Liquid sterilising composition
CA 1279875 C · Owner: Whiteley, Reginald Keith · Inventors: Whiteley, Reginald Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid sterilizing composition is described which comprises the reaction product obtained by reacting as nonionic surfactant containing from 4 to 12 moles of ethylene oxide per non-ionic molecule together with glutoraldehyde and triethylene glycol in a mole ratio of from 2.0 to 0.5 to 1.0 to 1.75 respectively from 20 to 30 minutes at ambient temperature and at a pH of from 4.0 to 5.5. The resulting composition provides anti-viral and general biocidal activity and a generally useful sterilant with reduction of hazards common to such liquid sterilizers.
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
- Granted February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
- 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.