Stabilized hydrogen peroxide solution
CA 1309569 C · Owner: Sills, M. Alicja · Inventors: Tsao, Fu-Pao; Sills, M. Alicja
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Stabilized hydrogen peroxide solution, Abstract of the Disclosure A stabilized hydrogen peroxide solution is disclosed comprising a firstand second stabilizer said first stabilizer being selected from a compound of the formula, wherein each of n m, p and q is independently 0-4, or from a physiologically compatible salt thereof, in an amount of from about 0.024 mmole to about 0.49 mmole/100 ml of solution; and said second peroxide stabilizer being selected from glycerin a water, soluble polyvinyl alcohol having a molecular weight of about 5,000 to about 150,000 and being at least 80 % hydrolyzed propylene glycol, polyacrylic acid having a molecular weight of about 2,000 to about 100,000, …
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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 November 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 2009.
- 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.