A blood and organic stain remover
CA 2386742 A1 · Owner: Simpson, Joseph J. · Inventors: Simpson, Joseph J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a blood and organic stain remover which includes in a first embodiment a protease, an amylase an enzyme stabilizing system such as , a source of calcium an alcohol, and an alkanolamine, a nonionic detergent and water. In a second embodiment, the blood and organic stain remover includes a protease, an amylase, an enzyme stabilizing system a nonionic , detergent, an anionic detergent and water. In the second embodiment the enzyme stabilizing system preferably includes a petroleum distillate. A system of using the aqueous blood and organic stain remover composition in a prepackaged wipe which permits the user to remove blood and organic spots or to pre-spot blood …
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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 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 2021.
- 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.