Biological degradation of chemicals bearing an oxydibenzene nucleus
CA 1297443 C · Owner: Olsen, Ronald H. · Inventors: Sawchuk, David Lee Michael; Olsen, Ronald H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bacterium has been isolated which is capable of degrading surfactants having an oxydibenzene nucleus such as, sodium dodecyl oxydibenzene disulfonate. Accordingly it may be, used in biological wastewater treatment plants to remove the surfactant. The preferred bacterium is Pseudomonas cepacia OLSA100.
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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.