound such as sodium hypochlorite or sodium dichloroisocyanurate to provide from about 1,100 parts per million by weight of available chlorine level with (b) from about 600 to 800 parts per million by weight of bactericidal quaternary ammonium compounds such as mixtures of didecyldimethylammonium chloride and (C12-C16alkyl)dimethylbenylammonium chlorides. Such compositions are tuberculocidal at unexpectedly low concentrations. Also disclosed are two component compositions and methods of disinfecting surfaces containing …
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
- Filed August 12, 1996 and granted February 20, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 12, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 12, 2018.
- 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.