Process for preparing bactericidal matrices
CA 2049291 A1 · Owner: Hygienico Limited · Inventors: Woollard, Trevor P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is described for preparing bactericidal matrices. The matrices can be moulded to form bactericidal articles. The bactericidal articles are suitable for fitting on over, in or, substituting common touch-related products such as door knobs and, telephone handsets. The matrices comprise a moulded composition of a plastics-type support matrix, such as Styrolux R an alkylated, diaminoalkane-type antibacterial agent such as, 1-alkylamino-3-aminopropane, and an organoarsenic-type antibacterial agent such as 10,10-oxybisphenoxarsine. The bactericidal matrices and articles display antibacterial and antibacteriostatic properties.
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 March 16, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 16, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 16, 2012.
- 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.