Biochemical deactivation of rna viruses
CA 2116661 A1 · Owner: Wirth, Urs V. · Inventors: Wirth, Urs V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Biochemical deactivation of RNA-Viruses with agents R&D as anti-infectives. inventor and applicant: Dr. Urs V. Wirth; Sonnsyterain CH-6048 Horw, Switzerland. Priority date: 23rd June 1992 applied at BAGE in CH; PCT-application: 31st december 1992 at WIPO Biochemical Deactivation of, RNA-VIRUSES Abstract:, Ribonucleases (RNases) are highly active easily used and extremely stable enzymes. Together with detergents, RNases deactivate and destroy irreversibly RNA-viruses. Agents containing RNase(s) and detergents are therefore suitable for disinfecting instruments clothing and, surfaces from contaminating RNA-viruses. Special application forms for coating the skin surfaces of human beings, …
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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
- Filed December 31, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 31, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 2014.
- 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.