Sterilant compositions
CA 1268112 C · Owner: Tell, Elaine N. · Inventors: Veltman, Preston L.; Tell, Elaine N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There are disclosed sterilant compositions having improved biocompatibility comprising a sterilant such as sodium chlorite, an acid such as citric acid and a buffer, such as sodium bicarbonate the compositions forming an, isotonic solution with pH of approximately 7.3. The compositions are particularly useful for cleansing and sterilizing kidney hemodialysis apparatus with minimal disruption of the protein layer which forms on the internal surface of the hollow fibers of a dialysis membrane when a patient is undergoing treatment with the apparatus thus establishing improved biocompatibility between patient and apparatus. The compositions are also useful in other areas of technology, such …
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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 April 24, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 24, 2007.
- 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.